jun 292013
Anne's Picture of the Day: Spiral Galaxy NGC 2403

June 29, 2013 NGC 2403, a spiral galaxy in Camelopardalis Image Credit: Image Data: Subaru Telescope (NAOJ), Hubble Legacy Archive; Processing: Robert Gendler (http://www.robgendlerastropics.com) NGC 2403 is an intermediate spiral galaxy of some 50,000 light years across, located about 10.4 million light-years away from Earth in the northern constellation of Camelopardalis (the Giraffe), while it [continue reading]

mei 232013
Anne's Picture of the Day: Pulsar PSR B1509-58

May 23, 2013 PSR B1509-58, a pulsar in Circinus Image Credit: NASA/CXC/SAO/P.Slane, et al. PSR B1509-58 (B1509 for short) is a 1700 years old pulsar that lies about 17,000 light-years away from Earth in the southern constellation of Circinus (the Compass). It is surrounded by an X-ray nebula that spans about 150 light-years, and is [continue reading]

apr 052013
Farthest Type Ia Supernova So Far Discovered

  NASA’s Hubble Space Telescope has found the farthest supernova so far of the type used to measure cosmic distances. Supernova UDS10Wil, nicknamed SN Wilson after American President Woodrow Wilson, exploded more than 10 billion years ago. This is a Hubble Space Telescope view of supernova SN UDS10Wil, nicknamed SN Wilson that exploded over 10 [continue reading]

mrt 282013
Titanium Oxides Around a Giant Star Discovered

  Astronomers detect titanium oxide and titanium dioxide around the giant star VY Canis Majoris An international team of astronomers, including researchers from the Max Planck Institute for Radio Astronomy and from the University of Cologne, successfully identified two titanium oxides in the extended atmosphere around a giant star. The object VY Canis Major is [continue reading]

mrt 082013
A Rare Young-Looking Supernova in an Old Galaxy

  The star Eta Carinae is ready to blow. 170 years ago, this 100-solar-mass object belched out several suns’ worth of gas in an eruption that made it the second-brightest star after Sirius. That was just a precursor to the main event, since it will eventually go supernova. Eta Carinae, situated about 8000 light-years away [continue reading]