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Vor einem Tag · 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.
- Calendar
Stellarium Web is a planetarium running in your web browser....
- My Observations
Stellarium Web is a planetarium running in your web browser....
- Calendar
Vor 5 Tagen · Calçada CC BY 4.0. Astrophysicists at the University of Copenhagen help explain a mysterious phenomenon, whereby stars suddenly vanish from the night sky. Their study of an unusual binary star system has resulted in convincing evidence that massive stars can completely collapse and become black holes without a supernova explosion.
Vor einem Tag · Every evening, the stars in the sky return to the same place 4 minutes early because the Earth’s movement in its orbit around the sun gives us a slightly different background of stars each night. These 4 minutes represent the difference between the length of a day (24 hours) and that of an earth’s rotation (23 hours and 56 ...
Vor einem Tag · A red supergiant star 12 times the sun's mass, it's one of the biggest stars in the night sky. You can see it in the east tonight after dark, close to a big, bright, waxing gibbous moon.
Vor 2 Tagen · A star is a luminous spheroid of plasma held together by self-gravity. The nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night; their immense distances from Earth make them appear as fixed points of light.
Vor 5 Tagen · May 28, 2024. 800 stars disappeared from the night sky without a trace in the last 70 years. Ivan Hrinko. The night sky above us is strewn with stars. An ordinary observer may get the impression that the stars are always shining and never disappear without a trace.
Vor 4 Tagen · University of Copenhagen astrophysicists help explain a mysterious phenomenon, whereby stars suddenly vanish from the night sky. Their study of an ... Star Suddenly Vanish from the Night...
