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  2. Pluto - Wikipedia

    en.wikipedia.org/wiki/Pluto

    Pluto was discovered in 1930 by ... It looks star-like and without a visible ... from Earth. [190] Images from the Hubble Space Telescope in 1996 cover 85% of Pluto ...

  3. Exploration of Pluto - Wikipedia

    en.wikipedia.org/wiki/Exploration_of_Pluto

    On 20 March 2015, NASA invited the general public to suggest names for surface features that will be discovered on Pluto and Charon. [26] On 15 April 2015, Pluto was imaged showing a possible polar cap. [27] Between April and June 2015, New Horizons began returning images of Pluto that exceeded the quality that the Hubble Space Telescope could ...

  4. Clyde Tombaugh - Wikipedia

    en.wikipedia.org/wiki/Clyde_Tombaugh

    He discovered Pluto in 1930, the first object to be discovered in what would later be identified as the Kuiper belt. At the time of discovery, Pluto was considered the ninth planet, but was reclassified as a dwarf planet in 2006. Tombaugh also discovered many asteroids, and called for the serious scientific research of unidentified flying objects.

  5. Timeline of discovery of Solar System planets and their moons

    en.wikipedia.org/wiki/Timeline_of_discovery_of...

    Earth: 3rd Planet: Earth is the third planet from the Sun and the subject of historical misconception for centuries. [4] [5] Earth was never formally 'discovered' because it was never an unrecognized entity by humans. However, its shared identity with other bodies as a "planet" is a historically recent discovery.

  6. NASA releases stunning new 'Earth-like' images of Pluto - AOL

    www.aol.com/news/2015-09-21-nasa-releases...

    This new view of Pluto's crescent stunningly highlights the dwarf planet's varied terrains, extended atmosphere and familiar Arctic look. NASA releases stunning new 'Earth-like' images of Pluto ...

  7. New Horizons captures its first color images of Pluto

    www.aol.com/article/2015/04/15/new-horizons...

    NASA's New Horizons probe has returned the first color images of Pluto. The small blurry dots in the newly-released photo are Pluto and Charon, the largest of Pluto's moons. New Horizons captured ...

  8. New Horizons spacecraft captures first images of Pluto moons

    www.aol.com/article/2015/02/19/new-horizons...

    NASA launched the New Horizon spacecraft in 2006 to learn more about the icy dwarf planet Pluto. Here are some of the first photos from that mission, taken from between 125 and 115 million miles away.

  9. Blink comparator - Wikipedia

    en.wikipedia.org/wiki/Blink_comparator

    This blink comparator at Lowell Observatory was used in the discovery of Pluto in 1930. A blink comparator is a viewing apparatus formerly used by astronomers to find differences between two photographs of the night sky. It permits rapid switching from viewing one photograph to viewing the other, "blinking" back and forth between the two images ...