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 Egyptian hieroglyphics remained a mystery until around 1800? It wasn't until then that the
Rosetta Stone helped crack the code!
Did
you know that the Sun
rotates faster at its poles than it does at its equator?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Spreading ridgexSpreading ridge : An oceanic spreading ridge is the fracture zone along the ocean bottom where molten mantle material comes to the surface, thus creating new crust.
Click on the word to find out!
Research Highlights
A magnitude-8.1 earthquake and tsunami that killed 192 people last year in Samoa, American Samoa and Tonga was in fact a triple-whammy. The 8.1 "great earthquake" concealed and triggered two...
Read more![](/olpa/images/tonga_quake_small.jpg)