Manju Dhat

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Airglow Ripples over Tibet

September 5, 2014 by kreativemd Leave a Comment

Explanation: “Why would the sky look like a giant target? Airglow. Following a giant thunderstorm over Bangladesh in late April, giant circular ripples of glowing air appeared over Tibet, China, as pictured above. The unusual pattern is created by atmospheric gravity waves, waves of alternating air pressure that can grow with height as the air thins, in this case about 90 kilometers up. Unlike auroras powered by collisions with energetic charged particles and seen at high latitudes, airglow is due to chemiluminescence, the production of light in a chemical reaction. More typically seen near the horizon, airglow keeps the night sky from ever being completely dark. ” – NASA

Source: Nasa

Filed Under: Uncategorized Tagged With: astrophotography, nasa, space

Lagoon Nebula

August 20, 2014 by kreativemd Leave a Comment

Explanation: “The center of the Lagoon Nebula is a whirlwind of spectacular star formation. Visible near the image center, at least two long funnel-shaped clouds, each roughly half a light-year long, have been formed by extreme stellar winds and intense energetic starlight. The tremendously bright nearby star, Herschel 36, lights the area. Walls of dust hide and redden other hot young stars.

As energy from these stars pours into the cool dust and gas, large temperature differences in adjoining regions can be created generating shearing winds which may cause the funnels. This picture, spanning about 5 light years, combines images taken by the orbiting Hubble Space Telescope. The Lagoon Nebula, also known as M8, lies about 5,000 light years distant toward the constellation of Sagittarius.” – NASA

Source: Nasa

Filed Under: News Tagged With: hubble, lagoon nebula, nasa, universe

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manjudhat

You know it's just one of those things... sigh. On You know it's just one of those things... sigh. One of the lenses of my glasses is rose tinted and the other has become more discerning. #Grateful for this way of life. Thank you for comg to my Ted Talk 😆
Neighbor's #carnations #flowers #itsstillspring Neighbor's #carnations #flowers #itsstillspring
something about #publicart working with #nature . something about #publicart working with #nature .
Let it #snow Let it #snow
I can never tire of watching a good #sunset or #su I can never tire of watching a good #sunset or #sunrise .
the proverbial, "stop to smell the roses" . the proverbial, "stop to smell the roses" .
When you're babysitting your niece and nephew and When you're babysitting your niece and nephew and you're trying to read.
When someone you love has some tough days with the When someone you love has some tough days with their #health and all you've got are hopes and prayers... this #view says it all. One thing I know, the ones who have nothing pertaining to economics and still will give their shirt off their back ... it's because of those actions #prayers are heard. Mitakuye Oyasin
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