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3 giorni fa · A simple chart for classifying the main star types using Harvard classification. In astronomy, stellar classification is the classification of stars based on their spectral characteristics.
1 giorno fa · For a list of the brightest stars seen from Earth, see the list of brightest stars. There are three stars with over 1 million L☉ and visible to the naked eye: WR 22, WR 24 and Eta Carinae. All of these stars are located in the Carina nebula .
2 giorni fa · Stellarium Web is a planetarium running in your web browser. It shows a realistic star map, just like what you see with the naked eye, binoculars or a telescope.
1 giorno fa · Below are lists of the largest stars currently known, ordered by radius and separated into categories by galaxy. The unit of measurement used is the radius of the Sun (approximately 695,700 km; 432,300 mi ). [1] The Sun, the orbit of Earth, Jupiter, and Neptune, compared to four stars.
2 giorni fa · Draw an imaginary line southward from the pointer stars in the Big Dipper – the two outer stars in the Dipper’s bowl – to point toward Leo the Lion. The brightest star in Leo is Regulus.
1 giorno fa · An online sky map to identify constellations and major stars and planets easy to see with the naked eye.
2 giorni fa · Un jeune poète anglais de 23 ans, John Keats, et sa voisine Fanny Brawne entament une liaison amoureuse secrète. Pourtant, les premiers contacts sont assez froids. Lui, trouve la jeune fille trop effrontée, et elle-même n'est pas du tout impressionnée par la littérature.
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