2024 solar eclipse: Path, times, how and where to see it
2024年4月8日 · The complete 2024 solar eclipse path and times — from 11:42 a.m. until 4:52 p.m. EDT on April 8 — including a state-by-state guide.
News | Astronomy.com
News from Astronomy Your source for the latest news on planets, stars, galaxies, cosmology, observing events, space missions, and more.
Speed of light: How fast light travels, explained simply and clearly
2024年1月23日 · The speed of light is 299,792,458 meters per second and that constant tells us much about cause and effect in the universe.
Understanding the phases of the Moon | Astronomy.com
2023年8月30日 · The Moon, Earth’s nearest celestial neighbor, has fascinated humanity for ages with its ever-changing phases. Each month, the Moon transitions through a series of distinct visual stages ...
Astronomy Magazine: Space News, Observing, Planets, Galaxies
2 天之前 · Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black holes ...
Black holes, explained by an astrophysicist - Astronomy Magazine
2023年12月11日 · An artist’s illustration of the black hole Cygnus X-1. Credit: NASA/CXC/M.Weiss
Telescopes 101: 15 essential things to know - Astronomy Magazine
2024年2月12日 · Buying a telescope is a big step, especially if you’re not sure what all those terms — f/ratio, magnification, go-to — mean. So, to eliminate confusion and make sure you understand what you ...
The different types of supernovae explained - Astronomy Magazine
2023年11月8日 · An artist's impression of how a type Ia supernovae may look as revealed by spectro-polarimetric observations. The outer regions of the blast cloud is asymmetric, with different materials found in ...
Earth facts: Size, distance from the Sun, orbit | Astronomy.com
2023年10月20日 · Size: Earth has a diameter of 7,926 miles (12,756 kilometers).Distance from the Sun: Earth is the third planet from the Sun, which is about 93 million miles (150 million km) away.Orbit around the ...
The Andromeda and Milky Way collision, explained - Astronomy …
2023年12月1日 · The Andromeda Galaxy is approaching the Milky Way at nearly a quarter million miles per hour. It is the closet major galaxy to our Milky Way and is the most distant thing you can see with the ...