Glass Planet!
Ryder Lee posted...
There's a planet where it rains glass, sideways! Let me introduce you to “HD 189733b”,
a planet that definitely appears as a stunningly attractive one, but it’s probably the
last place that you’d ever want to visit in the universe, really. HD 189773b is slightly
larger than Jupiter in our solar system, and is located about 63 million light years away
from Earth. The planet gets its deep, beautiful azure color from the planet’s strange
atmosphere which is actually made up mostly of silicate atoms and particles. The wind
speeds on the planet can actually reach as high as 5,400 miles per hour, which is actually
around 2 kilometers per second (or over seven times faster than the speed of sound).
Temperatures can also reach way over 900 degrees Celcius on the planet. But I’ll explain
what’s so horrid and frightening about this planet: the planet literally rain glass
sideways with its unbearably fast winds. If this exact storm were somehow to occur at
the equator on Earth, it would travel all the way around the Earth in just a mere five and a
half hours.
...and Ancient Moon!
Earth's moon doesn't have much of an atmosphere today. However, it may have had a more
prominent atmosphere 3 billion to 4 billion years ago, when volcanic eruptions spewed
giant clouds of gas above the lunar surface, a new study has found. Today's moon is
covered in dead volcanoes and dark maria, or plains that consist of hardened lava.
The lunar atmosphere is so thin it's not even technically an atmosphere — instead,
it's considered an "exosphere," with molecules that are gravitationally bound to the
moon but are too sparse to behave like a gas. A new study from scientists at NASA's
Marshall Space Flight Center in Huntsville, Alabama, and the Lunar and Planetary
Institute (LPI) in Houston suggests that the moon's ancient volcanoes produced a
temporary atmosphere that lingered for 70 million years before dissipating into
space.
https://www.space.com/38383-ancient-moo ... 171006-sdc
https://www.space.com/27203-living-on-t ... aphic.html
Ancient Moon!
- Wade Hampton III
- Posts: 2339
- Joined: Fri Oct 18, 2013 10:40 pm
- Location: Pontiac, SC
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