Explore Mercury
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Mercury, the innermost planet of the solar system, is a little bigger than the Earth's Moon. ...
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Mercury has very little atmosphere. The planet's small size means that its gravity is too weak ...
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Mercury is the only terrestrial planet other than the Earth that has a significant magnetic ...
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If Uranus is the "tilted planet", Mercury might be called the "upright planet". The spin axis ...
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All of the relevant information about Mercury collected on one page, including details about size, orbit ...
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Here are two stories about Mercury, one of the gods in the Roman pantheon. Mercury was identified ...
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A table containing information about the spacecraft that have visited Mercury ...
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Access wonderful captioned photos and illustrations that will inspire and excite you. ...
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These are links to other great web sites about Mercury. But beware: you don't want to get ...
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Did you know?
Did you know that
black holes have such high
gravitational pull that not even
light can escape? Find out more about other
strange stuff in space!
What are dip-slip and transform faults? Find out more on our geologic fault page!
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
AesthenospherexAesthenosphere : The asthenosphere is the ductile part of the earth just below the lithosphere, including the lower mantle.
Click on the word to find out!
Research Highlights
Geologists have found evidence that sea ice extended to the equator 716.5 million years ago, bringing new precision to a "snowball Earth" event long suspected to have taken place around that time. Funded...
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