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From a bar in the clouds to finding more water from the Moon, outer space is constantly surprising us. The post 24 Astronomy Facts You Never Learned in School appeared first on Reader's Digest.
A-type star In the Harvard spectral classification system, a class of main-sequence star having spectra dominated by Balmer absorption lines of hydrogen. Stars of spectral class A are typically blue-white or white in color, measure between 1.4 and 2.1 times the mass of the Sun, and have surface temperatures of 7,600–10,000 kelvin.
Astrophysics is the branch of astronomy that employs the principles of physics and chemistry "to ascertain the nature of the astronomical objects, rather than their positions or motions in space". [ 74 ] [ 75 ] Among the objects studied are the Sun , other stars , galaxies , extrasolar planets , the interstellar medium and the cosmic microwave ...
The post 20 Cool Facts About Space We Bet You Didn’t Know appeared first on Reader's Digest. Who knows, one day you might be able to actually visit! The post 20 Cool Facts About Space We Bet You ...
50 Surprising Facts From “Today I Learned” That Show How Little We Actually Know (New Facts) ... adds 6 miles (9.65 km) of new shelf space a year, and receives over 8000 new publications daily ...
Lists of space scientists; Lists of spacecraft This page was last edited on 18 February 2025, at 07:24 (UTC). Text is available under the Creative Commons ...
Portal:Astronomy/Did you know/1 ... that 12th-century Muslim scientist Al-Khazini, who proposed a theory of gravitation long before Isaac Newton, was, in his early life, a slave of the Seljuq Turks?... that Kepler-47c is a circumbinary planet orbiting in the habitable zone of Kepler-47, a binary star system?
Before 2006, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto were considered as planets. Below is a partial list of these mnemonics: "Men Very Easily Make Jugs Serve Useful Needs, Perhaps" – The structure of this sentence, which is current in the 1950s, suggests that it may have originated before Pluto's discovery.