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Planet -

Planet -. Planet - “a body in orbit around a star.” http://messenger.jhuapl.edu/gallery/sciencePhotos/pics/c1000_700_430.png http://antwrp.gsfc.nasa.gov/apod/image/0801/mercury_messengerJan22.png. Planet - “a body in orbit around a star.” Star (Solar System) -.

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Planet -

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  1. Planet -

  2. Planet - “a body in orbit around a star.”http://messenger.jhuapl.edu/gallery/sciencePhotos/pics/c1000_700_430.pnghttp://antwrp.gsfc.nasa.gov/apod/image/0801/mercury_messengerJan22.png

  3. Planet - “a body in orbit around a star.” • Star (Solar System) -

  4. Planet - “a body in orbit around a star.” • Star (Solar System) - A massive, gaseous body held together by gravity and generally emitting light. Stars generate energy by nuclear reactions in their interiors.http://antwrp.gsfc.nasa.gov/apod/image/0608/planets_iau_big.jpg

  5. Planet - “a body in orbit around a star.” • Star (Solar System) - A massive, gaseous body held together by gravity and generally emitting light. Stars generate energy by nuclear reactions in their interiors. • Galaxy -

  6. Planet - “a body in orbit around a star.” • Star (Solar System) - A massive, gaseous body held together by gravity and generally emitting light. Stars generate energy by nuclear reactions in their interiors. • Galaxy - A massive system of stars, gas, and dark matter held together by their mutual gravity. Typically contain 100-200 billion stars.

  7. Planet - “a body in orbit around a star.” • Star (Solar System) - A massive, gaseous body held together by gravity and generally emitting light. Stars generate energy by nuclear reactions in their interiors. • Galaxy - A massive system of stars, gas, and dark matter held together by their mutual gravity. Typically contain 100-200 billion stars. • Galaxy Group -

  8. Planet - “a body in orbit around a star.” • Star (Solar System) - A massive, gaseous body held together by gravity and generally emitting light. Stars generate energy by nuclear reactions in their interiors. • Galaxy - A massive system of stars, gas, and dark matter held together by their mutual gravity. Typically contain 100-200 billion stars. • Galaxy Group - a set of from two to several dozen galaxies held together by their mutual gravitational attraction. The Milky Way belongs to the Local Group.

  9. Planet - “a body in orbit around a star.” • Star (Solar System) - A massive, gaseous body held together by gravity and generally emitting light. Stars generate energy by nuclear reactions in their interiors. • Galaxy - A massive system of stars, gas, and dark matter held together by their mutual gravity. Typically contain 100-200 billion stars. • Galaxy Group - a set of from two to several dozen galaxies held together by their mutual gravitational attraction. The Milky Way belongs to the Local Group. • Galaxy Cluster -

  10. Planet - “a body in orbit around a star.” • Star (Solar System) - A massive, gaseous body held together by gravity and generally emitting light. Stars generate energy by nuclear reactions in their interiors. • Galaxy - A massive system of stars, gas, and dark matter held together by their mutual gravity. Typically contain 100-200 billion stars. • Galaxy Group - a set of from two to several dozen galaxies held together by their mutual gravitational attraction. The Milky Way belongs to the Local Group. • Galaxy Cluster - a set of hundreds or thousands of galaxies held together by their mutual gravitational attraction. The Milky Way lies on the outskirts of the Virgo cluster.

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