apr 252014
 
Anne's Image of the Day: Dwarf Galaxy ESO 540-031

  April 25, 2014 ESO 540-031, a dwarf irregular galaxy in Cetus Image Credit: ESA/Hubble & NASA Acknowledgement: Luca Limatola ESO 540-031 (also known as DDO 6 and UGCA 15) is a dwarf irregular galaxy of 6,800 x 3,800 light-years in diameter, located about 11.25 million light-years away from Earth in the constellation of Cetus (the [continue reading]

dec 052013
 
Anne's Image of the Day: Spiral Galaxy NGC 247

December 5, 2013 NGC 247, an intermediate spiral galaxy in Cetus Image Credit: ESO NGC 247 (nicknamed the Needle’s Eye Galaxy) is an elongated intermediate spiral galaxy (although it’s sometimes classified as a dwarf spiral galaxy) of some 70 thousand light-years across, located about 11.1 million light-years away in the constellation of Cetus (the Whale), while [continue reading]

aug 092013
 
Anne's Image of the Day: Interacting Galaxies IC 1623

August 9, 2013 IC 1623, a pair of interacting galaxies in Cetus Image Credit: NASA, ESA, the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration, and A. Evans (University of Virginia, Charlottesville/NRAO/Stony Brook University) IC 1623 (also known as Arp 236 or VV 114) is a pair of interacting galaxies located some 250 – 300 million light-years away from [continue reading]

jul 132013
 
Anne's Image of the Day: Spiral Galaxy NGC 151

July 13, 2013 NGC 151, a barred spiral galaxy in Cetus Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona (http://skycenter.arizona.edu/gallery/Galaxies/NGC151) NGC 151 (also known as NGC 153) is a barred spiral galaxy of about 125 thousand light-years across, located some 160 million light-years away from Earth in the constellation of Cetus (the Whale). It is [continue reading]

jun 022013
 
Large Population of 'Invisible' Galaxies Discovered

  A research team led by Bunyo Hatsukade, a postdoc researcher, and Kouji Ohta, a professor, both from the Graduate School of Science, Kyoto University, revealed that approximately 80% of the unidentifiable millimeter wave signals from the Universe is actually emitted from galaxies, based on the observations with ALMA (Atacama Large Millimeter/submillimeter Array). ALMA’s high [continue reading]