How can a celestial object be bright and faint at the same time? The answer hinges on its surface brightness. In the case of ...

In a paper presented at the National Astronomy Meeting in Preston from 16 20 April, Dr Stuart Eves of Surrey Satellite Technology Limited will challenge the orthodox view that the rings around the ...

John Frederick William Herschel was a man of many talents. Born in England during the late 18th century, he was an accomplished mathematician, chemist, and inventor. He created the Julian Day system, ...

More than 230 years ago astronomer William Herschel discovered the planet Uranus and two of its moons. Using the Herschel Space Observatory, a group of astronomers led by Örs H. Detre of the Max ...

A successful builder by day and traversing the sky by night, Isaac Roberts took the first clear photograph of Andromeda, the closest galaxy to our Milky Way.

The Messier (M) catalog, originating from Charles Messier's comet hunting in the 18th century, comprises 110 nonstellar objects initially identified to avoid confusion with comets. William Herschel's ...

In May 1964, Arno Penzias and Robert Wilson were testing how radio waves bounced off balloon satellites developed by Bell ...

Many galaxies exist in gravitationally interacting systems, often merging over time despite the universe's overall expansion. Keenan's System (NGC 5216 and NGC 5218, or Arp 104), located in Ursa Major ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...