News tagged with dwarf galaxies

Related topics: hubble space telescope

Hubble observes a dwarf galaxy with a bright nebula

(Phys.org) -- The NASA/ESA Hubble Space Telescope has made detailed observations of the dwarf galaxy NGC 2366. While it lacks the elegant spiral arms of many larger galaxies, NGC 2366 is home to a bright, ...

Space & Earth / Astronomy

created May 10, 2012 | popularity 5 / 5 (3) | comments 2 | with audio podcast

'Ridiculously' dim bevy of stars found beyond Milky Way

(Phys.org) -- A team of American, Canadian and Chilean astronomers have stumbled onto a remarkably faint cluster of stars orbiting the Milky Way that puts out as much light as only 120 modest Sun-like stars. ...

Space & Earth / Astronomy

created Apr 27, 2012 | popularity 4.7 / 5 (16) | comments 72 | with audio podcast

Fermi observations of dwarf galaxies provide new insights on dark matter

(PhysOrg.com) -- There's more to the cosmos than meets the eye. About 80 percent of the matter in the universe is invisible to telescopes, yet its gravitational influence is manifest in the orbital speeds ...

Space & Earth / Astronomy

created Apr 02, 2012 | popularity 4.7 / 5 (16) | comments 77 | with audio podcast

Antlia dwarf galaxy peppers the sky with stars

(PhysOrg.com) -- The myriad faint stars that comprise the Antlia Dwarf galaxy are more than four million light-years from Earth, but this NASA/ESA Hubble Space Telescope image offers such clarity that they ...

Space & Earth / Astronomy

created Mar 05, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Astronomical fireworks: On the origins of Type Ia supernova

(PhysOrg.com) -- A little luck and a lot of hard work can really light up the sky.

Space & Earth / Astronomy

created Feb 28, 2012 | popularity 5 / 5 (6) | comments 18 | with audio podcast

Black hole came from a shredded galaxy

(PhysOrg.com) -- Astronomers using NASA's Hubble Space Telescope have found a cluster of young, blue stars encircling the first intermediate-mass black hole ever discovered. The presence of the star cluster ...

Space & Earth / Astronomy

created Feb 15, 2012 | popularity 4.6 / 5 (13) | comments 13 | with audio podcast

Astronomy team discovers nearby dwarf galaxy

(PhysOrg.com) -- A team led by UCLA research astronomer Michael Rich has used a unique telescope to discover a previously unknown companion to the nearby galaxy NGC 4449, which is some 12.5 million light years ...

Space & Earth / Astronomy

created Feb 08, 2012 | popularity 4.3 / 5 (8) | comments 5 | with audio podcast

The Helix Nebula in new colors

(PhysOrg.com) -- ESO's VISTA telescope, at the Paranal Observatory in Chile, has captured a striking new image of the Helix Nebula. This picture, taken in infrared light, reveals strands of cold nebular gas ...

Space & Earth / Astronomy

created Jan 19, 2012 | popularity 4.3 / 5 (6) | comments 0 | with audio podcast

Origin of thermonuclear supernova discovered

(PhysOrg.com) -- Using NASA’s Hubble Space Telescope, astronomers have solved a longstanding mystery on the type of star, or so-called progenitor, which caused a supernova seen in a nearby galaxy. The ...

Space & Earth / Astronomy

created Jan 11, 2012 | popularity 5 / 5 (3) | comments 4 | with audio podcast

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 ...

Space & Earth / Astronomy

created Dec 30, 2011 | popularity 4 / 5 (8) | comments 24

Ultra-compact dwarf galaxies are bright star clusters

(PhysOrg.com) -- Astronomy & Astrophysics is publishing a new statistical study of the so-called 'ultra-compact dwarf galaxies' (UCDs), which are still mysterious objects. A team of astronomers has invest ...

Space & Earth / Astronomy

created Dec 19, 2011 | popularity 5 / 5 (2) | comments 0

A beast with four tails

(PhysOrg.com) -- The Milky Way galaxy continues to devour its small neighbouring dwarf galaxies and the evidence is spread out across the sky.

Space & Earth / Astronomy

created Nov 30, 2011 | popularity 4.6 / 5 (10) | comments 19 | with audio podcast

Physicists set strongest limit on mass of dark matter

Brown University physicists have set the strongest limit for the mass of dark matter, the mysterious particles believed to make up nearly a quarter of the universe. The researchers report in Physical Review Le ...

Physics / General Physics

created Nov 23, 2011 | popularity 3.6 / 5 (12) | comments 43 | with audio podcast

Hubble finds stellar life and death in a globular cluster

(PhysOrg.com) -- A new NASA Hubble Space Telescope image shows globular cluster NGC 1846, a spherical collection of hundreds of thousands of stars in the outer halo of the Large Magellanic Cloud, a neighboring ...

Space & Earth / Astronomy

created Nov 22, 2011 | popularity 4.5 / 5 (4) | comments 3 | with audio podcast

Hubble uncovers tiny galaxies bursting with starbirth in early Universe

(PhysOrg.com) -- Using its infrared vision to peer nine billion years back in time, the NASA/ESA Hubble Space Telescope has uncovered an extraordinary population of tiny, young galaxies that are brimming with ...

Space & Earth / Astronomy

created Nov 10, 2011 | popularity 4.1 / 5 (7) | comments 44 | with audio podcast