Explore Mercury
![](/images/icons/mercury_interior.jpg)
Mercury, the innermost planet of the solar system, is a little bigger than the Earth's Moon. ...
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![](/images/icons/mercury_atmosphere.jpg)
Mercury has very little atmosphere. The planet's small size means that its gravity is too weak ...
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![](/images/icons/mercury_magnetosphere.jpg)
Mercury is the only terrestrial planet other than the Earth that has a significant magnetic ...
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![](/images/icons/mercury_poles.jpg)
If Uranus is the "tilted planet", Mercury might be called the "upright planet". The spin axis ...
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![](/images/icons/mercury_facts.jpg)
All of the relevant information about Mercury collected on one page, including details about size, orbit ...
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![](/images/icons/mercury_myth.jpg)
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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![](/images/icons/mercury_images.jpg)
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 the Sun will
eventually
evolve into a
red
dwarf star, and finally, a
white
dwarf star?
Did
you know that many cultures have had myths
about the Sun?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
S-wavexS-wave : An s-wave (for shear wave) is a seismic body wave that shakes the ground back and forth perpendicular to the direction the wave is moving
Click on the word to find out!
Research Highlights
Created in the first three minutes after the Big Bang, hydrogen and helium gave rise to all other elements in the universe. Stars made this possible. Through nuclear fusion, stars generated elements such...
Read more![](/olpa/images/starformation_small.jpg)