Science ❯ Astronomy ❯ Astrophysics

Celestial Events

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

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