The space industry, with its fuel-burning rockets, requirements for mined metals and inevitable production of space junk, is not currently renowned for its environmental credentials. Can space exploration ever be truly environmentally friendly? Presenter Marnie Chesterton answers a selection of listeners’ questions on the topic of space environmentalism. She ... Show More
Aug 15
How long does light last?
When listener Rob from Devon, UK, heard of a newly detected planet light years away, he was struck by the sheer scale the light must travel to reach us here on Earth. It got him wondering: How long does light last? What’s the oldest light we’ve ever observed? And does light ever ... Show More
26m 29s
Aug 8
Can we stop the rain?
CrowdScience listener Rit, from Pune in India, is staring out of his window at the falling rain. It’s been pouring for four days now, and shows no sign of stopping. The laundry is piling up, all his shoes are wet, and he’s worried about the effect it’s having on the environment, ... Show More
32m 21s
Dec 2021
Moon missions and space junk
2021 was another year of firsts in the ever-expanding industry around space, as we moved towards space tourism as a reality. But what about NASA, and its plans to return to the moon? We hear all about it, and the space agency’s ambitious plans for not just the moon, but mars; fro ... Show More
17m 28s
Dec 2023
Space Policy Edition: Was the Space Shuttle a policy failure?
Was the Space Shuttle a successful program? In many ways, yes: it endured for thirty years, launched hundreds of astronauts into space, and built the International Space Station. But, according to the goals of lower costs, rapid reusability, and reliability NASA stated at its con ... Show More
59m 28s
Apr 2023
Launching Into Space — Sustainably!
In 1957, the Space Age began with the launch of Sputnik, the first artificial satellite. Since then, the number of objects humans have hurled toward the stars has soared to the thousands. As those objects have collided with one another, they've created more space debris in Earth' ... Show More
12m 54s