News tagged with early universe

X-ray quasars, and a distance record

Quasars are thought to be galaxies whose bright nuclei contain massive black holes around which disks are actively accreting matter. The accretion process releases vast amounts of energy, often including a ...

Apr 30, 2012
3 / 5 (3) 0 | with audio podcast

The JCMT celebrates 25 years on top of the world

The James Clerk Maxwell Telescope (JCMT) on Mauna Kea in Hawaii, is celebrating its 25th birthday this week. It first turned its dish to the heavens this week in 1987, and now, a quarter of a century later, ...

Apr 28, 2012
4.4 / 5 (5) 0 | with audio podcast

WISE mission sees skies ablaze with blazars

(Phys.org) -- Astronomers are actively hunting a class of supermassive black holes throughout the universe called blazars thanks to data collected by NASA's Wide-field Infrared Survey Explorer (WISE). The ...

Apr 12, 2012
4.9 / 5 (10) 1 | with audio podcast

A planetary system from the early Universe

A group of European astronomers has discovered an ancient planetary system that is likely to be a survivor from one of the earliest cosmic eras, 13 billion years ago. The system consists of the star HIP 11952 ...

Mar 27, 2012
4.5 / 5 (14) 13 | with audio podcast

The origins of a torus in a galactic nucleus

(PhysOrg.com) -- Quasars are among the most energetic objects in the universe, with some of them as luminous as ten thousand Milky Way galaxies. Quasars are thought to have massive black holes at their cores, ...

Mar 13, 2012
4.3 / 5 (3) 0 | with audio podcast

Galaxy cluster hidden in plain view

(PhysOrg.com) -- A team of astronomers has discovered the most distant cluster of red galaxies ever observed using FourStar, a new and powerful near-infrared camera on the 6.5m Magellan Baade Telescope. The ...

Mar 06, 2012
4.8 / 5 (10) 5 | with audio podcast

Classic portrait of a barred spiral galaxy

(PhysOrg.com) -- The NASA/ESA Hubble Space Telescope has taken a picture of the barred spiral galaxy NGC 1073, which is found in the constellation of Cetus (The Sea Monster). Our own galaxy, the Milky Way, ...

Feb 03, 2012
4.8 / 5 (8) 3 | with audio podcast