Portrait of NGC 281

By: vivian on sexta-feira, novembro 28, 2014

Look through the cosmic cloud cataloged as NGC 281 and you might miss the stars of open cluster IC 1590. But, formed within the nebula, that cluster's young, massive stars ultimately power the pervasive nebular glow. The eye-catching shapes looming in this portrait of NGC 281 are sculpted columns and dense dust globules seen in silhouette, eroded by intense, energetic winds and radiation from the hot cluster stars. If they survive long enough, the dusty structures could also be sites of future star formation. Playfully called the Pacman Nebula because of its overall shape, NGC 281 is about 10,000 light-years away in the constellation Cassiopeia. This sharp composite image was made through narrow-band filters, combining emission from the nebula's hydrogen, sulfur, and oxygen atoms in green, red, and blue hues. It spans over 80 light-years at the estimated distance of NGC 281.



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ageofdestruction: naamah: Clouds on Mars, photographed by Mars...

By: vivian on sexta-feira, novembro 28, 2014

ageofdestruction:

naamah: Clouds on Mars, photographed by Mars Express, 14th October 2010.

34 to 45°S, 36 to 39°E, where Noachis Terra slopes down into the western Hellas Basin.

Animation of 5 monochrome images, colourized with a composite of 3 visible light images. Colour balance is not naturalistic.

Image credit: ESA. Animation: AgeOfDestruction.

age

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Today we’ve got six ways you can lose that holiday weight!

By: vivian on sexta-feira, novembro 28, 2014

Today we’ve got six ways you can lose that holiday weight!

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If you like psychology, you’ll love —>...

By: vivian on sexta-feira, novembro 28, 2014

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Black Hole Friday

By: vivian on sexta-feira, novembro 28, 2014

In this artist's illustration, turbulent winds of gas swirl around a black hole. Some of the gas is spiraling inward toward the black hole, but another part is blown away. A black hole is a place in space where gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star is dying. Because no light can get out, people can't see black holes. They are invisible. Space telescopes with special tools can help find black holes. The special tools can see how stars that are very close to black holes act differently than other stars. How Big Are Black Holes? Black holes can be big or small. Scientists think the smallest black holes are as small as just one atom. These black holes are very tiny but have the mass of a large mountain. Mass is the amount of matter, or "stuff," in an object. More information on black holes. Artwork Credit: NASA, and M. Weiss (Chandra X -ray Center)



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November 28th 1893: Women first vote in New Zealand On this day...

By: vivian on sexta-feira, novembro 28, 2014

November 28th 1893: Women first vote in New Zealand

On this day in 1893 in the New Zealand general election, women voted for the first time in a national election. Women’s suffrage had passed that September following a campaign inspired by British and American activists. The election saw 75.3% turnout and elected members to the New Zealand Parliament and saw the election of the first woman mayor in the British Empire (Elizabeth Yates of Onehunga). The Liberal Party won and Richard Seddon became Prime Minister. New Zealand thus became the first nation with universal suffrage, as Māori women were also granted the vote. Women did not gain the right to stand for New Zealand Parliament until 1919.

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ON THIS DAY IN THE HISTORY OF PSYCHOLOGY (28th November...

By: vivian on sexta-feira, novembro 28, 2014

ON THIS DAY IN THE HISTORY OF PSYCHOLOGY (28th November 1904)

Hans Wallach was born.

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