NASA’s Astronomy Photo of the Day

Home » Astronomy Information » NASA’s Astronomy Photo of the Day

Colliding Spiral Galaxies from Webb and Hubble

Colliding Spiral Galaxies from Webb and Hubble

Billions of years from now, only one of these two galaxies will remain. Until then, spiral galaxies NGC 2207 and IC 2163 will slowly pull each other apart, creating tides…

Read More

Welcome to Perihelion

Welcome to Perihelion

rth's orbit around the Sun is not a circle, it's an ellipse. The point along its elliptical orbit where our fair planet is closest to the Sun is called perihelion.…

Read More

Eclipse Pair

Eclipse Pair

clipses tend to come in pairs. Twice a year, during an eclipse season that lasts about 34 days, Sun, Moon, and Earth can nearly align. Then the full and new…

Read More

Solar Analemma 2024

Solar Analemma 2024

Recorded during 2024, this year-spanning series of images reveals a pattern in the seasonal drift of the Sun's daily motion through planet Earth's sky. Known to some as an analemma,…

Read More

Alpha Centauri: The Closest Star System

Alpha Centauri: The Closest Star System

The closest star system to the Sun is the Alpha Centauri system. Of the three stars in the system, the dimmest -- called Proxima Centauri -- is actually the nearest…

Read More