News tagged with infrared wavelengths

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Image: Dark reflections in the Southern Cross

NASA's Wide-field Infrared Survey Explorer, or WISE, captured this colorful image of the reflection nebula IRAS 12116-6001. This cloud of interstellar dust cannot be seen directly in visible light, but WISE's ...

Oct 28, 2010
4.5 / 5 (4) 0

Imaging the planet-sized companion of a nearby star

(PhysOrg.com) -- Of the nearly 500 extra-solar planets that have been confirmed to date, only about a dozen have actually been seen in images. Because planets are so much fainter than their host stars, special ...

Oct 15, 2010
4.8 / 5 (13) 2 | with audio podcast

Sizes for potentially dangerous asteroids

Near Earth Objects (NEOs) are asteroids or comets whose orbits sometimes take them close to the earth's orbit. An NEO could therefore someday collide with the earth -- and there are almost 7000 of them known, ...

Aug 27, 2010
4.6 / 5 (15) 1 | with audio podcast

Recreating Venus in the Lab

Scientists are reproducing the environment of Venus so that they can interpret observations of the planet's surface and atmosphere. Studying environmental processes on Venus can help astrobiologists better ...

Aug 04, 2010
5 / 5 (5) 3 | with audio podcast

New inexpensive solar cell design

One of the most promising technologies for making inexpensive but reasonably efficient solar photovoltaic cells just got much cheaper. Scientists at the University of Toronto in Canada have shown that inexpensive nickel can ...

Aug 03, 2010
4.8 / 5 (15) 0 | with audio podcast

Infrared camera provides a better view

Infrared cameras see more than the naked eye and can make road traffic safer. Cameras for the long-wave infrared range, however, have the disadvantage that the sensor requires constant cooling, which adds ...

Jul 01, 2010
not rated yet 0

Jumbo Jellyfish or Massive Star?

(PhysOrg.com) -- Some might see a blood-red jellyfish in a forest of seaweed, while others might see a big, red eye or a pair of lips. In fact, the red-colored object in this new infrared image from NASA's ...

Jun 17, 2010
4.2 / 5 (5) 0

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

VISTA views the Sculptor Galaxy (w/ Video)

(PhysOrg.com) -- A spectacular new image of the Sculptor Galaxy (NGC 253) has been taken with the ESO VISTA telescope at the Paranal Observatory in Chile as part of one of its first major observational campaigns. ...

Jun 16, 2010
4.9 / 5 (11) 0 | with audio podcast