Venus Is Hot Stuff
Astronomy / Solar System
At first glance, if Earth had a twin, it would be Venus. The two planets are similar in size, mass, composition, and distance from the Sun. But there the similarities end. Venus has no ocean. Venus is continue reading this fact
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How Far Are The Seven Sisters?
Astronomy / Observations
The Pleiades cluster, named by the ancient Greeks, is easily seen as a small grouping of stars lying near the shoulder of Taurus, the Bull, in the winter sky. Although it might be expected that the di continue reading this fact
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What is Dark Energy?
Astronomy / Cosmology
Because he originally thought the Universe was static, Einstein conjectured that even the emptiest possible space, devoid of matter and radiation, might still have a dark energy, which he called a 'Co continue reading this fact
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