[DOC] [TLE] Free Flashcards about ASTRONOMY - StudyStack [PAR] A 25-YEAR-LONG TELESCOPE SEARCH FOR IT ENDED WITH ITS 
DISCOVERY IN ... THIS AMERICAN DISCOVERED PLUTO IN 1930, CLYDE 
TOMBAUGH. [DOC] [TLE] New Horizons: NASA's Mission to Pluto and the Kuiper Belt [PAR] Feb 25, 2016 ... By Elizabeth Howell, Space.com Contributor | February 25, 2016 10:20pm ET ... 
The planet was discovered in 1930 by astronomer Clyde Tombaugh at the ... This 
is a montage of New Horizons images of Jupiter and its ... Ten years can be a 
long time in planetary science, and that is particularly true of Pluto. [DOC] [TLE] Pluto at Last | Space | Air & Space Magazine [PAR] Discovered in 1930 after a nearly year-long telescopic search by a young 
observatory ... Space Telescope and, for the first time, Pluto showed its face
though just barely. ... By the end of the 1990s the scientists had realized that what 
they were .... I can not find any confirmation that New Horizons has a 25 MP color 
camera. [DOC] [TLE] Pluto's strange moons don't know which end is up - CBS News [PAR] Jun 3, 2015 ... Hubble Space Telescope observations find several oddities: "Think of ... When it 
was discovered in 1930 by an astronomer from the United ... their long axes 
pointing toward the central body as they orbit their primary. ... the past several 
years found four additional moons: Styx, then Nix, Kerberos and Hydra. [DOC] [TLE] The Naked Eye Planets in the Night Sky (and how to identify them) [PAR] The planets can be distinguished from the stars because their position ... Even in 
the largest Earthbound telescopes, a star appears as little more than a point of 
light. ...... Pluto was discovered in 1930 by the then amateur astronomer Clyde ... 
USA , ending a 25-year-long search for what had become known as 'Planet X' - a
... [DOC] [TLE] The People's Planet: Reactions to the Discovery of Pluto [PAR] ILLUSTRATIONS. Title Page: Pluto and Charon (Hubble Space Telescope) ... 
hovers around 44 degrees Kelvin, its orbit is 247.7 Earth-years long, and it is ... 
Since the discovery of Pluto in the spring of 1930, people have recognized it as 
the ninth planet in .... hundred fifty year search for the last planet in our solar 
system. [DOC] [TLE] Edwin Hubble - Wikipedia [PAR] Edwin Powell Hubble (November 20, 1889  September 28, 1953) was an 
American ... Hubble's name is most widely recognized for the Hubble Space 
Telescope which ... After the end of World War I, Hubble spent a year in 
Cambridge, where he ... Supporters state that Hubble's discovery of nebulae 
outside of our galaxy... [DOC] [TLE] Solar System - Wikipedia [PAR] The Solar System is the gravitationally bound system comprising the Sun and the 
objects that .... The invention of the telescope led to the discovery of further 
planets and moons. .... as its substitute Sun, and, following the scale, Jupiter is a 
7.5-metre (25-foot) ..... Long-period comets have orbits lasting thousands of years
. [DOC] [TLE] Planets beyond Neptune - Wikipedia [PAR] Following the discovery of the planet Neptune in 1846, there was considerable 
speculation that another planet might exist beyond its orbit. The search began in 
the mid-19th century and culminated at the start of the .... When Pluto was 
discovered 19 years later, its mean distance of 39.48 AU and ..... Retrieved 2007-
03-25. [DOC] [TLE] Neptune - Wikipedia [PAR] Neptune is the eighth and farthest known planet from the Sun in the Solar System
. In the Solar System, it is the fourth-largest planet by diameter, the third-most-
massive planet, and the densest giant planet. Neptune is 17 times the mass of 
Earth and is slightly more massive than its .... Shortly after its discovery, Neptune 
was referred to simply as "the planet... [DOC] [TLE] Astronomers say a Neptune-sized planet lurks beyond Pluto - Science [PAR] Jan 20, 2016 ... Planet would orbit the sun once every 15000 years. ... The claim is the strongest 
yet in the centuries-

Question: A 25-year-long telescope search for it ended with its discovery in 1930
Answer: Pluto