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Tag Archives: light

A Poem by Rabindranath Tagore : Light

Light Light, my light, the world-filling light, the eye-kissing light, heart-sweetening light! Ah, the light dances, my darling, at the center of my life; the light strikes, my darling, the chords of my love; the sky opens, the wind runs ...

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Why NASA studies the ultraviolet sun

Spacecraft record solar activity as a binary code, 1s and 0s, which computer programs can translate into black and white. Scientists colorize the images for realism, and then zoom in on areas of interest. Credit: NASA/Karen Fox Why NASA studies ...

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What is a Quasar

  Perhaps one of the most perplexing mysteries in current astrophysics is the science behind Quasars. Quasars, or “quasi-stellar radio sources” are the brightest and most distant star-like objects in the known universe. In fact, they are so bright and ...

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Hubble

 The 32,000–word novella The Time Machine by H.G. Wells, published in 1895, is generally credited with popularizing the idea of time travel by means of a time machine, a vehicle which takes the occupant backward or forward in time. Dozens ...

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Supernova remnant Cassiopeia A

This stunning false-color picture shows off the many sides of the supernova remnant Cassiopeia A. It is made up of images taken by three of NASA’s Great Observatories, using three different wavebands of light. Infrared data from the Spitzer Space ...

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