Explore Mercury

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 ancient people were sometimes
frightened
by solar eclipses?
Did you know that the Roman god, Neptune, was not only the god of the sea, but also of earthquakes?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
SlickensidesxSlickensides : Slickensides are polished striated rock surfaces caused by one rock mass moving across another on a fault.
Click on the word to find out!
Research Highlights
Marine scientists long believed that a microbe called Trichodesmium, a member of a group called the cyanobacteria, reigned over the ocean's nitrogen budget. New research results reported on-line today...
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