News tagged with solar pressure

What is the upper limit for massive stars?

Yesterday I mentioned that hypernovae (super-supernovae) are the result of the explosion of a star that's about as massive as a star can be (about 150-200 solar masses). But how exactly do we know that t ...

Oct 07, 2014
4.9 / 5 (55) 23

Cosmic oddball

Some bodies have a very disturbing effect on the order in the solar system - P/2013 P5 is one of them. With several clearly visible tails, it may look like a comet, but orbits around the Sun within the asteroid ...

Nov 13, 2013
4 / 5 (4) 3

A new state of Venus's ionosphere

Observations from NASA's Pioneer Venus orbiter, which reached Venus in 1978, suggested that Venus's ionosphere had two states: a magnetized state with a large- scale horizontal magnetic field and an unmagnetized ...

Dec 27, 2012
4 / 5 (5) 7

Arctic ice melt sets stage for cold weather

(Phys.org) -- The dramatic melt-off of Arctic sea ice due to climate change is hitting closer to home than millions of Americans might think. That's because melting Arctic sea ice can trigger a domino effect ...

Jun 06, 2012
3.7 / 5 (26) 71 | with audio podcast