Planetary news 05-2/ 行星新資訊 05-2
Credit: NASA/Swift/DSS/D. Bodewits (UMD)
Collisions caused comet-like behaviors in asteroids. 隕擊造成小行星的短暫類彗星現象。
http://www.nasa.gov/topics/universe/features/asteroid-collision.html
Credit: NASA/JPL-Caltech
Asteroid 2005 YU55 to Approach Earth on November 8, 2011. 小行星，大接近。
http://neo.jpl.nasa.gov/news/news171.html
月球行星組
頁:
[1]