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By comparing his observations with optical astronomical maps, Jansky eventually concluded that the radiation source peaked when his antenna was aimed at the densest part of the Milky Way in the constellation of Sagittarius. Jansky announced his discovery at a meeting in Washington, D.C., in April 1933 and the field of radio astronomy was born.
The Origin of the Milky Way is a painting by the Italian late Renaissance master Jacopo Tintoretto, in the National Gallery, London, formerly in the Orleans Collection. It is an oil painting on canvas, and dates from ca.1575–1580. According to myth, the infant Heracles was brought to Hera by his half-sister Athena, who later played an ...
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Hubble Deep Field. Coordinates: 12 h 36 m 49.4 s, +62° 12′ 58″. The Hubble Deep Field. The Hubble Deep Field ( HDF) is an image of a small region in the constellation Ursa Major, constructed from a series of observations by the Hubble Space Telescope. It covers an area about 2.6 arcminutes on a side, about one 24-millionth of the whole sky ...
Nationals Park. / 38.87278°N 77.00750°W / 38.87278; -77.00750. Nationals Park is a baseball stadium along the Anacostia River in the Navy Yard neighborhood of Washington, D.C. It is the ballpark of Major League Baseball 's Washington Nationals.
Harlow Shapley (November 2, 1885 – October 20, 1972) was an American scientist, head of the Harvard College Observatory (1921–1952), and political activist during the latter New Deal and Fair Deal. [1] [2] Shapley used Cepheid variable stars to estimate the size of the Milky Way Galaxy and the Sun's position within it. [3]
Cartwheel Galaxy. The Cartwheel Galaxy (also known as ESO 350-40 or PGC 2248) is a lenticular ring galaxy about 500 million light-years away in the constellation Sculptor. [1] It has a D 25 isophotal diameter of 44.23 kiloparsecs (144,300 light-years), and a mass of about 2.9–4.8 × 109 solar masses; its outer ring has a circular velocity of ...