Astronomy Magazine: Space News, Observing, Planets, Galaxies
WEBAstronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black holes ...
Understanding the phases of the Moon | Astronomy.com
WEBAug 30, 2023 · There are eight distinct phases the Moon goes through. Beginning with New Moon, they are: New Moon: The New Moon phase marks the beginning of the lunar cycle. During this phase, the Moon is ...
Speed of light: How fast light travels, explained simply and clearly
WEBJan 23, 2024 · On one hand, the speed of light is just a number: 299,792,458 meters per second. And on the other, it’s one of the most important constants that appears in nature and defines the relationship of ...
Black holes, explained by an astrophysicist - Astronomy Magazine
WEBDec 11, 2023 · A black hole is a region of universe where gravity is so outrageously strong that nothing, not even light, can escape. Once something enters a black hole by crossing an invisible boundary known as ...
The science behind the Big Bang theory | Astronomy.com
WEBDec 18, 2023 · According to the theories of physics, one second after the Big Bang, the heat of the universe caused atoms to collide with enough force to create a ten billion degree soup of neutrons, protons ...
Jupiter: Size, distance from the Sun, orbit | Astronomy.com
WEBApr 19, 2024 · Size: Eleven Earths would fit side by side across the face of Jupiter. It is the biggest planet in the solar system, and it has a diameter of 89,000 miles (143,000 kilometers). Distance from the ...
How Did the Big Bang Happen? | Astronomy.com
WEBJul 1, 2019 · The universe cooled rapidly as it blew outward, however, and by 10–35 second after the Big Bang, the epoch of inflation occurred, enlarging the universe by a factor of 1050 in only 10–34 ...
Everything you need to know about the Moon | Astronomy.com
WEBSep 7, 2023 · The Moon’s average distance from Earth is about 238,900 miles (384,400 km). However, this distance is not constant, as the Moon follows an elliptical orbit around Earth. When the Moon is closest ...
The best telescopes if you want to spend from $90 to $11,000
WEBApr 23, 2024 · Type: Aplanatic Schmidt-Cassegrain telescope (SCT) Mount: Computerized CGX-L Equatorial. Aperture: 14 inches (355.6 mm) Focal length: 154 inches (3910 mm) Price: $10,999. Expert picks for the best ...
What is time? An astronomer explains - Astronomy Magazine
WEBJan 24, 2024 · In one, space-time is a “block” in which the worldlines of all objects exist in their entirety. This view is called eternalism. Past, present, and future events all exist together in this so ...