News tagged with earth atmosphere

Hubble catches the moment the lights went out

(Phys.org)—The further away you look, the further back in time you see. Astronomers use this fact to study the evolution of the Universe by looking at nearby and more distant galaxies and comparing their ...

Feb 06, 2013
4.5 / 5 (12) 5 | with audio podcast

Cassini Instrument Learns New Tricks

(Phys.org)—For seven years, a mini-fridge-sized instrument aboard NASA's Cassini spacecraft reliably investigated weather patterns swirling around Saturn; the hydrocarbon composition of the surface of Saturn's ...

Dec 21, 2012
5 / 5 (9) 0 | with audio podcast

Geoengineering: A whiter sky

One idea for fighting global warming is to increase the amount of aerosols in the atmosphere, scattering incoming solar energy away from the Earth's surface. But scientists theorize that this solar geoengineering could have ...

May 31, 2012
4.4 / 5 (5) 16 | with audio podcast

Hubble sees a spiral within a spiral

(Phys.org) -- NASA's Hubble Space Telescope captured this image of the spiral galaxy known as ESO 498-G5. One interesting feature of this galaxy is that its spiral arms wind all the way into the center, so ...

May 28, 2012
5 / 5 (8) 8 | with audio podcast