News tagged with radioactive

Astronomers discover light echo from supernova

(Phys.org) —Astronomers have discovered light echoing off material surrounding a recent supernova explosion, SN 2009ig. The dust and gas that are reflecting the light are so close to the eruption center ...

Jun 04, 2013
4.3 / 5 (7) 11 | with audio podcast

Living in space

Every day, 400 kilometres above our heads, there are astronauts living in space. Their home is the ISS, the frontier outpost of human exploration, and a workplace like nothing on Earth. With spacewalks and ...

May 27, 2013
4.8 / 5 (4) 0