Wednesday, February 5 First Quarter Moon occurs at 3:02 A.M. EST. Nearly half a day later, the Moon passes 5° north of Uranus ...
The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...
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