News tagged with radioactive elements

Moon is younger than first thought

Improved age data for the Moon suggests that it is much younger than previously believed according to scientists presenting at a Royal Society discussion meeting entitled Origins of the Moon this week (23 ...

Sep 25, 2013
4.4 / 5 (17) 14 | with audio podcast

Earth's gold came from colliding dead stars

We value gold for many reasons: its beauty, its usefulness as jewelry, and its rarity. Gold is rare on Earth in part because it's also rare in the universe. Unlike elements like carbon or iron, it cannot ...

Jul 17, 2013
4.7 / 5 (48) 90 | with audio podcast

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

How slow is slow? EXO knows

(PhysOrg.com) -- Cooks think of watched pots. Handymen grumble about drying paint. Kids dread the endless night before Christmas morning.

Sep 09, 2011
4.6 / 5 (8) 5 | with audio podcast