Infrared View of NGC 4993, Host Galaxy to a Neutron Star Merger
NASAs Spitzer Space Telescope has provisionally detected the faint afterglow of the explosive merger of two neutron stars in the galaxy NGC 4993. The event, labeled GW170817, was initially detected nearly simultaneously in gravitational waves and gamma rays, but subsequent observations by many dozens of telescopes have monitored…
NASA Delays Launch of $8.8 Billion James Webb Space Telescope to 2019
The successor to NASA’s famed Hubble Space Telescope won’t get off the ground next year after all.NASA has pushed the planned launch of the $8.8 billion James Webb Space Telescope from October 2018 to the spring of 2019, citing spacecraft-integration issues.