With their billions of stars, why don’t these giant structures light up the entirety of space?
How do intergalactic and extragalactic space differ from each other?
We define the meaning between these two descriptions of space
What would happen if a planet crashed into a neutron star?
We take a look at the answer to this intriguing question
Can you get a double supernova explosion?
One supernova explosion is enough to pack a punch, but can two go off at the same time?
Are planetary nebulae made by supernovae?
We find out if these beautiful structures are made by the titanic explosion of massive stars
Would astronauts need a lot of shielding to safely travel into deep space?
We have the answer to this intriguing question
Can we work out an exoplanet’s colour?
We’re able to detect them but is it possible to figure out the colours of the distant worlds we find?
How are pulsars used to identify our position in space?
Read on to find out how these beacons of electromagnetic radiation act like GPS satellites
What happens to planets when galaxies collide?
A full on smashup or a near miss? We find out what happens to planets when their galaxies collide
How much hydrogen does a star have?
We find out what that magic amount is to keep a star alive
Can black holes make exotic materials?
Could black holes be a factory for unusual material at their hearts?
What is a hot Jupiter?
Could these worlds be the extreme cousins of gas giant Jupiter?
What is an accretion disk?
Often found around a star or black hole, we find out what an accretion disc is
What happens when two galaxies collide?
Do things crash together or is it more serene?
What does a supernova sound like?
Are these catastrophic explosions really as loud as they look?
Why do images of deep space objects look so colourful?
What causes the vivid colours in deep space photography?
What would happen if two black holes collided?
What happens when an unstoppable force meets another unstoppable force…
What do the letters of stellar classification stand for?
O, B, A, F and so on… What do they all mean?
Astronomers find ‘space grease’ in Milky Way
“It’s not the kind of thing you’d want to spread on a slice of toast!”
Cosmic ‘red nuggets’ reveal squelched stars and galaxy formation secrets
The new study was conducted using NASA’s Chandra X-ray Observatory