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 our Solar System has a new
dwarf planet? Astronomers have officially categorized
Haumea as a dwarf planet.
Did you know that there may be 200 or so dwarf planets in the solar system, out to the Kuiper Belt?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
AaxAa : Hawaiian name for a type of lava flow with a surface that is broken into rough angular fragments which develop during cooling and loss of gas from pahoehoe flows.
Click on the word to find out!
Research Highlights
Scientists have learned that microbes that live in the soil, like fungi and bacteria, don't produce more carbon dioxide when the climate is warmer. At first these microbes will produce more carbon dioxide,...
Read more![](/olpa/images/soilfungi_small.jpg)