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Hace 1 día · 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.
- My Observations
Observation Log Book. Every amateur astronomer will tell...
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Stellarium Web is a planetarium running in your web browser....
- My Observations
Hace 1 día · Based on mass and increasingly precise radius limits, astronomers have concluded that Sagittarius A* must be the central supermassive black hole of the Milky Way galaxy. The current value of its mass is 4.297 ± 0.012 million solar masses .
Hace 1 día · This is a list of known galaxies within 3.8 megaparsecs (12.4 million light-years) of the Solar System, in ascending order of heliocentric distance, or the distance to the Sun.
Hace 4 días · The three star charts are based on the coordinate system whose center is at Earth's center and whose axes are oriented to the same directions as those of the International Celestial Reference System (ICRS). For simplicity, we will use GCRS to refer to this coordinate system.
Hace 2 días · EDSM (Elite Dangerous Star Map) was at first a community effort to store and calculate systems coordinates around the Elite: Dangerous galaxy. It is now the main API used by dozens of software and websites to find systems, coordinates, information (governement, allegiance, faction...) and celestial bodies (types, materials...).
Hace 4 días · The spiral arms. longitude-velocity map of the Milky Way Galaxy. Longitude-velocity map of the Milky Way Galaxy as shown by spectral line emission of carbon monoxide in molecular clouds. The vertical axis represents velocity and the horizontal axis longitude.
Hace 4 días · Milky Way Galaxy (sometimes simply called the Galaxy), large spiral system of about several hundred billion stars, one of which is the Sun. It takes its name from the Milky Way, the irregular luminous band of stars and gas clouds that stretches across the sky as seen from Earth.
