News tagged with subatomic particles

Little galaxies are big on dark matter

Dark matter... It came into existence at the moment of the Big Bang. Within its confines, galaxies formed and evolved. If you add up all the parts contained within any given galaxy you derive its mass, yet ...

Dec 30, 2011
4 / 5 (8) 24

Fermi shows that Tycho's star shines in gamma rays

(PhysOrg.com) -- In early November 1572, observers on Earth witnessed the appearance of a "new star" in the constellation Cassiopeia, an event now recognized as the brightest naked-eye supernova in more than ...

Dec 13, 2011
4.9 / 5 (11) 6

3 Questions: Faster than light?

The news media were abuzz this week with reports of experiments conducted at the Gran Sasso particle detector complex in Italy, apparently showing subatomic particles called neutrinos had traveled from th ...

Sep 26, 2011
4.8 / 5 (17) 68

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