Anne's Image of the Day: Jonckheere 900 Planetary Nebula

Anne’s Image of the Day: Jonckheere 900 Planetary Nebula

November 26, 2013 Jonckheere 900, a planetary nebula in Gemini Image Credit: Josh Barrington, ESA/Hubble & NASA Jonckheere 900 or J 900 (also known as PN G194.2+02.5) is a planetary nebula that lies about 16,000 light-years away from Earth in the constellation of Gemini (the Twins, Castor & Pollux), while it is receding from us [continue reading]

Anne's Image of the Day: Open Cluster Messier 103

Anne’s Image of the Day: Open Cluster Messier 103

November 25, 2013 Messier 103, an open cluster in Cassiopeia Image Credit: Hillary Mathis, N.A.Sharp/NOAO/AURA/NSF Messier 103 (also known as NGC 581) is a young, about 25 million years old, open cluster of about 15 light-years across, located 8,000 to 9,500 light-years away from the Earth in the northern constellation of Cassiopeia (the Seated Queen). [continue reading]

Anne's Image of the Day: The Manatee Nebula

Anne’s Image of the Day: The Manatee Nebula

November 24, 2013 The Manatee Nebula, a supernova remnant in Aquila Image Credits: NRAO/AUI/NSF, K. Golap, M. Goss; NASA’s Wide Field Survey Explorer (WISE) The Manatee Nebula (also known as W50 or SNR G039.7-02.0) is a supernova remnant of nearly 700 light-years across, located about 18,000 light-years away from Earth in the northern constellation of [continue reading]

Infant Galaxies Merging Near ‘Cosmic Dawn’

Infant Galaxies Merging Near ‘Cosmic Dawn’

  Astronomers using the combined power of the Atacama Large Millimeter/submillimeter Array (ALMA) telescope and NASA’s Hubble Space Telescope have discovered a far-flung trio of primitive galaxies nestled inside an enormous blob of primordial gas nearly 13 billion light-years from Earth. This composite image reveals the structure of Himiko, an object representing the merger of [continue reading]

Anne's Image of the Day: Spiral Galaxy NGC 7424

Anne’s Image of the Day: Spiral Galaxy NGC 7424

November 23, 2013 NGC 7424, a barred spiral galaxy in Grus Image Credit: ESO NGC 7424 is a barred spiral galaxy of some 100,000 light-years across, located about 37.5 million light-years away from Earth in the southern constellation of Grus (the Crane), while it is receding from us at approximately 939 kilometers per second. It [continue reading]

New Models Aid the Search for Earth-Like Planets

New Models Aid the Search for Earth-Like Planets

  Researchers from Bern have developed a method to simplify the search for Earth-like planets: By using new theoretical models they rule out the possibility of Earth-like conditions, and therefore life, on certain planets outside our Solar System – and limit their search by doing so. An artist’s perception of the planet Kepler-22b, discovered by the Kepler Space Telescope. [continue reading]