Weekly Spacecraft Mission News (English, German) – 20.06.19

Front Page / Titelseite

New Website Replays Apollo 11 First Moon Landing Mission in Real Time

With a single click, a new website can take you back 50 years and place you directly into the real-time action of the first moon landing mission.

read more … http://bit.ly/2ZtaQl9

via Space.com http://bit.ly/2WPkkGi

NASA’s Mars 2020 Rover

The Mast Is Raised for NASA’s Mars 2020 Rover

Engineers at JPL take a group selfie after attaching the remote sensing mast to the Mars 2020 rover.

read more … https://go.nasa.gov/2IQFZs1

via Latest News – NASA’s Mars Exploration Program https://go.nasa.gov/2gRBMK4

NASA’s 2020 Mars Rover Gets Its 1st Wheels, and a Mast, Too (Ahoy!)

Engineers have installed the headlike mast on the Mars 2020 rover and put on a (temporary) set of wheels as well.

read more … http://bit.ly/2KThc9t

via Space.com http://bit.ly/2WPkkGi

You Can Watch NASA’s Build Its Mars 2020 Rover Live Online

NASA is letting the world watch its next Mars rover come together.

read more … http://bit.ly/2WHde6k

via Space.com http://bit.ly/2WPkkGi

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Weekly Spacecraft Mission News (English, German) – 13.06.19

Front Page / Titelseite

Hayabusa2 dropped a Target Marker on Asteroid Ryugu / Raumsonde Hayabusa 2 setzte einen zweiten Zielmarker auf dem Asteroiden Ryugu ab

Low descent observation operation (PPTD-TM1B) | Topics

The low descent observation operation (PPTD-TM1B) will be conducted between June 11 – 13. As we successfully dropped a target marker in area CO1 during the PPTD-TM1A operation that was performed between May 28 – 30, a target marker will not be dropped during PPTD-TM1B, but observations will be taken near the artificial crater. Preparations for the descent began on June 11 and the descent will begin on June 12 at 11:40 JST (on-board time) with the spacecraft descending at a speed of 0.4m/s. The speed will be reduced to 0.1 m/s at 22:00 JST on the same day. The spacecraft will read an altitude of about 35m on June 13 at 10:34 JST and then begin to ascend from 10:57 JST. The schedule of the operation is shown in Figure 1. Please be aware that the actual operation time may differ as the times shown are the planned values.

read more … http://bit.ly/2WCt7Q9

via JAXA Hayabusa2 project http://bit.ly/1YxOt7C

Treasure Hunting With Hayabusa2

IN THE EARLY hours of 22 February, light was just beginning to brighten the campus of JAXA’s Institute of Space and Astronautical Sciences (ISAS) in Kanagawa, Japan. It should have been a quiet time, but the Hayabusa2 control room was packed with people. We were about to land on an asteroid.

read more … http://bit.ly/2F048LS

via Planetary Society Blog http://bit.ly/QRHOCj

Japan’s Hayabusa2 spacecraft grabs epic close-up just 30 feet above asteroid

The Japanese asteroid-hunter had another photo opportunity when it dropped a target marker on asteroid Ryugu.

read more … https://cnet.co/2QOIQ8F

via CNET https://www.cnet.com

Hayabusa2 probe’s new target marker on asteroid only 3 meters off its mark

A target marker released by Japan’s Hayabusa2 space probe in late May to guide its landing onto the asteroid Ryugu fell just 3 meters away from the spot the probe was aiming for, the Japan Aerospace Exploration Agency (JAXA) said on June 11.

read more … http://bit.ly/2WqZBrz

via The Mainichi https://mainichi.jp

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Weekly Spacecraft Mission News (English, German) – 06.06.2019

Front Page / Titelseite

Mars – NASA InSight

Robotic arm will raise the support structure and help the Mole hammer

new plan to support the German Aerospace Center (DLR) Mars ‘Mole’ that is part of NASA’s InSight mission. The Heat Flow and Physical Properties Package (HP3) Mole is a self-driving penetrator that has hammered itself into the Martian subsurface to a depth of approximately 30 centimetres.

read more … http://bit.ly/2WKAFzr

via DLR Portal – News http://bit.ly/2SP1Nvl

Common Questions about InSight’s ‚Mole‘ – NASA’s InSight Mars Lander

There’s a new plan to get InSight’s „mole“ moving again. The following Q&As with two members of the team answer some of the most common questions about the burrowing device, part of a science instrument called the Heat Flow and Physical Properties Package (HP3).

read more … https://go.nasa.gov/2HYA0T4

via NASA’s InSight Mars Lander https://mars.nasa.gov

InSight’s Team Tries New Strategy to Help the ‚Mole‘

Scientists and engineers have a new plan for getting NASA InSight’s heat probe, also known as the „mole,“ digging again on Mars. Part of an instrument called the Heat Flow and Physical Properties Package (HP3), the mole is a self-hammering spike designed to dig as much as 16 feet (5 meters) below the surface and record temperature.

read more … https://go.nasa.gov/2KCybgn

via NASA/JPL https://go.nasa.gov/2iDfIyD

Robotischer Arm soll Gehäuse anheben und Maulwurf beim Hämmern helfen

Es gibt einen neuen Plan, um den Marsmaulwurf des Deutschen Zentrums für Luft- und Raumfahrt (DLR) auf der NASA-Mission InSight zu unterstützen. Der Maulwurf HP3 ist eine Art selbstschlagender Nagel, der bisher etwa 30 Zentimeter tief in den Marsboden vorgedrungen ist.

read more … http://bit.ly/2WHIENX

via DLR Portal – News-Archiv Raumfahrt https://www.dlr.de/dlr/

So soll der Mars-Maulwurf doch noch buddeln

Seit Ende Februar steht ein Experiment deutscher Forscher auf dem Mars still: Beim Versuch, sich ins Gestein zu hämmern, war es zu Problemen gekommen. Nun gibt es eine Strategie, wie es doch noch klappen soll.

read more … https://www.spiegel.de/wissenschaft/weltall/hp3-auf-insight-mars-maulwurf-soll-doch-noch-buddeln-a-1271066.html

Mars

The radiation showstopper for Mars exploration

An astronaut on a mission to Mars could receive radiation doses up to 700 times higher than on our planet – a major showstopper for the safe exploration of our Solar System. A team of European experts is working with ESA to protect the health of future crews on their way to the Moon and beyond.

read more … http://bit.ly/2wxwHvi

via European Space Agency

A European mission control for the martian rover

The ExoMars rover has a brand new control centre in one of Europe’s largest Mars yards. The Rover Operations Control Centre (ROCC) was inaugurated today in Turin, Italy, ahead of the rover’s exploration adventure on the Red Planet in 2021.

read more … http://bit.ly/2MevKmh

via ESA Space Science http://bit.ly/1urjQU2

ESA Prepares for ExoMars Rover 2020 Launch at Mars and on Earth

Preparations for the ExoMars rover mission are in their final stages. ESA made two announcements today: ExoMars Trace Gas Orbiter is shifting orbit, and they officially opened a new Rover Operations Control Centre (ROCC) in Turin, Italy.

read more … http://bit.ly/2WyiDjZ

via Planetary Society Blog http://bit.ly/QRHOCj

China’s First Mars Spacecraft Undergoing Integration for 2020 Launch

China remains on schedule to ready its first independent mission to Mars in time for a short launch window in mid-2020, according to a leading space official.

read more … http://bit.ly/2MArH3Q

via Space.com http://bit.ly/2WPkkGi

NASA Still Aiming for 2020 First Launch of Space Launch System Megarocket

NASA believes it is still possible to perform the first launch of the Space Launch System before the end of 2020.

read more … http://bit.ly/2JSPgmC

via Space.com http://bit.ly/2WPkkGi

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Mars im Goldenen Tor der Ekliptik am 06.04.19

Nach Tagen der Bewölkung hatte ich endlich freien Blick auf den Mars, wie er das Goldene Tor der Ekliptik durchschreitet. Ich hatte darüber ja in meiner Monatsvorschau zum April berichtet. Hier sei noch kurz die Konstellation vom Abend dargestellt:

Abbildung von Sky Safari 6 Plus
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Spacecraft Mission News (English, German) – 04.04.19

Front Page / Titelseite

Title picture: Giuranna et al. (2019)

Mars Express matches methane spike measured by Curiosity

A reanalysis of data collected by ESA’s Mars Express during the first 20 months of NASA’s Curiosity mission found one case of correlated methane detection, the first time an in-situ measurement has been independently confirmed from orbit.

read more … https://ift.tt/2U8qT9T

via ESA Science & Technology http://sci.esa.int

There Is Definitely Methane on Mars, Scientists Say. But Is It a Sign of Life?

We may be one step closer to cracking the Mars methane mystery.

read more … https://ift.tt/2WCLa4e

via Space.com https://ift.tt/2CqOJ61

All-Female Spacewalk Was Cancelled on ‚My Recommendation,‘ Astronaut Anne McClain Says

Astronaut Anne McClain is defending NASA’s decision to scrap the first all-female spacewalk over a lack of appropriately sized spacesuits.

read more … https://ift.tt/2OE0E5a

via Space.com https://ift.tt/2CqOJ61

NASA Won’t Have 2 Medium-Size Spacesuits Ready Any Time Soon Despite Criticism

NASA isn’t planning to change the International Space Station’s current spacesuit configuration, which drew criticism after size constraints stymied the first spacewalk of all female astronauts.

read more … https://ift.tt/2WESX1p

via Space.com https://ift.tt/2CqOJ61

Spacesuit Sizing Stymied a Historic NASA Moment, and It May Always Be Tricky

t’s spacewalk season this spring at the International Space Station, and that means astronauts are relying on highly engineered, difficult-to-fit suits to stay safe in the vacuum of space.

read more … https://ift.tt/2HX28aq

via Space.com https://ift.tt/2CqOJ61

These Simulations Reveal What Happened During India’s Anti-Satellite Missile Test (Videos)

A U.S. space and defense software company created two new simulation videos, revealing how the anti-satellite weapon recently launched by India might have looked hitting a satellite in space.

read more … https://ift.tt/2FW6vjM

via Space.com https://ift.tt/2CqOJ61

The Lunar South Pole Is a Rich Target for NASA’s 2024 Moon Goal

Pence’s five-year lunar challenge targets the moon’s south pole, an area rich in water and science.

read more … https://ift.tt/2Us0iUC

via Space.com https://ift.tt/2CqOJ61

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Spacecraft Mission News (English, German) – 27.03.19

Front Page / Titelseite

Title picture: NASA/GSFC/Arizona State University

NASA Moon Orbiter Tracks Chinese Rover on Lunar Farside (Photos)

NASA’s Lunar Reconnaissance Orbiter continues to monitor the whereabouts and wanderings of China’s Yutu 2 rover on the moon’s far side.

read more … https://ift.tt/2Opz8Zd

via Space.com https://ift.tt/2CqOJ61

US to Return Astronauts to the Moon by 2024, VP Pence Says

U.S. Vice President Mike Pence called on NASA to return American astronauts to the moon by 2024 — just five years from now — during the National Space Council meeting on Tuesday

read more … https://ift.tt/2USbpTP

via Space.com https://ift.tt/2CqOJ61

NASA Chief Vows Quick Action to Return Astronauts to the Moon by 2024

NASA’s chief says the agency is all set to meet a new challenge — returning humans to land on the moon within the next five years.

read more … https://ift.tt/2U1uQNF

via Space.com https://ift.tt/2CqOJ61

US-Astronauten sollen binnen fünf Jahren zum Mond

Die US-Regierung setzt klare Ziele für die Raumfahrt, um Konkurrenten wie China abzuhängen. Die Raumfahrtagentur Nasa steht unter Druck.

read more … https://ift.tt/2uEvhhX

via tagesspiegel.de: News https://ift.tt/2nKKOZo

US Is in a New Space Race with China and Russia, VP Pence Says

The United States‘ goal of putting astronauts on the moon by 2024 is motivated at least in part by a desire to defeat Russia and China, Vice President Mike Pence said.

read more … https://ift.tt/2UhbRhl

via Space.com https://ift.tt/2CqOJ61

Kein passendes Oberteil: Erster ISS-Außeneinsatz nur mit Frauen abgesagt

Auf der ISS kann ein Raumanzug in passender Größe nicht rechtzeitig vorbereitet werden. Damit scheitert der erste gemeinsame Außeneinsatz zweier Astronautinnen.

read more … https://ift.tt/2Yq5Can

via heise online News https://www.heise.de/

Fehlende Raumanzüge: Nasa sagt ISS-Außeneinsatz nur mit Astronautinnen vorerst ab

Am Freitag hätte es auf der ISS eine Premiere geben sollen: einen Außeneinsatz nur mit Astronautinnen. Doch daraus wird erst einmal nichts – es gab Probleme mit den Größen der Raumanzüge.

read more … https://ift.tt/2HTUOvl

via SPIEGEL ONLINE – Nachrichten http://www.spiegel.de

Astronauts Won’t Make the 1st All Female Spacewalk After All, NASA Says

The first all-female spacewalk in history won’t be happening this week after all due to a last-minute crew swap, NASA announced today

read more … https://ift.tt/2UVddvl

via Space.com https://ift.tt/2CqOJ61

1st All-Female Spacewalk Scrapped Over Safety Concerns, Not Sexism

Two NASA astronauts were on the verge of making history this week by becoming the first women to take a spacewalk unaccompanied by men. Here’s why NASA canceled that milestone.

read more … https://ift.tt/2UYT2fV

via Space.com https://ift.tt/2CqOJ61

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Spacecraft Mission News (English, German) – 21.03.19

Front Page / Titelseite

Title picture: NASA / JHU-APL / SwRI

2014 MU69 – Ultima Thule

Die erste tiefere Wissenschaft zu 2014 MU69

Zumindest das New-Horizons-Team hat keine Zweifel, dass der 35 km lange 2014 MU69 ein Contact Binary aus der Urzeit des Sonnensystems ist, dessen beide Hälften auf einer Spiralbahn sanft zueinander gefunden haben und dann verschmolzen sind. Dass keine heftige Kollision stattgefunden habe, erkenne man am Fehlen von Stress-Brüchen und ähnlichen Zeugnissen

read more … https://ift.tt/2Y4a6mR

via Skyweek Zwei Punkt Null https://ift.tt/1KhhcLh

Kuipergürtel: New Horizons entdeckt Alkohol auf Ultima Thule

Auf der Oberfläche des Kuipergürtelobjekts Ultima Thule wies die Raumsonde New Horizons neben Wasser auch Methanol nach. Erste Detailergebnisse über dieses seltsame Objekt wurden jetzt auf der »Lunar & Planetary Science Conference« in Houston, Texas, präsentiert.

read more … https://ift.tt/2HvWUCb

via Wissenschaft

Was ist… Ultima Thule?

Am 1. Januar 2019 flog die NASA – Raumsonde New Horizons an Ultima Thule vorbei. Doch was ist Ultima Thule eigentlich? Und warum ist das Objekt eigentlich interessant?

read more … https://ift.tt/2U4yRAg

via Baking Science Traveller

New Results Probe the Origin of „Ultimate Thule“ – Sky & Telescope

It’s been 2½ months since NASA’s piano-size New Horizons zipped past a tiny target in the Kuiper Belt in the first hours of New Year’s Day. That body, designated 2014 MU69 and nicknamed „Ultima Thule“ by mission scientists, wasn’t even discovered until 8½ years after the spacecraft’s launch. Since the flyby, enough observations have trickled back to Earth to start to piece together this object’s remarkable story — and this week those first chapters are being presented at the annual Lunar and Planetary Science Conference.

read more … https://ift.tt/2W4QrBa

via Sky & Telescope

NASA’s New Horizons Reveals Geologic ‚Frankenstein‘ That Formed Ultima Thule

Less than three months after the New Horizons spacecraft zoomed past a distant, cold space rock, scientists are beginning to piece together the story of how that object, nicknamed Ultima Thule, came to be.

read more … https://ift.tt/2OdRjke

via Space.com https://ift.tt/2CqOJ61

Watching A Large Impactor From Orbit

A video showing the smoke trail from the #Meteor over the Bering Strait last December, produced using data from @JMA_kishou’s #Himawari satellite.The orange meteor trail in the middle, shadow above-left.

read more … https://ift.tt/2TlmNG1

via NASA Watch http://nasawatch.com/

Sneaky Meteor Evades Earthling Detection, Explodes with Force of 10 Atomic Bombs

On Dec. 18, 2018, a school bus-size meteor exploded over Earth with an impact energy of roughly 10 atomic bombs. But no one saw it.

read more … https://ift.tt/2HFsZqp

via Space.com https://ift.tt/2CqOJ61

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Spacecraft Mission News (English, German) – 14.03.19

Front Page / Titelseite

Where We Are

Emily Lakdawalla introduces an at-a-glance spacecraft locator to The Planetary Report.
read more … https://ift.tt/2VTnAzK
via Planetary Society Blog https://ift.tt/QRHOCj

Methan auf Mars muss kein Hinweis auf Leben sein

Als der im Sommer 2012 im Rahmen der Nasa-Mission „Mars Science Laboratory“ im Gale-Krater abgesetzte Rover Curiosity Ausbrüche des Gases Methan registrierte, und mehr noch, als die Messungen mit dem Laser-Spektrometer an Bord des Robotfahrzeugs jahreszeitliche Schwankungen des Methan-Anteils in der dünnen Mars-Atmosphäre zeigten, gerieten die Forscher auf der Erde in Aufregung. Denn auf der Erde deutet so etwas zumeist auf biologische Aktivität…
read more … https://ift.tt/2SVNlOe
via Astronomie.de – Der große Feed mit allen News https://ift.tt/2hhCviI

Amidst Cuts to NASA, Mars Sample Return May Finally Happen

The President’s Budget Request for NASA in 2020 would start a Mars Sample Return mission and ramp up efforts to send humans to the Moon. But it would still kick off the first year of a new decade with a half-billion dollar cut to the space agency.
read more … https://ift.tt/2TseVHM
via Planetary Society Blog https://ift.tt/QRHOCj

SwRI-led LAMP instrument sheds light on lunar water movement

Using the Southwest Research Institute-led Lyman Alpha Mapping Project (LAMP) aboard NASA’s Lunar Reconnaissance Orbiter (LRO), scientists have observed water molecules moving around the dayside of the Moon. A paper published in Geophysical Research Letters describes how LAMP measurements of the sparse layer of molecules temporarily stuck to the surface helped characterize lunar hydration changes over the course of a day. Up until the last decade or so, scientists thought the Moon was arid, with any water existing mainly as pockets of ice in permanently shaded craters near the poles. More recently, scientists have identified surface water in sparse populations of molecules bound to the lunar soil, or regolith. The amount and locations vary based on the time of day. This water is more common at higher latitudes and tends to hop around as the surface heats up.
read more … https://ift.tt/2H9aP0I
via Southwest Research Institute https://www.swri.org

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Spacecraft Mission News (English, German) – 07.03.19

Front Page / Titelseite

NASA InSight Lander: hammering hole / hämmert Loch in den Marsboden

NASA’s InSight Mars lander got stuck between a rock in a hard place

Hammer time appears to be over. NASA’s InSight lander, which is currently the rover in charge on the Red Planet, has hit its first snag. The lander has been snapping pics and exploring Mars since Nov. 26, 2018, and successfully set its heat probe onto the planet’s dusty surface on Feb. 12.

read more … https://ift.tt/2J8veoH

via CNET https://www.cnet.com

Mars-Sonde Insight: Bohrinstrument HP³ stößt auf Widerstand – vorerst Pause

Das deutsche Bohrinstrument HP³ ist auf dem Weg in den Marsboden auf ein unerwartetes Hindernis gestoßen. Jetzt wollen die Forscher das erst einmal prüfen.

read more … https://ift.tt/2EFy0w4

via heise online https://www.heise.de

Good luck ‘Mole’ – DLR’s HP3 experiment starts hammering into the Martian soil

On 28 February 2019, the German Aerospace Center (DLR) ‘Mole’ fully automatically hammered its way into the Martian subsurface for the first time. In a first step, it penetrated to a depth between 18 and 50 centimetres into the Martian soil with 4000 hammer blows over a period of four hours. „On its way into the depths, the mole seems to have hit a stone, tilted about 15 degrees and pushed it aside or passed it,“ reports Tilman Spohn, Principal Investigator of the HP3 experiment.

read more … https://ift.tt/2

Spacecraft Mission News (English, German) is out. Special feature for the #NASA Mission @NASAInSight on #Mars. 

Spacecraft Mission News (English, German) is out. Special feature for the #NASA Mission @NASAInSight on #Mars. 

NEh8tB

via DLR Portal – News https://ift.tt/2XcaI9s

InSight: Mars-Maulwurf hämmert sich in den Marsboden

Mit dem NASA-Lander InSight ist auch eine kleine, vom DLR entwickelte Rammsonde zum Mars gelangt, die sich bis zu fünf Meter in den Untergrund des Roten Planeten graben soll, um hier Temperaturmessungen vorzunehmen. In der vergangenen Woche hat sie ihre Arbeit aufgenommen und sich mit 4000 Hammerschlägen schon ein wenig in den Untergrund gegraben.

read more … https://ift.tt/2XDXySW

via astronews.com – Aktuelle Meldungen – Raumfahrt https://ift.tt/2NsXcK3

InSight mission: the Mars ‘Mole’ takes a break

As part of NASA’s InSight mission, the German Aerospace Center (DLR) developed a penetrometer designed to dig three to five metres below the surface of Mars and measure the heat emanating from the planet’s interior.

read more … https://ift.tt/2H0xIDE

via DLR Portal – News https://ift.tt/2XcaI9s

Mission InSight: Pause für den Marsmaulwurf

Das Deutsche Zentrum für Luft- und Raumfahrt (DLR) hat im Rahmen der NASA-Mission InSight eine Rammsonde entwickelt, um drei bis fünf Meter unter die Oberfläche des Mars zu graben und dort die Wärme aus dem Inneren des Roten Planeten zu messen.

read more … https://ift.tt/2Uhxjj3

via DLR Portal – News-Archiv Raumfahrt https://www.dlr.de/dlr/

Further News in Chapter “NASA’s Insight Mars Lander” /
Weitere Nachrichten hierzu im Kapitel “NASA’s Insight Mars Lander”

SpaceX‘s Crew Dragon Demo to ISS / Testflug der Crew Dragon zur ISS

SpaceX-Kapsel erreicht ISS: Der Drache hat angedockt

Die Raumkapsel „Crew Dragon“ des Unternehmens SpaceX hat erfolgreich die Raumstation ISS erreicht. Die USA versprechen sich von der geglückten Mission ein neues Kapitel in der Raumfahrt.

read more … https://ift.tt/2IPJX7I

via SPIEGEL ONLINE – Nachrichten http://www.spiegel.de

Testflug erfolgreich: Private Raumkapsel „Crew Dragon“ erreicht die ISS

Die Nasa sieht in der Firma SpaceX den Nachfolger für die Space-Shuttles, um die Abhängigkeit von Russland zu beenden. Der Testflug mit einer Puppe gelang.

read more … https://ift.tt/2XBYTcI

via heise online News https://www.heise.de/

SpaceX Crew Dragon Successfully Docks to Station

After making 18 orbits of Earth since its launch early Saturday morning, the Crew Dragon spacecraft successfully attached to the International Space Station’s Harmony module forward port via “soft capture” at 5:51 a.m. EST while the station was traveling more than 250 miles over the Pacific Ocean, just north of New Zealand.

read more … https://ift.tt/2ErmZ1m

via Space Station https://ift.tt/1YeiiOv

Crew Dragon Successfully Docks to International Space Station

Docking occurred slightly ahead of schedule at 5:51 EST

read more … https://ift.tt/2TeSvd9

via Planetary Society Blog https://ift.tt/QRHOCj

Further News in Chapter “International Spacestation (ISS)” /
Weitere Nachrichten hierzu im Kapitel “International Spacestation (ISS)”

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Spacecraft Mission News (English, German) – 21.02.19

Front Page / Titelseite

ESA plans mission to smallest asteroid ever visited

ESA’s planet-defending Hera mission will set a new record in space. The asteroid investigator will not only be the first spacecraft to explore a binary asteroid system – the Didymos pair – but the smaller of these two worldlets, comparable in size to Egypt’s Great Pyramid of Giza, will become the smallest asteroid ever visited.

read more … http://bit.ly

via ESA Operations http://bit.ly/1Canxo4

What to expect when Hayabusa2 collects a sample from Ryugu

More than 4 years after launch and a half year surveying asteroid Ryugu, Japan’s Hayabusa2 spacecraft is ready for sample collection.

read more … http://bit.ly/2ttC5hu

via Planetary Society Blog http://bit.ly/QRHOCj

Earth’s atmosphere stretches out to the Moon – and beyond

A recent discovery based on observations by the ESA/NASA Solar and Heliospheric Observatory, SOHO, shows that the gaseous layer that wraps around Earth reaches up to 630 000 km away, or 50 times the diameter of our planet

read more … https://ift.tt/2GRvwNP

via ESA Science & Technology http://sci.esa.int

Hubble helps uncover origin of Neptune’s smallest moon Hippocamp

Astronomers using the NASA/ESA Hubble Space Telescope, along with older data from the Voyager 2 probe, have revealed more about the origin of Neptune’s smallest moon. The moon, which was discovered in 2013 and has now received the official name Hippocamp, is believed to be a fragment of its larger neighbour Proteus.

read more … https://ift.tt/2T8qMtF

via ESA Science & Technology http://sci.esa.int

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