Science ❯ Astronomy ❯ Astrophysics

Celestial Events

Fireballs Meteor Showers Visibility Predictions Merging Galaxies Sunset Phenomena Rarity of Observation Solar Eclipses Coronal Mass Ejections Comet Approaches Hubble Space Telescope Meteoroids Asteroid Collisions Aurora Borealis Planetary Parade Artificial Bolides Lunar-Solar Alignments Eclipse Phenomena Eclipses Asteroid Impact

NOAA Ups Aurora Outlook: Kp 5 Could Bring Northern Lights to 15 U.S. States Tonight

NOAA’s upgrade reflects high-speed solar wind from a coronal hole compressing into a co-rotating region that elevates geomagnetic activity.

Hubble Spots Second Debris Cloud at Fomalhaut, Confirming Repeated Planetesimal Collisions

Astronomers Confirm First Coronal Mass Ejection From Another Star

First 2025 Manhattanhenge Aligns Setting Sun With City Street Grid