Tuesday, 25 July 2017

Large, Distant Comets More Common Than Previously Thought

Illustration shows how scientists used data from NASA's WISE spacecraft

NASA's WISE spacecraft, scanning the entire sky at infrared wavelengths, has delivered new insights about distant cometary wanderers.





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NASA’s Nancy Grace Roman Space Telescope Completed

Over the course of several hours, technicians meticulously connected the inner and outer segments of NASA’s Nancy Grace Roman Space Tel...