News tagged with spitzer space telescope

Earth's dust tail points to alien planets

Did you know that the Earth has a dust tail? The Spitzer Space Telescope sailed right through it a few months ago, giving researchers a clear idea of what it looks like. That could be a big help to planet ...

Nov 15, 2010
4.8 / 5 (15) 0 | with audio podcast

The outbursts of Fornax

(PhysOrg.com) -- The galaxy Fornax A, at a distance of about 74 million light-years, is one of the nearest and brightest galaxies with giant radio lobes. These huge radio lobes -- they span a million light-years ...

Oct 01, 2010
5 / 5 (7) 4 | with audio podcast

Destroyer of worlds

(PhysOrg.com) -- Astronomers, in addition to discovering extrasolar planets (about 500 of them currently have known orbital parameters), have detected excess, warm infrared dust emission around many stars.

Sep 24, 2010
4.8 / 5 (16) 8 | with audio podcast

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