A Full Moon, a Bold Mars and a New Comet Brighten January’s Skies
On Monday night you may have a chance to witness the moon obscuring the Red Planet at its brightest, as well as a comet’s ...
The University of Chicago Chronicle3 年
How the Earth and moon formed, explained
Scientists believe the moon formed during a giant impact about 60-175 million years after the solar system was born. To arrive at this estimate, they can use rocks from Earth. As large planetesimals ...
来自MSN1 个月
What this chaotic moon tells us about the universe
No moon in our solar system is likely ... These squeezes warm up the interior of Io, creating so much heat that its insides are literally melting and popping out. This is an extreme case of ...
Labroots28 天
Moon's True Age May Be Masked by Ancient Tidal Remelting
“Because this heating event was global ... along with ascertaining that the Moon was formed between 4.43 and 4.53 billion years ago. For context, the approximate age of the Earth is 4.54 billion years ...