Explore Solar System Discoveries
![](/images/icons/systemdiscovery_mercury.jpg)
Mercury's orbit is so close to the Sun that it is hard to see from the ground. This is why ...
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![](/images/icons/systemdiscovery_venus.jpg)
Venus is one of the brightest objects in the sky. It is always found near the Sun. It rises ...
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![](/images/icons/systemdiscovery_mars.jpg)
Mars is a bright, red object in the sky. It is very easy to see, which means that even people ...
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![](/images/icons/systemdiscovery_jupiter.jpg)
Jupiter is the biggest planet in our solar system! It's also very bright in the sky. We don't ...
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![](/images/icons/systemdiscovery_saturn.jpg)
Saturn is the second largest planet in our solar system. It is also very bright in the sky. ...
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![](/images/icons/systemdiscovery_uranus.jpg)
Uranus was discovered in 1781 by William Herschel. He argued with his friends over its name. ...
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![](/images/icons/systemdiscovery_neptune.jpg)
Neptune was discovered in 1846. But it wasn't discovered using a telescope. Scientists used ...
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![](/images/icons/systemdiscovery_pluto.gif)
The ninth planet in our solar system is Pluto. It was discovered in 1930 by Clyde Tombaugh. ...
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![](/images/icons/systemdiscovery_ceres.jpg)
Ceres is the largest asteroid in the main asteroid belt. It was classified as a "dwarf ...
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![](/images/icons/systemdiscovery_haumea.jpg)
Haumea is a dwarf planet in our Solar System. Haumea is officially the fifth dwarf planet. ...
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More about Solar System Discoveries
Did you know?
Did you know that the physics of a spinning dancer and the
formation of the solar system have something in common?
Do you know the difference between meteors, meteoroids, and meteorites?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
RiparianxRiparian : The bank of a river or other body of water; may include the floodplains
Click on the word to find out!
Research Highlights
A team of researchers from the Sea Education Association (SEA), Woods Hole Oceanographic Institution (WHOI), and the University of Hawaii (UH) has conducted a study of plastic debris in the ocean. Certain...
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