Pigeons and woolly hats now have exoplanets named after them
17 December 2019
More than 100 exoplanets and the stars they orbit have just been officially named by a public vote. The names reference woolly hats, bush pigeons, coffee and van Gogh
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Found 677 results for dwarf planet
How to find Andromeda – a spiral galaxy you can see with the naked eye
11 December 2019
Amazingly, it is possible to see the spiral arms of Andromeda, our nearest galaxy 2.5 million light years away – if you just know where to look
Black holes formed from dark matter could be making dead stars explode
6 December 2019
White dwarfs are burnt out stars that can explode into supernovae, and this process might be kicked off by a black hole made of dark matter in the heart of the star
We’ve discovered a planet orbiting an exploded star for the first time
4 December 2019
A giant planet almost as big as Jupiter has been found orbiting a white dwarf, which is the remnants of an exploded star
How The Expanse is still putting humans at the heart of sci-fi
20 November 2019
As sci-fi series The Expanse returns for a fourth season, on Amazon Prime, its authors (writing as James S.A. Corey) reveal how real physics and human frailty make for a rich world
A few solutions to the minimoon conundrum (2)
13 November 2019
Star systems full of planetary smash-ups are bad news for alien life
12 November 2019
We've seen the remains of a collision between two planets in a distant star system - and these planetary smash-ups are thought to be surprisingly common
Could Jupiter ever ignite into a star?
30 October 2019
Jupiter is big enough to be a star, so could it ever become one? The answer lies in knowing how a star forms, as readers explain
Surprisingly round asteroid may actually be the smallest dwarf planet
28 October 2019
The best ever image of the asteroid Hygiea has revealed its shape for the first time and it looks as if it is round enough to be a tiny dwarf planet like Pluto
The solar system has too many moons – it's time for a cull
23 October 2019
Designating rocks just a few kilometres across as moons is misleading and ridiculous. We need to do a Pluto and cut moons down to size, argues Leah Crane
