Explore Solar System Discoveries
![](/images/icons/systemdiscovery_mercury.jpg)
Mercury's orbit is so close to the Sun that it is difficult to see from the ground. This explains ...
Read more
![](/images/icons/systemdiscovery_venus.jpg)
Venus is one of the brightest objects in the sky, so it is clearly visible to the naked eye. ...
Read more
![](/images/icons/systemdiscovery_mars.jpg)
Mars is much like Venus-- it's very bright and therefore easily spotted in the night sky. ...
Read more
![](/images/icons/systemdiscovery_jupiter.jpg)
Jupiter is the largest planet in our solar system. It is also one of the brighter objects ...
Read more
![](/images/icons/systemdiscovery_saturn.jpg)
Like the inner planets and Jupiter, Saturn is clearly visible in the night sky. The ancient ...
Read more
![](/images/icons/systemdiscovery_uranus.jpg)
Astronomer William Herschel is credited with the discovery of Uranus in 1781. He was using ...
Read more
![](/images/icons/systemdiscovery_neptune.jpg)
If you had a quiz question in school that asked what year Neptune was discovered, you'd probably ...
Read more
![](/images/icons/systemdiscovery_pluto.gif)
After the discovery of Neptune in 1846, mathematics suggested that there still might be a ...
Read more
![](/images/icons/systemdiscovery_ceres.jpg)
Ceres is the largest asteroid in the main asteroid belt. It was classified as a "dwarf ...
Read more
![](/images/icons/systemdiscovery_haumea.jpg)
Haumea is a dwarf planet in our Solar System. Haumea is officially the fifth dwarf planet. ...
Read more
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 what Pluto, Ceres, Haumea, Makemake, and Eris have in common?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
SeichexSeiche : A standing wave in an enclosed or partially enclosed body of water. Seiches and seiche-related phenomena have been observed on lakes, reservoirs, swimming pools, bays, and seas. The key requirement for formation of a seiche is that the body of water
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 based...
Read more![](/olpa/images/plastic_small.jpg)