Shop Now
Telescopes and astronomy products
-
Astrophotography TelescopesBeginner Telescope: 70mm Aperture, 15x-150x Magnification
Buy Now on Amazon -
70mm Aperture TelescopesCelestron 70mm Travel Scope: Portable Telescope for Beginners
Buy Now on Amazon -
-
Latest News
From around the web
The Sky Today on Tuesday, October 21: The Orionids peak, Comet Lemmon is closest to Earth, and Titan makes a transit
Tue October 21st, 2025
New moon of October 2025 hides red star Antares for some lucky stargazers tonightMon October 20th, 2025
Hubble spies a glowing 'starburst ring' | Space photo of the day for Oct. 20, 2025Mon October 20th, 2025
Don't miss the Orionid meteor shower peak begin overnight tonight under a moonless skyMon October 20th, 2025
A cosmic heart bursts with light in new deep space astrophotographer portrait (photo)Sun October 19th, 2025
Images from the Mars Perseverance Rover – Photo stream updated daily!
Camera: Front Hazard Avoidance Camera - Left
Earth Date: Tue February 4th, 2025
Sol: 1409
Camera: Front Hazard Avoidance Camera - Left
Earth Date: Tue February 4th, 2025
Sol: 1409
Camera: Front Hazard Avoidance Camera - Left
Earth Date: Tue February 4th, 2025
Sol: 1409
Camera: Front Hazard Avoidance Camera - Left
Earth Date: Tue February 4th, 2025
Sol: 1409
NASA's Astronomy Picture of the Day (March 11th, 2026):
CG 4: The Globule and the Galaxy
From NASA: "Is this a cosmic monster ready to devour an unsuspecting galaxy? Thankfully, that is not the case. The red “monster” shown in the featured image is Cometary Globule CG 4, 1,300 light-years away in the Constellation Puppis. CG 4 is a molecular cloud, where hydrogen becomes cold enough to form molecules that can be brought together by gravity to create stars. The shape of CG 4 resembles that of a comet, but its head is 1.5 light-year in diameter and its tail is 8 light-years long; for comparison, the distance from the Earth to the sun is only 8 light-minutes. Astronomers believe that the tail of a cometary globule could have been shaped by a nearby supernova explosion or by irradiation from hot, massive stars. Indeed, CG 4 and other nearby globules point away from the Vela Supernova Remnant, at the center of the Gum Nebula. The edge-on spiral galaxy, ESO 257-19, is more than a hundred million light-years beyond CG 4, and is completely safe from the “monster”."