mei 052012
 
Hubble to Use Moon as Mirror to See Venus Transit

  This mottled landscape showing the impact crater Tycho is among the most violent-looking places on our moon. Astronomers didn’t aim NASA’s Hubble Space Telescope to study Tycho, however. The image was taken in preparation to observe the transit of Venus across the sun’s face on June 5-6.   This mottled landscape showing the impact [continue reading]