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Satellite galaxies gone awry: Andromeda's asymmetrical companions challenge cosmology
The Andromeda galaxy is surrounded by a constellation of dwarf galaxies that are arranged in a highly lopsided manner. Analysis of cosmological simulations published in Nature Astronomy reveal that ...
A New Comet Is Streaking Across the Morning Sky. Catch It Before the Sun Does
The newly discovered comet, C/2025 F2 (SWAN), is racing toward the Sun, and it may not survive its closest approach.
Astronomy on MSN2d
The Sky This Week from April 11 to 18: The April Full Pink Moon shines
Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky ...
Preview Of Milky Way's Fate: NASA Video Shows Epic Galactic Merger And Star Birth
"A supercomputer simulation shows many galaxies merging over time. The parts of galaxies we can see are glowing stars forming ...
New green comet discovered but you don't have long to see it
Upon discovery, astronomers were surprised to discover that the comet was already quite bright, shining at a magnitude of 10.
Space.com on MSN2d
What to expect from the newfound Comet Swan: An observer's guide
Skywatchers throughout the Northern Hemisphere are enjoying views of the newly discovered Comet SWAN.
Update: New Comet Discovered — Here’s When And Where To See It
A new comet has been discovered. Now getting closer to the sun and expected to brighten over the next few weeks, comet C/2025 ...
Comet SWAN puts on a must-see sky show as it becomes visible with binoculars without telescope
Minor Planet Center officially designated comet SWAN25F as C/2025 F2 (SWAN) on April 8. SWAN is an instrument particularly designed to study the Sun ...
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