[DOC] [TLE] Clyde Tombaugh: Astronomer Who Discovered Pluto - Space.com [PAR] Feb 15, 2013 ... Clyde Tombaugh, discoverer of Pluto, peers into an instrument. ... Not long after 
its discovery in 1781, the new planet Uranus was found to have ... 18, 1930, 
Tombaugh noticed movement across the field of a pair of images... [DOC] [TLE] This date in science: Clyde Tombaugh, discoverer of Pluto - EarthSky [PAR] Feb 4, 2016 ... He was a farm boy who loved astronomy and ultimately discovered Pluto. ... of 
American astronomer Clyde W. Tombaugh, who discovered the planet Pluto. ... 
He discovered Pluto a year later, on February 18, 1930. ... Very soon after the 
discovery of Pluto, astronomers realized is too tiny to have caused the... [DOC] [TLE] This Month in Physics History - American Physical Society [PAR] March 13, 1930: Clyde Tombaugh's discovery of Pluto announced. ... Though 
exciting, the planet was tiny, just a dot on the photograph, and some astronomers
... [DOC] [TLE] Pluto discovered - Feb 18, 1930 - HISTORY.com [PAR] On February 18, 1930, Tombaugh discovered the tiny, distant planet by use of a 
new ... After its discovery, some astronomers questioned whether Pluto had... [DOC] [TLE] Clyde Tombaugh - Wikipedia [PAR] Clyde William Tombaugh was an American astronomer. He discovered .... The 
discovery was made on Tuesday, February 18, 1930, using images ... That's a 
helluva lot more interesting than the ninth planet."... [DOC] [TLE] Clyde Tombaugh - Kansapedia - Kansas Historical Society [PAR] Tombaugh was a self-taught amateur astronomer who made his own ... Little did 
he know that the three-month trial period would turn into 13 years at the Lowell ... 
on March 13, 1930, the discovery of the ninth planet was officially announced. [DOC] [TLE] Articles about Clyde Tombaugh - tribunedigital-chicagotribune [PAR] In 1930 Pluto was discovered by American astronomer Clyde Tombaugh. ... 
some astronomers who argue that even tiny Pluto would not be called a planet 
were... [DOC] [TLE] How a 'Farm Boy' Found Pluto 85 Years Ago | Popular Science [PAR] Jul 13, 2015 ... In the June 1930 issue of Popular Science, we wrote about what was the most 
important finding in astronomy in nearly a hundred years: a frigid little world, 
bathed in the dim ... Kansas named Clyde Tombaugh discovered Pluto on 
February 19, 1930. ... Clyde Tombaugh, discoverer of the dwarf planet Pluto. [DOC] [TLE] Clyde Tombaugh | American astronomer | Britannica.com [PAR] Oct 3, 2016 ... American astronomer who discovered Pluto in 1930 after a systematic search for 
a ninth planet instigated by the predictions of other... [DOC] [TLE] Why is Pluto no longer a planet? (Everyday Mysteries: Fun Science ... [PAR] The International Astronomical Union (IAU) downgraded the status of Pluto to that 
of a ... Arizona, by astronomer Clyde W. Tombaugh, with contributions from 
William H. Pickering. ... On February 18, 1930, after nearly a year of searching, 
Tombaugh discovered a ... The case for Pluto: how a little planet made a big 
difference. [DOC] [TLE] Many New Planets Found | TIME For Kids [PAR] May 11, 2016 ... Spotting new planets is not very common in our solar system. ... sun was in 1930, 
when astronomer Clyde Tombaugh discovered Pluto. ... Kepler has searched for 
planets by looking closely at 150,000 stars, which is just a tiny... [DOC] [TLE] 80 Years of Pluto - New Horizons - The Johns Hopkins University ... [PAR] Lowell was obsessed with the notion of a "trans-Neptunian" planet, which he 
believed ... 1930, Tombaugh finally found what he was looking for: a tiny spot of 
light ... In February 1930, American astronomer Clyde Tombaugh discovered our
... [DOC] [TLE] Why Pluto is No Longer a Planet - Universe Today [PAR] Oct 16, 2016 ... Pluto was first discovered in 1930 by Clyde W. Tombaugh at the ... Astronomers 
had long predicted that there would be a ninth planet in ... Pluto is tiny, but it was 
considered larger than anything else past the orbit of Neptune. [DOC] [TLE] Clyde Tombaugh Interview -- Academy of Achievement

Question: Astronomer Clyde Tombaugh discovered this tiny planet in 1930
Answer: Pluto