exosphere
MESSENGER Saw a Meteoroid Strike Mercury
Telescopes have captured meteoroids hitting the Moon and several spacecraft imaged Comet Shoemaker–Levy 9 smacking into Jupiter in 1994. But…
What is the Average Surface Temperature of Mercury?
Because of its extremely eccentric orbit, slow rotation, and lack of an atmosphere, Mercury experiences extreme variations in surface temperature.
How High is Space?
Where our atmosphere ends and space begins has been the subject of debate for some time. But thanks to decades…
What Is The Atmosphere Like On Other Planets?
The Solar System's planets have varied and interesting atmospheres, ranging from incredibly thin exospheres to ones that could literally crush…
Saturn’s “Wispy” Moon Has An Oxygen Atmosphere
[/caption] There's oxygen around Dione, a research team led by scientists at New Mexico's Los Alamos National Laboratory announced on…
Atmosphere Layers
[/caption] Seen from space, the Earth's atmosphere is incredibly thin, like a slight haze around the planet. But the atmosphere…