Smallest Planet in Our Solar System

The tiny planet-not-planet that could: Pluto was discovered 95 years ago today

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short life of what was, for a single human lifetime, the solar system's smallest planet. Pluto was discovered in 1930 by Clyde Tombaugh, an American astronomer at the Lowell Observatory in Flagstaff.

Yahoo · 20h

Pluto was discovered 95 years ago. Where you can view the non-planet in Michigan

Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's observatories.

AOL · 1d

The short, uneventful life of Pluto as a planet

Here's what to know about the short life of what was, for a single human lifetime, the solar system's smallest planet. Pluto was discovered in 1930 by Clyde Tombaugh, an American astronomer at the Lowell Observatory in Flagstaff,

Scientific American19d

How Many Planets Are in the Solar System?

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

studyfinds4d

Evidence of ancient frozen ocean found on dwarf planet Ceres

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

IFLScience23d

System Of Three Dead Stars Has Suspected Smallest Exoplanet Ever Found

Astronomers have found evidence for what might be a planet with about half the mass ... massive planet we have ever detected outside our Solar System. The pulsar and the objects that orbit ...

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