Anne's Picture of the Day: The Fine Ring Nebula

Anne’s Picture of the Day: The Fine Ring Nebula

February 26, 2013 The Fine Ring Nebula, a planetary nebula in Norma Image Credit: ESO The Fine Ring Nebula (also known as Shapley 1 (Sp 1) after its discoverer Harlow Shapley, or PLN 329+2.1) is an unusual ring-shaped planetary nebula that lies some 1000 light-years from Earth in the southern constellation of Norma. Despite their [continue reading]

Asteroids with Comet-Like Trails

Asteroids with Comet-Like Trails

  Unlike comets, asteroids are not characterized by exhibiting a trail, but there are now ten exceptions. Spanish researchers have observed one of these rare asteroids from the Gran Telescopio Canarias (Spain) and have discovered that something happened around the 1st July 2011 causing its trail to appear: maybe internal rupture or collision with another asteroid. This [continue reading]

Anne's Picture of the Day: The Sculptor Galaxy

Anne’s Picture of the Day: The Sculptor Galaxy

February 25, 2013 The Sculptor Galaxy, a bright intermediate spiral galaxy Image Credit: ESO/IDA/Danish 1.5 m/ R. Gendler, U. G. Jørgensen, J. Skottfelt, K. Harpsøe The Sculptor Galaxy (also known as the Silver Dollar Galaxy or NGC 253) is a bright intermediate spiral galaxy of about 70 thousand light-years across that lies some 11,4 million light-years [continue reading]

Anne's Picture of the Day: The Dumbbell Nebula

Anne’s Picture of the Day: The Dumbbell Nebula

February 24, 2013 The Dumbbell Nebula, a planetary nebula in Vulpecula Image Credit & Copyright: R. Jay GaBany (http://www.cosmotography.com) The Dumbbell Nebula (designated Messier 27 or NGC 6853) is a very bright planetary nebula with a radius of about 1.44 light-year, located some 1,360 light-years away in the northern constellation of Vulpecula (the Fox), while [continue reading]

Can Extraterrestrial Life be Detected by a New Telescope?

Can Extraterrestrial Life be Detected by a New Telescope?

  Astronomers from Leiden University and the Netherlands Institute for Space Research (SRON) think it may be possible to detect signs of extraterrestrial life within the next 25 years… without the need for a space mission. Their article about this will be published in The Astrophysical Journal. Artist’s impression of the European Extremely Large Telescope [continue reading]

Anne's Picture of the Day: Irregular Galaxy NGC 1427A

Anne’s Picture of the Day: Irregular Galaxy NGC 1427A

February 23, 2013 NGC 1427A, an irregular galaxy in Eridanus Image Credit: NASA, ESA, and The Hubble Heritage Team (STScI/AURA) NGC 1427A is a dwarf irregular galaxy of more than 20,000 light-years long that lies about 52 million light-years away from Earth in the constellation of Eridanus, while it is receding from us at roughly [continue reading]