Anne’s Image of the Day: Nebula N 164
By Annelies Rhemrev
October 23, 2012
N 164, an emission nebula in the LMC
Image Credit: ESO
For a larger image click here.
N 164 is a bright emission nebula and star-forming cloud, located within the Large Magellanic Cloud — an irregular [...]
High-Speed Cosmic Jet of Two Million Lights-Years Long Found
By Annelies Rhemrev
Blasting over two million lights-years from the center of a distant galaxy is a supersonic jet of material that looks strikingly similar to the afterburner flow of a fighter jet, except in this case the jet engine is a [...]
Anne’s Image of the Day: The Eyes
By Annelies Rhemrev
October 22, 2012
The Eyes, a galaxy pair in Virgo
Image Credit & Copyright: Ken Crawford, Rancho Del Sol Observatory (http://www.imagingdeepsky.com and www.aicccd.com)
For larger image click here.
The Eyes (also [...]
Anne’s Image of the Day: Supernova remnant G1.9+0.3
By Annelies Rhemrev
October 21, 2012
G1.9+0.3, the youngest known supernova remnant in the Milky
Image Credit: X-ray (NASA/CXC/NCSU/S.Reynolds et al.); Radio (NSF/NRAO/VLA/Cambridge/D.Green et al.); Infrared (2MASS/UMass/IPAC-Caltech/NASA/NSF/CfA/E.Bressert)
For [...]
A Surprising Trend in Galaxy Evolution Uncovered (with Videos)
By Annelies Rhemrev
A comprehensive study of hundreds of galaxies observed by the Keck telescopes in Hawaii and NASA’s Hubble Space Telescope has revealed an unexpected pattern of change that extends back 8 billion years, or more than [...]
Anne’s Image of the Day: The Andromeda Galaxy
By Annelies Rhemrev
October 20, 2012
The Andromeda Galaxy, our large neighbour galaxy
Image Credit & Copyright: Dieter Beer (http://www.starhopper.at/) & Patrick Hochleitner (http://www.photonhunter.at)
For a larger image click here.
The [...]
Mysterious Bright Particles on Mars Found
By Annelies Rhemrev
NASA’s Mars rover Curiosity has ingested its first solid sample into an analytical instrument inside the rover, a capability at the core of the two-year mission. The rover’s Chemistry and Mineralogy (CheMin) [...]
Anne’s Image of the Day: Messier 17
By Annelies Rhemrev
October 19, 2012
Messier 17 (the Omega or Swan Nebula), the central part
Image Credit: ESO/R. Chini
For a larger image click here.
Messier 17 (also catalogued NGC 6618, and known as the Omega, Swan, Horseshoe, and Lobster [...]
The Moon was Formed in Massive Planetary Collision
By Annelies Rhemrev
New study traces Moon evaporation and leads to questions about why Earth has so much water
Fresh examinations of lunar rocks gathered by Apollo mission astronauts have yielded new insights about the Moon’s chemical makeup [...]
Anne’s Image of the Day: The Triangulum Galaxy
By Annelies Rhemrev
October 18, 2012
The Triangulum Galaxy, a nearby spiral galaxy
Image Credit & Copyright: Roth Ritter, Dark Atmospheres Astrophotography (http://www.darkatmospheres.com/astro)
For a larger image click here.
The Triangulum [...]
Earth-Like Planet Around Nextdoor Sun-Like Star Found
By Annelies Rhemrev
European astronomers have discovered a planet with about the mass of the Earth orbiting a star in the Alpha Centauri system — the nearest to Earth. It is also the lightest exoplanet ever discovered around a star like the [...]
Anne’s Image of the Day: The Heart Nebula
By Annelies Rhemrev
October 17, 2012
The Heart Nebula, an emission nebula in Cassiopeia
Image Credit & Copyright: J-P Metsavainio (http://astroanarchy.zenfolio.com/)
For a larger image click here.
The Heart Nebula (IC 1805, Sh2-190) is [...]
For the First Time an Exoplanet in a Four-Star System Discovered
By Annelies Rhemrev
The discovery of planets continues to expand beyond the domain of professional astronomers. A joint effort of amateur astronomers and scientists has led to the first reported case of a planet orbiting a double-star that, [...]
Anne’s Image of the Day: The Double Cluster
By Annelies Rhemrev
October 16, 2012
The Double Cluster, two open star clusters in Perseus
Image Credit & Copyright: Roth Ritter, Dark Atmospheres Astrophotography (http://www.darkatmospheres.com/astro)
For a larger image click here.
The [...]
Traveling Faster Than the Speed of Light?
By Annelies Rhemrev
University of Adelaide applied mathematicians have extended Einstein’s theory of special relativity to work beyond the speed of light.
Albert Einstein in 1947. Image Credit: Oren Jack Turner, Princeton, N.J.
Einstein’s [...]
Solar Wind Delivers Water to the Moon and other Solar System Bodies
By Annelies Rhemrev
Three years ago University of Tennessee, Knoxville, researchers helped to discover water on the surface of the Moon. Now, they are piecing together the origin of that water: solar wind.
This microscope image shows a grain [...]
Anne’s Image of the Day: The Red Spider Nebula
By Annelies Rhemrev
October 15, 2012
The Red Spider Nebula, a planetary nebula in Sagittarius
Image Credit: ESA & Garrelt Mellema (Leiden University, the Netherlands
For a larger image click here.
The Red Spider Nebula (NGC 6537) is a [...]
Anne’s Image of the Day: Circinus Galaxy
By Annelies Rhemrev
October 14, 2012
Circinus Galaxy, an active spiral galaxy in Circinus
Image Credit: Andrew S. Wilson (U. Maryland) et al., WFPC2, HST, NASA
For a larger image click here.
Circinus Galaxy (ESO 97-G13), is an active spiral [...]
A Dynamo on Asteroid Vesta
By Annelies Rhemrev
A meteorite found in Antarctica holds evidence of a once-active dynamo on Vesta.
About 4.6 billion years ago, the Solar System was little more than a tenuous disk of gas and dust. In the span of merely 10 million years, this [...]
Anne’s Image of the Day: The Stingray Nebula
By Annelies Rhemrev
October 13, 2012
The Stingray Nebula, a young planetary nebula in Ara
Image Credit: Matt Bobrowsky, Orbital Sciences Corporation and NASA/ESA
For a larger image click here.
The Stingray Nebula (designated Henize 1357, Hen [...]