What makes a halo around the sun or moon?
Reported by Space | EarthSky
A large ring or circle of light around the sun or moon is called a 22-degree halo. They are caused by high, thin cirrus clouds drifting high above your head.
The post What makes a halo around the sun or moon? first appeared on EarthSky....
- By: Space | EarthSky
- On: Wed, 18 Mar 2026 08:45 +0000
Wave of Dust Rolls Through Texas
Reported by NASA
An advancing cold front kicked up a sharp line of sand and other small particles that swept over the high plains....
- By: NASA
- On: Wed, 18 Mar 2026 04:01 +0000
Why Conventional SETI Needs A Major Refocus
Reported by Universe Today
After decades of searching for alien signals in narrow radio and microwave bandwidths, a new paper suggests that we take a wholly different approach. The idea is to broaden the search to a much wider range of the electromagnetic spectrum....
- By: Bruce Dorminey (https://www.universetoday.com/authors/bruce)
- On: Wed, 18 Mar 2026 02:10 +0000
CERN Adds a New Particle to Large Hadron Collider's Subatomic Zoo
Reported by Universe Today
Scientists at Europe's CERN research center say the Large Hadron Collider's LHCb experiment has discovered a "doubly charmed" particle that's like a proton, but four times as weighty....
- By: Alan Boyle (https://www.universetoday.com/authors/cosmiclog)
- On: Wed, 18 Mar 2026 01:27 +0000
NASA’s X-59 Prepares for Second Flight
Reported by NASA
NASA’s X-59 experimental aircraft is preparing for its second flight, a step that will set the pace for more flight testing in 2026. Over the coming months, NASA will take the quiet supersonic jet faster and higher, while validating&...
- By: NASA
- On: Tue, 17 Mar 2026 20:55 +0000
Dim Delights in Cancer
Reported by NASA
Cancer the Crab is a dim constellation, yet it contains one of the most beautiful and easy-to-spot star clusters in our sky: the Beehive Cluster. Cancer also possesses one of the most studied exoplanets: the superhot super-Earth, 55 Cancri e. Find Cancerâ€...
- By: NASA
- On: Tue, 17 Mar 2026 19:41 +0000




