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?
Do you know
Kepler’s three laws of planetary motion?
Do you know how far away the Oort cloud is?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Subduction zonexSubduction zone : Subduction is the process of the oceanic lithosphere colliding with and descending beneath the continental lithosphere.
Click on the word to find out!
Research Highlights
The sun goes through cycles that last approximately 11 years. These solar cycle include phases with more magnetic activity, sunspots, and solar flares. They also include phases with less activity. The...
Read more![](/olpa/images/solar_cycle_small.jpg)