We reveal the answer to this intriguing question
Space Exploration
Space Exploration
Solar System
On which planet would I weigh the least?
Out of the eight planets, from Mercury to Neptune, on which of these would you weigh the least?
Space Exploration
What was the first spacecraft to arrive at a planet?
We recount the day when the first manmade spacecraft made contact with another world
Deep Space
Are planetary nebulae made by supernovae?
We find out if these beautiful structures are made by the titanic explosion of massive stars
Deep Space
How are comets made?
We take a look at how these ‘dirty snowballs’ are made
Solar System
Can you drink water from other planets?
We take a look at whether a glass of alien water is safe for us to drink
Solar System
What would happen if all of the gas planets’ atmospheres were stripped away?
It would take something special, but the consequences would change the Solar System as we know it
Astronomy
How often does space rock hit the Earth’s atmosphere?
Space rock could be making its way through the Earth’s atmosphere more than we realise
Q & A
Quiz: How well do you know black holes?
Think you know everything there is about space’s weirdest objects? See how well you score in our quick-fire!
Solar System
How close would the Moon need to get to Earth until it was pulled apart?
If the Moon was to make an approach to Earth, at what point would its material begin to be stripped?
Space Exploration
What can studying the ice giants tell us?
What can the farthest planets in the Solar System, Uranus and Neptune, tell astronomers?
Space Exploration
Can any life forms exist in the vacuum of space?
If there is a life form that can withstand the harsh environment of space, there seems to be only one
Space Exploration
How do rockets work?
We find out how manned and unmanned spacecraft are propelled into space from Earth
Deep Space
Is dark matter hiding a mirror world?
We find out if this material is harbouring a reflection of the cosmos
Solar System
How did Mars get its polar ice caps?
It’s a fairly dry and dusty world, so how did Mars get its frosty poles?
Solar System
Is the Sun pulling the planets closer to it?
Could the planets in our Solar System be getting closer and closer to the Sun?
Solar System
Why does Venus look blue in some spacecraft images?
What is it about this terrestrial world’s atmosphere that gives it its unusual colour?
Solar System
What colour are comets when they are not near the Sun?
Do comets look as vibrant when they’re not getting a helping hand from the Sun?
Deep Space
What’s the heaviest star cluster?
We find out who’s the heftiest stellar family of them all
Deep Space
Can stars have weather?
We have the answer to this intriguing question