The Vredefort impact in South Africa, caused by a massive 25 km-wide asteroid, is the largest known impact structure on Earth, originally spanning 280 km. This event occurred about 2 billion years ago, long before the dinosaurs, and left a crater much larger than the one from the asteroid that killed the non-avian dinosaurs.
Related Posts
The Hubble Space Telescope Just Spotted the Most Distant Star We’ve Ever Seen
Just months after the launch of the new James Webb Space Telescope, the experienced Hubble Space Telescope just…
Saving the Arctic
Arctic warming is happening nearly four times faster than the rest of the planet, accelerating the loss of…
Rescuing satellites is harder than it looks – a growing space junk problem will make doing so more important
Wanjiku Chebet Kanjumba, University of Florida A commercial robotic spacecraft called LINK launched on an emergency mission to…
We can use drones to get inside and learn more about active, gassy volcanoes
An overhead shot of a volcano crater in east Java, Indonesia. (Shutterstock) Fiona D’Arcy, McGill University Volcanic eruptions…