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Atmosphere of Mercury - Wikipedia


Mercury has a very tenuous and highly variable atmosphere (surface-bound exosphere) containing hydrogen, helium, oxygen, sodium, calcium, potassium and ...

Mercury's Atmosphere - Space.com


Oct 17, 2016 ... Of all the planets in the solar system, Mercury has the thinnest atmosphere, thinner than even Mars. Several components are constantly ...

Atmosphere of Mercury - Universe Today


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 Fact Sheet - nssdc - NASA


Jul 13, 2016 ... Mercury/Earth Comparison ... Mercury, Earth, Ratio (Mercury/Earth). Mass (10<sup>24</sup> kg), 0.33011, 5.9724 ... Mercury Atmosphere (Exosphere).

What is Mercury's atmosphere made of? | Reference.com


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 ...

Mercury, Planet Mercury Information, Facts, News, Photos ... - Science


Rather than an atmosphere, Mercury possesses a thin exosphere made up of atoms blasted off its surface by solar wind and striking micrometeoroids. Because  ...

Does Mercury Have a Thin or Thick Atmosphere? | Education ...


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, ...

The Solar System and Outer Space: Mercury


As Mercury rotates slowly on its axis about once every 59 Earth days, it moves ... Mercury's atmosphere is very thin and is made of very small amounts of sodium ...

Mercury's Atmosphere


Jan 7, 2016 ... Mercury's Atmosphere. Mercury is too hot and too small to retain an atmosphere. ... A High-resolution Look over Mercury's Northern Horizon.

Mercury's atmosphere - The University of Arizona Press


The known gases in Mercury's atmosphere are H, He and O, discovered by the ... The atmosphere is technically an exosphere, but the gas-surface interac-.

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Thin Atmosphere of Mercury, Formation and Composition - Windows ...


Aug 11, 2010 ... Mercury's thin atmosphere contains hydrogen, helium, and oxygen. It also has smaller amounts of sodium, potassium, calcium, and magnesium ...

What is Mercury's atmosphere like? | - About Space


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 ...

Mercury - In Depth | Planets - NASA Solar System Exploration


Temperatures on Mercury's surface can reach 800 degrees Fahrenheit (430 degrees Celsius). Because the planet has no atmosphere to retain that heat, ...