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Pluto is no longer a planet because it is one object of many in the Kuiper Belt. Planet requirements are: it has to be in orbit around the sun, have gravity to pull itself in a spherical shape and "cleared the neighborhood" of its orbit.

Pluto is no longer a planet because it is one object of many in the Kuiper Belt. Planet requirements are: it has to be in orbit around the sun, have gravity to pull itself in a spherical shape and "cleared the neighborhood" of its orbit.

Part III - 9GAG

Part III

Part III - 9GAG

The Cosmos by David Fuhrer, via Behance

The Cosmos by David Fuhrer, via Behance

If other planets were in the place of the moon.

If planets were in the place of the moon…

If other planets were in the place of the moon.

facts about pluto planet | Interesting Facts About Pluto | Dear Astronomer | Bringing space back ...

facts about pluto planet | Interesting Facts About Pluto | Dear Astronomer | Bringing space back ...

The Cosmos by David Fuhrer, via Behance

The Cosmos by David Fuhrer, via Behance

facts about pluto planet | 10 Interesting Solar System Facts | Fact File

facts about pluto planet | 10 Interesting Solar System Facts | Fact File

Bahamas

Bahamas

The eclipses.   Just did this in science today.  XD

The eclipses

The eclipses. Just did this in science today. XD

Moon boat, rizing at the top of the Mount Fuji, Japan

Moon boat, rizing at the top of the Mount Fuji, Japan

infographics 黒がきれい #ミツコ

infographics 黒がきれい #ミツコ

new planets in the solar system? - Google Search

new planets in the solar system? - Google Search

Let There Be Light

Let There Be Light

13 Must See Stargazing Events in 2013

13 Must See Stargazing Events in 2013

One galaxy out of an estimated 200 billion.  There are around 300 billion stars in the Milky Way, with an untold number of planets.  #nature #space

One galaxy out of an estimated 200 billion. There are around 300 billion stars in the Milky Way, with an untold number of planets. #nature #space