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Laura Sanchez
Lived in Tucson
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Χαράλαμπος Τερζίδης's profile photoEnchantress Delavellano's profile photoAlexander Stamenov's profile photo
 
yo he visto las enjambres de estrellas ....y aún puedo verlas,  gracias
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Laura Sanchez

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Good morning! An unusual perspective on Earth's aurora - the Southern Lights, full circle over Antarctica.
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Gaia!
 
Gaia: Launch to Orbit Animation | European Space Agency
Animation showing Gaia launch and journey to its operating orbit. The animation begins by visualizing the launch from Europe's Spaceport in Kourou, French Guiana, on a Soyuz-STB/Fregat-MT vehicle. The rocket's four boosters are jettisoned 118 seconds after launch, and the spacecraft fairing is jettisoned after 220 seconds.

Following two burns, the Fregat upper stage separates from Gaia 42 minutes after launch. The separation activates an automatic sequence onboard Gaia, including switching on the spacecraft's transmitters, pressurisation of the propulsion system, initial attitude acquisition and deployment of the sunshield. By then Gaia will be on its transfer orbit from Earth towards L2, a virtual point in space some 1.5 million kilometres 'behind' Earth as seen from the Sun.

Gaia will take about a month to cruise and maneuver into a 'Lissajous' orbit around L2. The size of the orbit is typically 340 000 x 90 000 km and takes 180 days. There, Gaia will spin slowly in order to make systematic repeated observations of stars covering the whole sky with its two telescopes. Over its five-year mission, Gaia will monitor the positions, motions, temperatures, luminosities and compositions of a billion stars.

+European Space Agency, ESA 

#ESA #Gaia #Camera #Billion #Pixel #Galaxy #Star #Astronomy
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John S
 
Really amazing thanks for sharing
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Laura Sanchez

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∞
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John S
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Really beautiful, like the way sun is hiding behind the clouds Really great photo. Thanks for sharing
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And lift off of the MAVEN spacecraft on a journey to Mars aboard an Atlas 5 rocket: 
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Laura Sanchez

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Visualizing 100,000 asteroids at once is of course beautiful

Alex Parker is an astronomer at UC–Berkeley, where he researches minor planets—asteroids, Kuiper Belt Objects (giant ice balls orbiting past Neptune), and more. Here over 100,000 asteroids and their colors, as seen by a single remarkable survey telescope.

This animation shows the orbital motions of over 100,000 of the asteroids observed by the Sloan Digital Sky Survey (SDSS), with colors illustrating the compositional diversity measured by the SDSS five-color camera. The relative sizes of each asteroid are also illustrated.

video> http://vimeo.com/87092212

Article: http://www.slate.com/blogs/bad_astronomy/2014/02/24/asteroid_families_video_shows_color_and_orbits_of_100000_asteroids.html

#ScienceSunday   #DataAsArt   #asteroids   #astrophysics  
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Χαράλαμπος Τερζίδης's profile photoJohn S's profile photo
John S
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Really beautiful and amazing   Really nice share ,,  thanks 
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Laura Sanchez

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When Science is Art: a New Map of Wind Patterns

This interactive visualization of wind patterns — modeled from the U.S. National Weather Service’s Global Forecast System database — provides nearly current weather conditions on the global scale. And it’s beautiful.

Read more: http://www.universetoday.com/107271/when-science-is-art-a-new-map-of-wind-patterns/#ixzz2npcv5F5R
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Cuauhtemoc Avila Gonzalez's profile photoAlexander Stamenov's profile photo
 
Genial.
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Laura Sanchez

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eks eks x's profile photoSagnik Sarkar's profile photoJohn S's profile photo
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A magnificent one, +Laura Sanchez!
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