A look ahead to the sky next year: Sky Guide 2025 - Astronomy …
2024年12月9日 · It’s back: Astronomy magazine’s free downloadable Sky Guide, your preview of everything happening in the sky next year. Mars opens 2025 by reaching opposition the night …
The Sky This Week from December 13 to 20: 2024’s last Full Moon
Friday, December 13 The bright gibbous Moon passes 4° north of Uranus at 5 A.M. EST. At that time, the Moon sits in Aries the Ram, while Uranus is just over the border in far western …
Best astronomy apps for stargazing in 2025 - Astronomy Magazine
2025年1月1日 · In recent years, many amateur astronomers have added a new item to their toolkit: a smartphone. Here are one observer's favorite apps.
Comet Tsuchinshan-ATLAS: The comet of the year is here
2024年9月24日 · Comet C/2023 A3, also known as Comet Tsuchinshan-ATLAS, may become the next brilliant comet. The brightnesses of such objects, however, are notoriously difficult to predict.
Why the winter solstice is the longest night every year, and when it ...
2024年12月17日 · The winter solstice — the exact moment when the Sun appears farthest south in the sky — happens at 4:21 a.m. EST on Dec. 21 in 2024.
Free Downloads | Astronomy.com
Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black holes ...
When did we realize that Earth orbits the Sun? - Astronomy …
2024年4月12日 · A: We had no direct view of Earth until the dawn of the Space Age. Finding physical evidence that our planet revolves around the Sun took some clever thinking to prove …
The Sky This Week from January 3 to 10: Earth’s closest approach …
Friday, January 3 Asteroid 14 Irene reaches opposition at 2 A.M. EST within northwestern Gemini the Twins. The magnitude 9.6 main-belt world is visible roughly all night, from sunset until …
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 …
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 ...