News tagged with stars

Sakurai's Object: Stellar evolution in real time

(Phys.org) —Stellar lifetimes are measured in billions of years, so changes in their appearance rarely take place on a human timescale. Thus an opportunity to observe a star passing from one stage of life ...

Apr 02, 2014
4.7 / 5 (18) 0

First light for SPHERE exoplanet imager

SPHERE—the Spectro-Polarimetric High-contrast Exoplanet REsearch instrument—has been installed on ESO's Very Large Telescope at the Paranal Observatory in Chile. This powerful facility for studying exoplanets ...

Jun 04, 2014
5 / 5 (7) 0

Laser-wielding robot probes exoplanet systems

(Phys.org) —An international team, including Dr. Christoph Baranec of the University of Hawaii at Manoa's Institute for Astronomy, is using the world's first robotic laser adaptive optics system—Robo-AO— ...

Aug 05, 2014
5 / 5 (7) 0

Are ultra-luminous galaxies colliding?

(Phys.org) —ltra-luminous infrared galaxies ((ULIRGs) are galaxies whose luminosity exceeds that of a trillion suns, By way of comparison, our Milky Way galaxy has a typical modest luminosity of only about ...

Jun 27, 2014
4.7 / 5 (9) 3

New tool for galactic archaeology

(Phys.org) —Reconstructing the history of our Galaxy has just become a whole lot easier, thanks to a team of international astronomers led by Dr Luca Casagrande from the Research School of Astronomy and ...

Apr 07, 2014
5 / 5 (26) 0

Neutron star magnetic fields: Not so turbulent?

Neutron stars, the extraordinarily dense stellar bodies created when massive stars collapse, are known to host the strongest magnetic fields in the universe—as much as a billion times more powerful than ...

May 06, 2014
5 / 5 (6) 0

Stability lost as supernovae explode

Exploding supernovae are a phenomenon that is still not fully understood. The trouble is that the state of nuclear matter in stars cannot be reproduced on Earth.

May 15, 2014
3.8 / 5 (4) 0