Scientists have long been known that Mercury and the Earth have metallic cores. Like Earth, Mercury’s outer core is composed of liquid metal, but there have only been hints that Mercury’s innermost core is solid. Now, in a new study, scientists from NASA’s Goddard Space Flight Center in Greenbelt, Maryland have found evidence that Mercury’s ..
Goddard Space Flight Center: GK, Current Affairs, Questions, Trivia and News
James Webb Space Telescope (JWST) is a planned (to be launched in 2018) space telescope optimized for observations in the infrared. It is the formal successor to the Hubble Space Telescope and the Spitzer Space Telescope. It has been in planning since 1996 and represents a collaboration of about 17 countries led by NASA, and ..