Why is the Moon exactly the same apparent size from Earth as the Sun? Surely this cannot be just coincidence; the odds ...
Every time I see the moon in the sky, it makes me happy. Our natural satellite is so familiar it’s easy to take it for ...
As of Friday, July 3, NASA's Daily Moon Guide tracker tells us the Moon phase is in its Waning Gibbous phase, with 90% of its ...
The Moon is not the only natural object travelling through space alongside Earth. Several small asteroids travel around the Sun in near lockstep with our planet ...
One of the oldest unsolved riddles in planetary science concerns the origin of the moon. Over a century ago, George Darwin proposed that tidal and centrifugal forces on a rapidly rotating proto-Earth ...
Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around Earth. Unlike the Earth's moon, quasi-moons are not gravitationally bound ...
From Mars, Earth transits the Sun four times in a 284-year cycle. The transits occur in either May or November at intervals of 100.5, 79, 25.5, and 79 years. During these events, Earth and the Moon ...
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