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Telescope

— Space

Astronomers use astro-comb to seek Earth-like exoplanets

By - October 19, 2014 2 Pictures
Astronomers looking for exoplanets are using a fine-toothed comb – a fine-toothed astro-comb, to be precise. And just to make sure it works, the first planet they’ll be looking for is Venus. Developed by astronomers Chih-Hao Li and David Phillips of the Harvard-Smithsonian Center for Astrophysics, the astro-comb uses a new spectroscopic device installed in the Italian Telescopio Nazionale Galileo in the Canary Islands that will detect the beclouded planet by its gravitational effect on the Sun as a test of a potentially valuable tool in the hunt for Earth-like planets beyond our Solar System. Read More
— Space

Discovery of new molecule suggests origins of life may reside in interstellar space

By - September 29, 2014 2 Pictures
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) group of radio telescopes have discovered a carbon-based molecule with a branched structure – a common feature in molecules that are required for life to form. Contained within a giant gas cloud in the star-forming region of Sagittarius B2, the molecule of isopropyl cyanide is the first hint that other complex molecules may form in space before finding their way to the surface of planets. Read More
— Space

Dwarf galaxy suggests black holes may be more common than previously thought

By - September 19, 2014 5 Pictures
Astronomers from the University of Utah, using the Gemini North telescope on Hawaii’s Mauna Kea and images captured by the Hubble Space Telescope, have discovered a dwarf galaxy that is the smallest ever recorded with a supermassive black hole at its center. The galaxy, M60-UCD1, has been found to contain a black hole with a mass equivalent to 21 million times that of our own sun and whose presence may suggest that such enormous black holes could be more common than previously thought. Read More
— Space

ESA's bug-eyed "fly-eye" telescope to watch for Earth-threatening asteroids

By - September 12, 2014 2 Pictures
One aggravating property of the housefly is that swatting one is harder than it looks. That’s because flies have eyes designed for avoiding such a day-ruining event by detecting motion over a wide field of vision. Since asteroids have the potential to do to Earth what rolled newspapers do to flies, ESA is developing a telescope based on a fly’s eye as a new asteroid-hunting tool that could be the basis for a new asteroid defense network. Read More
— Space

Galactic supercluster identified as home to our Milky Way

By - September 3, 2014 2 Pictures
A new study has revealed that our Milky Way is a member of a group of local galaxies interconnected within a larger supercluster made up of a myriad of other galaxies, all interlinked within a tenuous web of filaments many millions of light years long. Dubbed "Laniakea" (Hawaiian for "immense sky") by astronomers working at the National Science Foundation’s (NSF's) Green Bank Telescope (GBT) and others around the world, this research defines hitherto unknown boundaries and connections in our corner of the universe. Read More
— Space

Cosmic "magnifying glass" used to identify distant colliding galaxies

By - August 29, 2014 2 Pictures
An international team of astronomers has used a range of telescopes including the Atacama Large Millimeter/submillimeter Array (ALMA) to observe a pair of galaxies colliding at a time when the universe was just half its current age. The project made use of a gravitational magnifying glass created by the gravity of a galaxy between Earth and the subject, and required observations in both visible and infrared light. Read More
— Space

First-ever 3D-printed space telescopes nearing completion

By - August 9, 2014 2 Pictures
Telescopes are very simple devices in theory, but getting one to work in space means a complex assembly of mechanical parts that is expensive, difficult to build, and hard to operate in the hostile environment outside the Earth’s atmosphere. To simplify things, NASA aerospace engineer Jason Budinoff is working on the first space telescope made entirely from 3D-printed parts. Read More
— Space

Titanic eruptions on Io could lead to better understanding of Earth's surface formation

By - August 7, 2014 2 Pictures
A series of three massive volcanic eruptions detected on the surface of Jupiter's moon Io in August last year, has the potential to yield insights into the formation process of the surface of Earth-like planets. By any standards, these eruptions were enormous, characterized as titanic curtains of lava issuing forth from fissures several miles in length, that spewed massive amounts of material high above the moon's surface. Read More
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