Understanding the phases of the Moon | Astronomy.com
WEBAug 30, 2023 · Learn how the Sun, Earth, and Moon create the eight distinct phases of the Moon, and how they affect lunar and solar eclipses. Find out when and where to see the next solar eclipse in 2024.
Speed of light: How fast light travels, explained simply and clearly
WEBJan 23, 2024 · Learn how the speed of light was first measured, why it is a constant and what it means for relativity. Find out how light slows down in different media and why it is the cosmic speed limit.
Earth facts: Size, distance from the Sun, orbit | Astronomy.com
WEBOct 20, 2023 · Learn about Earth's size, distance from the Sun, orbit, rotation, surface, atmosphere, temperature, and escape velocity. Find out how Earth compares to other planets in our solar system.
Astronomy Magazine: Space News, Observing, Planets, Galaxies
WEBAstronomy.com is the world's best-selling astronomy magazine, covering the heavens above with expert science, color photography, and observing tips. Learn about planets, galaxies, comets, and NASA ...
Black holes, explained by an astrophysicist - Astronomy Magazine
WEBDec 11, 2023 · Learn about the discovery, formation and properties of black holes, the cosmic enigmas that are regions of infinite gravity. Find out what's inside a black hole, according to relativity and ...
Earth's future: How the world might end | Astronomy Magazine
WEBOct 19, 2023 · Learn about the cosmic and solar dangers that could threaten life on Earth, and the evolution of the Sun that will eventually boil away the oceans. Find out how long Earth can sustain life, and ...
Planets 101: What they are and how they form | Astronomy.com
WEBOct 18, 2023 · Learn about the eight planets in our solar system, their characteristics, and how they differ from exoplanets. Explore the formation, classification, and detection methods of planets in the universe.
Jupiter: Size, distance from the Sun, orbit | Astronomy.com
WEBApr 19, 2024 · Jupiter has a diameter of 89,000 miles and is the fifth planet from the Sun. Learn more about its temperature, moons, rings, atmosphere and orbit on Astronomy.com.
Everything you need to know about the Moon | Astronomy.com
WEBSep 7, 2023 · Learn about the Moon's size, composition, orbit, and how it affects Earth. The Moon's average distance from Earth is about 238,900 miles, but it varies from 226,000 to 252,000 miles.
Mercury: Size, distance from the Sun, orbit | Astronomy.com
WEBOct 20, 2023 · Mercury is the smallest and closest planet to the Sun, with an average distance of 36 million miles. Learn more about its size, orbit, rotation, surface, atmosphere, temperature and escape velocity.