Happy International Year of Astronomy! Capitalizing on the fact that 2009 marks the 400th anniversary of Galileo’s earliest telescopic forays into the night sky, the International Astronomical Union ...
Observing the phases of Venus helped Galileo conclude that planets in our solar system orbit the sun, not the Earth. Credit: Creators.com illustration Ask your friends and neighbors, and most will ...
On 3 June at 13:42 UT, after 207 days of flight, 43 orbits around Venus and many test activities, Venus Express has formally completed its commissioning phase and has entered the routine science phase ...
Early morning risers who head out to work and school before sunrise are likely beginning to notice an extremely bright star-like object appearing low in the eastern sky just before the sun itself.