There are probably more than a million planets in the universe for every single grain of sand on Earth. That’s a lot of planets. My guess is that there probably is life elsewhere in the Universe.
Brad Carter, University of Southern Queensland and Jake Clark, University of Southern Queensland
There are lots of places where it’s much, much hotter than the Sun. And the amazing thing is that this heat also makes new atoms - tiny particles that have made their way long ago from stars to us.
Sunanda Creagh, The Conversation and Molly Glassey, The Conversation
These school holidays, check out the podcast Imagine This, a co-production between ABC KIDS listen and The Conversation. And comb through our Curious Kids series.
The career arc of Nichelle Nichols – the first black woman to have a continuing co-starring role on TV – shows how diverse casting can have as much of an impact off the screen as it does on it.
Anish Kapoor made “Cloud Gate”, a giant bean-shaped mirror in Chicago. Visitors play with the light in the city and its surroundings, where our future lays.
We are in the Milky Way. If you travelled on an extremely fast spaceship for more than two million years, you would reach our neighbour, the Andromeda galaxy. All other galaxies are even further away.
Space mining has the potential to provide a greater supply of resources either for being exploited locally for construction or being sent back to earth.
The pull created by a black hole is so strong that if you get too close to one – even if you are travelling away from it at the fastest speed it is possible to go – you will never be able escape.
A wormhole is like a tunnel connecting two places in space. They would be incredibly useful and are great for science-fiction stories.
The problem is we haven’t found any evidence of them existing.
An astronomer suggests an idea to piggyback on the ambitious Breakthrough Starshot project that aims to send nano spacecraft to Alpha Centauri at a major fraction of the speed of light.