News tagged with spitzer space telescope

Spitzer Finds a Flavorful Mix of Asteroids

(PhysOrg.com) -- New research from NASA's Spitzer Space Telescope reveals that asteroids somewhat near Earth, termed near-Earth objects, are a mixed bunch, with a surprisingly wide array of compositions. Like ...

Sep 02, 2010
5 / 5 (8) 2 | with audio podcast

Image: A Galactic Spectacle

A beautiful new image of two colliding galaxies has been released by NASA's Great Observatories. The Antennae galaxies, located about 62 million light-years from Earth, are shown in this composite image from ...

Aug 05, 2010
4.7 / 5 (18) 1 | with audio podcast

Newborn stars discovered in dark cosmic cloud

A wave of massive star formation appears poised to begin within a mysterious, dark cloud in the Milky Way. NASA's Spitzer Space Telescope has revealed a secluded birthplace for stars within a wispy, dark ...

Jul 07, 2010
4.9 / 5 (12) 1 | with audio podcast

Astronomers Witness a Star Being Born

(PhysOrg.com) -- Astronomers have glimpsed what could be the youngest known star at the very moment it is being born. Not yet fully developed into a true star, the object is in the earliest stages of star ...

Jun 17, 2010
4.8 / 5 (21) 40 | with audio podcast

Bok Globules

(PhysOrg.com) -- Bok globules are small interstellar clouds of very cold gas and dust that are so thick they are nearly totally opaque to visible light, although they can be studied with infrared and radio ...

Jun 04, 2010
5 / 5 (8) 1 | with audio podcast

Colony of Young Stars Shines in New Spitzer Image

(PhysOrg.com) -- Astronomers have their eyes on a hot group of young stars, watching their every move like the paparazzi. A new infrared image from NASA's Spitzer Space Telescope shows the bustling star-making ...

Apr 01, 2010
4.7 / 5 (6) 0 | with audio podcast

The Cosmic Distance Scale

(PhysOrg.com) -- In 1908, Harvard astronomer Henrietta Swan Leavitt discovered that a class of stars called Cepheids have brightnesses that vary regularly with periods that are directly related to their intrinsic ...

Jan 29, 2010
4.6 / 5 (19) 0 | with audio podcast

Surveying the X-ray Sky

(PhysOrg.com) -- Astronomers have only modest laboratories to probe the mysteries of the cosmos. Mostly they have to rely on meticulous and clever observations of remote phenomena.

Jan 11, 2010
5 / 5 (6) 0 | with audio podcast

Centuries-Old Star Mystery Coming to a Close

(PhysOrg.com) -- For almost two centuries, humans have looked up at a bright star called Epsilon Aurigae and watched with their own eyes as it seemed to disappear into the night sky, slowly fading before coming ...

Jan 05, 2010
4.9 / 5 (16) 1 | with audio podcast