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Astronomy on MSN
How often does Earth transit the Sun for an observer on Mars?
If I were on Mars, how often would I see Earth transit the Sun? Steven RiserConyers, Georgia From Mars, Earth transits the Sun four times in a 284-year cycle. The transits occur in either May or ...
TwistedSifter on MSN
Analysis of 2500-year-old Chinese records offers new insights concerning the location of Earth, the Moon, and the Sun thousands of years ago
What a remarkable update to our ancient understanding of our place in the solar system.
Earth has just acquired a new best friend in space – a small asteroid named 2025 PN7. Not quite a moon, it has been moving in quiet company with our planet for decades, pacing our planet in nearly ...
"Anywhere from four to seven times a year, our Earth, Moon and Sun line up just right to create the cosmic-scale shadow show ...
Astronomers have spotted a quasi-moon near Earth — and the small space rock has likely been hanging out near our planet unseen by telescopes for about 60 years, according to new research.Related video ...
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