Outer Web | Explore

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Click through on any links that interest you or select the planets on the right to continue exploring the Outer Web.

You are here		science.nasa.gov Pluto & Dwarf Planets
\|	\|	www.livescience.com What are dwarf planets, and how many are there? \| Live Science	0.9 parsecs away Travel
\|	\|	How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between five and 18, plus hundreds of potentially undiscovered ones, depending on whom you ask.	0.9 parsecs away Travel
\|	\|	theconversation.com What is a dwarf planet? \| Space	0.5 parsecs away Travel
\|	\|	In 2006, and after much debate, the International Astronomical Union came up with a new definition for a planet. And for the first time, the term "dwarf planet" was used.	0.5 parsecs away Travel
\|	\|	www.space.com Think you know our solar system's dwarf planets? Test your skills with our new quiz! \| Space	0.5 parsecs away Travel
\|	\|	Pluto isn't the only dwarf planet residing in our solar system. Try your hand at naming the others in our quiz!	0.5 parsecs away Travel
\|	\|	www.leonarddavid.com Could we actually terraform Mars? Scientists are trying to find out \| Space	5.5 parsecs away Travel
\|		Scientists have drawn up a research blueprint for assessing the viability of warming the Red Planet, outlining what it might take to make Mars a place in space where Earth life can thrive.	5.5 parsecs away Travel