Mercury has a very tenuous and highly variable atmosphere (surface-bound
exosphere) containing hydrogen, helium, oxygen, sodium, calcium, potassium
Oct 17, 2016 ... Of all the planets in the solar system, Mercury has the thinnest atmosphere,
thinner than even Mars. Several components are constantly ...
Aug 11, 2010 ... Mercury's thin atmosphere contains hydrogen, helium, and oxygen. It also has
smaller amounts of sodium, potassium, calcium, and magnesium ...
Dec 10, 2014 ... Asked by Lana Freedman. Mercury's atmosphere is incredibly thin. With a mass
of about 5.5 per cent that of the Earth this planet has a far ...
When you look at an image of Mercury, it looks like a dry, airless world. But you
might be surprised to know that Mercury does have an atmosphere. Not the.
Mercury has an extremely thin atmosphere which is made up of atoms blasted off
its surface by the Solar wind, a constant stream of particles coming from the ...
Mercury's atmosphere is primarily made up of oxygen, potassium, sodium, helium
and hydrogen. The atmosphere on Mercury is made up of atoms that are ...
Temperatures on Mercury's surface can reach 800 degrees Fahrenheit (430
degrees ... Because the planet has no atmosphere to retain that heat, nighttime ...
Because Mercury is so small and so close to the sun, it has a hard time attracting
an atmosphere, but it does have one. Its atmosphere is so thin, though, ...
Mercury, Earth, Ratio (Mercury/Earth). Mass (10<sup>24</sup> kg), 0.33011, 5.9724, 0.0553
... Helium (He) (The atmosphere of Mercury is a surface bounded exosphere, ...