News tagged with optical telescopes

NASA designs new space telescope optics

Although hundreds of planets orbiting other stars have been discovered in the past 15 years, we cannot yet answer the age-old question of whether any of these planets are capable of sustaining life. However, ...

Feb 15, 2013
4.7 / 5 (14) 15 | with audio podcast

The origin and maintenance of a retrograde exoplanet

Astronomers have used the Subaru Telescope to show that the HAT-P-7 planetary system, which is about 1040 light years from Earth in the constellation Cygnus, includes at least two giant planets and one companion ...

Jan 25, 2013
5 / 5 (4) 2 | with audio podcast

A microquasar makes a giant Manatee Nebula

(Phys.org)—A new view of a 20,000-year old supernova remnant demonstrates the upgraded imaging power of the National Science Foundation's (NSF) Karl G. Jansky Very Large Array (VLA) and provides more clues ...

Jan 19, 2013
4.9 / 5 (9) 0 | with audio podcast

An image gallery gift from Swift satellite

(Phys.org)—Of the three telescopes carried by NASA's Swift satellite, only one captures cosmic light at energies similar to those seen by the human eye. Although small by the standards of ground-based observatories, ...

Dec 28, 2012
4.5 / 5 (8) 5

How white dwarfs mimic black holes

(Phys.org)—A remarkable observation by astronomers from the University of Southampton has been published in one of the world's foremost astrophysics research journals.

Dec 17, 2012
4.8 / 5 (6) 8 | with audio podcast

Highly inflated Jupiters

There are currently 851 confirmed extra-solar planets. Of these, 289 were detected because their orbits (as seen from Earth) take them across the face of their host star, dimming the star's light in a transit ...

Dec 10, 2012
4.2 / 5 (5) 0 | with audio podcast

Abell 30: X-rays from a Reborn Planetary Nebula

(Phys.org)—These images of the planetary nebula Abell 30, (a.k.a. A30), show one of the clearest views ever obtained of a special phase of evolution for these objects. The inset image on the right is a ...

Nov 15, 2012
5 / 5 (5) 1 | with audio podcast

Super-massive black hole inflates giant bubble

Like symbiotic species, a galaxy and its central black hole lead intimately connected lives. The details of this relationship still pose many puzzles for astronomers. Some black holes actively accrete matter. ...

Oct 29, 2012
4.9 / 5 (15) 108 | with audio podcast

A new class of extragalactic objects

A blazar is a galaxy with an intensely bright central nucleus containing a supermassive black hole, much like a quasar. The difference is that a blazar can emit light with extremely high energy gamma rays ...

Oct 29, 2012
3.9 / 5 (14) 1 | with audio podcast