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Hace 3 días · Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution.
3 de may. de 2024 · Astronomy, science that encompasses the study of all extraterrestrial objects and phenomena. Since the late 19th century, astronomy has expanded to include astrophysics, the application of physical and chemical knowledge to an understanding of the nature of celestial objects.
Hace 2 días · As of 2022, the precise location of the Solar System in the clouds is an open question in astronomy. Within ten light-years of the Sun there are relatively few stars, the closest being the triple star system Alpha Centauri, which is about 4.4 light-years away and may be in the Local Bubble's G-Cloud.
Hace 3 días · The Moon is Earth 's only natural satellite. It orbits at an average distance of 384,400 km (238,900 mi), about 30 times the diameter of Earth. Over time Earth's gravity has caused tidal locking, causing the same side of the Moon to always face Earth.
- 405400 km, (404000–406700 km)
- 362600 km, (356400–370400 km)
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Hace 5 días · Sky & Telescope covers the latest night-sky events, astronomy news, astrophotography and observing tips. Learn more with our tools, videos, and podcasts.
Hace 3 días · Apr. 17, 2024, 6:26 AM ET (Newsweek) Astronomers Discover Galaxy's Largest Stellar Black Hole 'Lurking Nearby' Top Questions. What is a galaxy? Are all galaxies the same shape? What are the types of galaxies? What is an example of a Sa galaxy?
Hace 3 días · What are the planets in the solar system? Where is the solar system? How did the solar system form? Is there life in the solar system aside from on Earth?
