APOD: 2025 November 26 Б Globular Cluster M15 Deep Field
25.11.2025

Stars, like bees, swarm around the center of bright globular cluster M15. The central ball of over 100,000 stars is a relic from the early years of our Galaxy, and continues to orbit the Milky Way's center.

The Lyman Alpha Forest
23.02.1998

We live in a forest. Strewn throughout the universe are "trees" of hydrogen gas that absorb light from distant objects. These gas clouds leave numerous absorption lines in a distant quasar's spectra, together called the Lyman-alpha forest.

Perseid Trail
14.08.2008

This bright and colorful meteor flashed through Tuesday's early morning skies, part of the annual Perseid Meteor Shower. The lovely image is one of over 350 frames captured on August 12 from...

A Twisted Solar Eruptive Prominence
24.01.2015

Ten Earths could easily fit in the "claw" of this seemingly solar monster. The monster, actually a huge eruptive prominence, is seen moving out from our Sun in this condensed half-hour time-lapse sequence. This large prominence, though, is significant not only for its size, but its shape.

Int Ball Drone Activated on the Space Station
24.07.2017

What if you were followed around by a cute floating ball that kept taking your picture? Then you might be an astronaut on today's International Space Station (ISS). Designed by the Japan Aerospace...

Hale-Bopp: The Crowd Pleaser Comet
9.07.1998

In 1997, the bright comet Hale-Bopp may have become the most viewed comet in history -- visible even to casual skywatchers in light polluted cities around the globe. In this picture, taken by photographer...

A Massive Cluster In A Young Universe
21.08.1998

Conventional theories suggest that this cluster of galaxies should not exist. Each fuzzy spot in this false-color Hubble Space Telescope image of the central regions of a newly discovered galaxy cluster is a galaxy similar in mass to our own Milky Way.

New Horizons Launches to Pluto
23.01.2006

Destination: Pluto. The New Horizons spacecraft roared off its launch pad at Cape Canaveral in Florida, USA last week toward adventures in the distant Solar System. The craft is one of the fastest spaceships...

A Split Ion Tail for Comet Lovejoy E4
24.04.2017

What's happened to Comet Lovejoy? In the pictured image, a processed composite, the comet was captured early this month after brightening unexpectedly and sporting a long and intricate ion tail. Remarkably, the typically...

Eclipsed Moonlight from Connelly s Springs
10.11.2003

Happily, skies over Connelly's Springs, North Carolina, USA were not mostly cloudy, as forecast, on the evening of November 8. In fact they were mostly clear early on, allowing photographer David Cortner to record the evening's scheduled celestial entertainment, a total lunar eclipse.