亚洲91视频,国产91网,久久久久久久久久久久久久久国产,亚洲一区二区三区日本久久九,亚洲日本久久,国产精品久久久99,亚洲欧美一区二

left corner left corner
China Daily Website

Rare Venus transit draws astronomers worldwide

Updated: 2012-06-06 07:38
( Agencies)
Rare Venus transit draws astronomers worldwide

Handout image courtesy of NASA shows the planet Venus at the start of its transit of the Sun, June 5, 2012. One of the rarest astronomical events occurs on Tuesday and Wednesday when Venus passes directly between the sun and Earth, a transit that won't occur again until 2117. [Photo/Agencies]




Rare Venus transit draws astronomers worldwide

The planet Venus starts its transit across the sun as seen from Newcastle, Australia June 6, 2012. [Photo/Agencies]

Previous Page 1 2 3 4 Next Page

8.03K
...
...
...