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Found 273 results for dwarf planet
Supernova

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


Dominique Tipper and Wes Chatham in TV show

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


Planets colliding

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


The solar system has too many moons – it's time for a cull

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


Orion constellation

How to use the Orion constellation to find Sirius the dog star

16 October 2019

Some of the sky's brightest stars including Rigel and Betelgeuse are located in the iconic constellation Orion. Here's how to find it and then star-hop to Sirius


Artist's impression of a brown dwarf

Microbial life might drift in the atmospheres of failed stars

7 October 2019

Brown dwarfs are too large to be planets and too small to be stars, but they have gaseous atmospheres that may have all the ingredients needed for life


How the coolest, smallest stars could help us discover new exoplanets

How the coolest, smallest stars could help us discover new exoplanets

7 August 2019

Exoplanets are abundant near the galaxy's smallest stars. Observing M dwarfs could teach us more about the worlds beyond our solar system, writes Chanda Prescod-Weinstein


Jupiter's swirling cloud formations

By Jupiter! How the solar system’s giant made Earth ripe for life

22 May 2019

An audacious mission circling Jupiter’s poles is probing the planet’s deepest mysteries - including how it shaped our solar system and paved the way for our existence


Antonia impact crater

NASA traced a meteorite back to its original home in deep space

12 April 2019

An impact in the inner asteroid belt 22 million years ago was responsible for a meteorite shower over Turkey in 2015


'Oumuamua

Earth may be partly made of rocks from elsewhere in the galaxy

14 March 2019

We’ve only seen one interstellar object, a rock called ‘Oumuamua that passed by in 2017, but they may be crucial to speeding up the planet-building process


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