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Hace 22 horas · The star marking true north is a good deal heavier than we thought. The North Star is 5.1 times as massive as the sun, astronomers report in work submitted July 12 to arXiv.org.That value ...
Hace 22 horas · 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.
Hace 3 días · The North Star, or Polaris, is a star that resides approximately 433 light-years away in the constellation Ursa Minor. What sets it apart from other stars is its unique position – almost directly above the North Pole. As a result, it remains stationary throughout the night while other stars appear to move in circular paths around it.
Hace 5 días · An online sky map to identify constellations and major stars and planets easy to see with the naked eye.
Hace 1 día · The position marks are entered inward from the distance marks according to their declination, and connected by lines (doted when negative) of their top-down viewed arcs of declination. This list covers all known stars, white dwarfs, brown dwarfs, and sub-brown dwarfs within 20 light-years (6.13 parsecs) of the Sun.
Hace 3 días · An aurora (pl. aurorae or auroras), also commonly known as the northern lights (aurora borealis) or southern lights (aurora australis), is a natural light display in Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic).
Hace 4 días · Capella is the sixth-brightest star in the night sky, and the third-brightest in the northern celestial hemisphere after Arcturus and Vega. A prominent object in the northern winter sky, it is circumpolar to observers north of 44°N.
