Developed in the early days of the internet the aim was to post a daily astronomical image along with a brief, easily understood explanation.
Top Award For Astronomy Picture of the Day Website
Sunrise
Every 24 hours, the space station makes 16 orbits of Earth, traveling through 16 sunrises and sunsets.
“The volcano created one of the largest disturbances in space we’ve seen in the modern era”
When the Hunga Tonga-Hunga Ha‘apai volcano erupted on Jan. 15, 2022, it sent atmospheric shock waves, sonic booms, and tsunami waves around the world. Now, scientists are finding the volcano’s effects also […]
Strong Solar Flare Erupts From Our Sun
This flare is classified as an X-class flare. X-class denotes the most intense flares, while the number provides more information about its strength.
Solar Flare Caught in NASA Image
The Sun emitted a moderate solar flare on May 4, 2022
Surveyor 3 #OnThisDay
Taken during the second Apollo 12 extravehicular activity (EVA), shows two U.S. spacecraft on the surface of the moon. The Apollo 12 Lunar Module (LM) is in the background. The unmanned Surveyor 3 spacecraft is in the foreground.
Largest Comet Nucleus Ever Seen
This diagram compares the size of the icy, solid nucleus of comet C/2014 UN271 (Bernardinelli-Bernstein) to several other comets.
80 Million Light-Years From Earth
The lazily winding spiral arms of the galaxy NGC 5921 snake across this image from the NASA/ESA Hubble Space Telescope.
Hubble Views an Infant Star
An energetic outburst from an infant star streaks across this image from the NASA/ESA Hubble Space Telescope.
Galaxy Collision: New #Hubble Image
A spectacular head-on collision between two galaxies fueled an unusual triangular-shaped star-birthing frenzy, as captured in a new image from NASA’s Hubble Space Telescope.
