Clementime changed how we think about the Moon

Clementime changed how we think about the Moon

[ad_1] Clementine observes the Moon, solar corona, and Venus in 1994. In this picture the Moon is seen illuminated solely by light reflected from the Earth — Earthshine! The bright glow on the lunar horizon is caused by light from the solar corona; the sun is just...
NASA Selects a Sample Return Mission to Venus

NASA Selects a Sample Return Mission to Venus

[ad_1] In Dante Alighieri’s epic poem The Divine Comedy, the famous words “Abandon all hope, ye who enter here” adorn the gates of hell. Interestingly enough, Dante’s vision of hell is an apt description of what conditions are like on Venus. With an average...
Will we ever figure out how to defy gravity?

Will we ever figure out how to defy gravity?

[ad_1] The gravitational force is by far the weakest of the four forces of nature. It’s simple to defy gravity: just lift something in the air. But the annoying thing about gravity is that it’s both persistent and has an infinite range, which takes a surprising amount...