BlogArena

General blog about anything and everything of everyday's life.

20. Oct 2019

August 5, 2014
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The Most Precise Measurement of an Alien World’s Size

Thanks to NASA’s Kepler and Spitzer Space Telescopes, scientists have made the most precise measurement ever of the radius of a planet outside our solar system. The size of the exoplanet, dubbed Kepler-93b, is now known to an uncertainty of … Continue reading

February 23, 2014
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The Shocking Behavior of a Speedy Star

Roguish runaway stars can have a big impact on their surroundings as they plunge through the Milky Way galaxy. Their high-speed encounters shock the galaxy, creating arcs, as seen in this newly released image from NASA’s Spitzer Space Telescope. In … Continue reading

July 31, 2013
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Eye-tracking could outshine passwords if made user-friendly

It’s a wonder we still put up with passwords. We forget our highly secretive combinations, so we frequently have them reset and sent to our cellphones and alternative email addresses. We come up with clever jumbles of letters and words, … Continue reading

December 23, 2012
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Shot Away from its Companion, Giant Star Makes Waves

Like a ship plowing through still waters, the giant star Zeta Ophiuchi is speeding through space, making waves in the dust ahead. NASA’s Spitzer Space Telescope has captured a dramatic, infrared portrait of these glowing waves, also known as a … Continue reading

October 27, 2011
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‘Pacman’ Nebula Gets Some Teeth

To visible-light telescopes, this star-forming cloud appears to be chomping through the cosmos, earning it the nickname the “Pacman” nebula, like the famous Pac-Man video game that debuted in 1980. When viewed in infrared light by NASA’s Wide-field Infrared Survey … Continue reading

April 5, 2011
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The Art of Making Stars

It might look like an abstract painting, but this splash of colors is in fact a busy star-forming complex called Rho Ophiuchi. NASA’s Wide-field Infrared Explorer, or WISE, captured the picturesque image of the region, which is one of the … Continue reading

March 5, 2011
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Spitzer Captures Infrared Rays From a Sunflower

The various spiral arm segments of the Sunflower galaxy, also known as Messier 63, show up vividly in this image taken in infrared light by NASA’s Spitzer Space Telescope. Infrared light is sensitive to the dust lanes in spiral galaxies, … Continue reading