Astronomy
It Doesn’t Take Much to Get Tilted Planets
Chinese and Indian astronomers were the first to measure Earth's axial tilt accurately, and they did it about 3,000 years…
A Protoplanetary Disc Has Been Found… in Another Galaxy!
Astronomers have imaged dozens of protoplanetary discs around Milky Way stars, seeing them at all stages of formation. Now, one…
The Solar Radius Might Be Slightly Smaller Than We Thought
Two astronomers use a pioneering method to suggest that the size of our Sun and the solar radius may be…
The Second Most Energetic Cosmic Ray Ever Found
"Oh My God," someone must have said in 1991 when researchers detected the most energetic cosmic ray ever to strike…
If Warp Drives are Impossible, Maybe Faster Than Light Communication is Still on the Table?
I’m sure many readers of Universe Today are like me, fans of the science fiction genre. From the light sabres…
Vampire Stars Get Help from a Third Star to Feed
Some stars are stuck in bad binary relationships. A massive primary star feeds on its smaller companion, sucking gas from…
JWST Reveals Protoplanetary Disks in a Nearby Star Cluster
The Orion Nebula is a favourite among stargazers, certainly one of mine. It’s a giant stellar nebula out of which,…
Apollo Samples Contain Hydrogen Hurled from the Sun
According to the U.S. National Academies of Sciences, Engineering, and Medicine, men should drink 3.7litres of water a day and…
Adolescent Galaxies are Incandescent and Contain Unexpected Elements
If the Universe has adolescent galaxies, they're the ones that formed about 2 to 3 billion years after the Big…
In the Shadow of Saturn’s Rings
I can remember it very well, although not actually sure when it was, back around 1995/1996 I think. I was,…