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 ...
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.
Jupiter: Size, distance from the Sun, orbit | Astronomy.com
2024年4月19日 · Temperature: The average temperature at the top of clouds on Jupiter is –244° F (–153° C). Escape velocity: To escape Jupiter’s gravity, you have to travel 133,100 miles (214,200 km) per ...
Astronomy Magazine: Space News, Observing, Planets, Galaxies
Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black holes ...
Planets 101: What they are and how they form | Astronomy.com
2023年10月18日 · Since the dawn of human civilization, planets have captivated our collective imagination. These cosmic wanderers – sweeping across the night sky in breathtaking celestial choreography ...
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
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 science behind the Big Bang theory | Astronomy.com
2023年12月18日 · The first suggestion of the Big Bang was in 1912. Astronomer Vesto Slipher “conducted a series of observations of spiral galaxies (which were believed to be nebulae) and measured their Doppler ...
The Sun: Facts, size, and fate of Earth’s blazing star
2023年10月18日 · Facts about our Sun, including its distance from Earth, what the Sun is made of, and how long it would take to drive there (hint: a long time!).
Why Earth has seasons and why they're wildly different on other …
2024年1月15日 · Exoplanet seasons. Thousands of exoplanets, or planets outside our solar system, have been discovered over the past few decades.My research group wanted to understand how habitable these planets ...