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News | Astronomy.com
News from Astronomy Your source for the latest news on planets, stars, galaxies, cosmology, observing events, space missions, and more.
What it means for planets to align | Astronomy.com
May 28, 2024 · When we look up at the night sky, the dance of the planets is a constant, mesmerizing ballet. And occasionally, this dance creates patterns that spark both wonder and curiosity, as is the case ...
Understanding the phases of the Moon | Astronomy.com
Aug 30, 2023 · 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 ...
The physics of accretion: How the universe pulled itself together
Jun 16, 2022 · The reason that the gas in a molecular cloud can accrete into a star may be due to magnetohydrodynamics (MHD), the physics of how magnetic fields interact with hot ionized gas.
Why the winter solstice is the longest night every year, and when it ...
Dec 17, 2024 · 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.
Why is the universe expanding faster than predicted? A …
Nov 24, 2023 · Astronomers have known for decades that the universe is expanding. When they use telescopes to observe faraway galaxies, they see that these galaxies are moving away from Earth.. To astronomers ...
The Kármán Line: Where space begins - Astronomy Magazine
Nov 27, 2023 · Orbital flight plight: Aircraft vs. spacecraft. Lift is largely generated by an airplane’s wings as it flies through the air, creating a force that opposes the plane’s weight, keeping it airborne.
Constellations: How to spot them all - Astronomy Magazine
Nov 16, 2023 · On a winter evening, the sky is home to what most astronomers agree is the grandest of all constellations — Orion the Hunter.A rectangle of bright stars, which includes, at opposite corners, 1st ...
Telescopes 101: 15 essential things to know - Astronomy Magazine
Feb 12, 2024 · 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 ...