News tagged with space observatory

NASA's SDO sees giant January sunspots

An enormous sunspot, labeled AR1944, slipped into view over the sun's left horizon late on Jan. 1, 2014. The sunspot steadily moved toward the right, along with the rotation of the sun, and now sits almost ...

Jan 07, 2014
4.6 / 5 (5) 0

The water reservoir in a young planetary system

(PhysOrg.com) -- Astronomers once thought that the process of star formation was more-or-less controlled by the simple coalescence of material by gravity, leading eventually to a new star. But they have come ...

Nov 15, 2011
4.4 / 5 (5) 1 | with audio podcast

New class of old star cluster discovered

(Phys.org) —Star clusters with properties not seen before have been discovered by an international team of astrophysicists, led by Swinburne University of Technology's Professor Duncan Forbes.

Aug 01, 2013
4.4 / 5 (5) 4 | with audio podcast

Listening to the stars

It is almost night on the island of Puerto Rico. Astronomer Joanna Rankin raises her head toward the sky. A few of the brightest stars shine through blue cracks in a ragged dome of gray clouds. To her back, ...

Dec 01, 2011
5 / 5 (4) 3 | with audio podcast

The spectral energy distribution of protostars

(Phys.org) -- Stars form when gravitational forces coalesce the gas and dust in interstellar clouds until the material forms clumps dense enough to become stars. Precisely how this happens, however, is still ...

Aug 06, 2012
5 / 5 (4) 2 | with audio podcast

Galaxies: Some assembly required

New research using the world's largest telescope at the Keck Observatory in Hawaii has revealed two distinct populations of star clusters surrounding galaxies that have radically different chemical composition.

Oct 23, 2012
4 / 5 (5) 2 | with audio podcast

New sunspots producing space weather

On Jan. 13, 2013, at 2:24 a.m. EST, the sun erupted with an Earth-directed coronal mass ejection or CME. Not to be confused with a solar flare, a CME is a solar phenomenon that can send solar particles into ...

Jan 14, 2013
5 / 5 (4) 0 | with audio podcast