Explore Mercury

Mercury, the innermost planet of the solar system, is a little bigger than the Earth's Moon. ...
Read more

Mercury has very little atmosphere. The planet's small size means that its gravity is too weak ...
Read more

Mercury is the only terrestrial planet other than the Earth that has a significant magnetic ...
Read more

If Uranus is the "tilted planet", Mercury might be called the "upright planet". The spin axis ...
Read more

All of the relevant information about Mercury collected on one page, including details about size, orbit ...
Read more

Here are two stories about Mercury, one of the gods in the Roman pantheon. Mercury was identified ...
Read more

A table containing information about the spacecraft that have visited Mercury ...
Read more

Access wonderful captioned photos and illustrations that will inspire and excite you. ...
Read more

These are links to other great web sites about Mercury. But beware: you don't want to get ...
Read more
Did you know?
Did you know that the
Earth’s
magnetic field protects us from radiation from space?
Do you know what Newton's theory has to do with apples?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
MohoxMoho : The boundary between the crust and the mantle in the earth. This is a depth where seismic waves change velocity and there is also a change in chemical composition. Also termed the Mohorovicic' discontinuity after the Croatian seismologist Andrija Moh
Click on the word to find out!
Research Highlights
Researchers working in South Africa have discovered two remarkably well-preserved fossil skeletons of an ancient human ancestor dating to almost two million years ago. The discovery is described in two...
Read more