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osvaldo villalba
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Guía de cosas a tener en cuenta antes de empezar la reforma de tu vivienda.
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Consejos fundamentales para reformar tu vivienda. Todo lo que debes saber para realizar obras en casa con éxito.
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We have a mission to Mars! | European Space Agency/Roscosmos
Signal from ExoMars 2016 spacecraft received! Congratulations!
Separation of ExoMars Trace Gas Orbiter from Proton-M/Breeze-M upper rocket stage and deployment of solar arrays also confirmed!

Credit: European Space Agency (ESA)
Date: March 14, 2016

+European Space Agency, ESA 
+Thales 

#ESA #Space #Astronomy #Mars #ExoMars #ExoMars2016
#ProtonM #Proton #Rocket #Science #Trace #Gas #Orbiter
#Schiaparelli #Atmosphere #Spacecraft #RedPlanet #Roscosmos #Роскосмос #Russia #Россия #Thales #Alenia
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An EPIC Solar Eclipse | Deep Space Climate Observatory (DSCOVR)
The Deep Space Climate Observatory (DSCOVR) was built to provide a distinct perspective on our planet. Yesterday, it added another first to its collection of unique snapshots. While residents of islands and nations in the Western Pacific looked up in the early morning hours to observe a total eclipse of the Sun, DSCOVR looked down from space and captured the shadow of the Moon marching across Earth’s sunlit face.

The animation above was assembled from 13 images acquired on March 9, 2016, by NASA’s Earth Polychromatic Imaging Camera (EPIC), a four-megapixel charge-coupled device (CCD) and Cassegrain telescope on the DSCOVR satellite. Click on the link below the animation to download the individual images from the series.

“What is unique for us is that being near the Sun-Earth line, we follow the complete passage of the lunar shadow from one edge of the Earth to the other,” said Adam Szabo, NASA’s project scientist for DSCOVR. “A geosynchronous satellite would have to be lucky to have the middle of an eclipse at noon local time for it. I am not aware of anybody ever capturing the full eclipse in one set of images or video.”

In this, the only total solar eclipse of 2016, the shadow of the new Moon starts crossing the Indian Ocean and marches past Indonesia and Australia into the open waters and islands of Oceania (Melanesia, Micronesia, and Polynesia) and the Pacific Ocean. Note how the shadow moves in the same direction as Earth rotates. The bright spot in the center of each disk is sunglint—the reflection of sunlight directly back at the EPIC camera.

From its position about 1.6 million kilometers (1 million miles) from Earth and toward the Sun, DSCOVR maintains a constant view of the sunlit face of the planet. EPIC acquires images using ten different spectral filters—from ultraviolet to near infrared—to produce a variety of science products. Natural-color images are generated by combining three separate monochrome exposures (red, green, and blue channels) taken in quick succession.

According to Szabo, the satellite normally collects images at all ten wavelengths about once every 108 minutes (with just one image at full resolution). For this eclipse, the EPIC team collected full-resolution images every 20 minutes on just the red, green, and blue channels. This allowed the satellite to collect 13 images spanning the entire four hours and twenty minutes of the eclipse.

In addition to the EPIC camera, DSCOVR carries the National Institute of Standards and Technology Advanced Radiometer (NISTAR), an instrument that measures how much solar energy is being radiated back into space from Earth. In coming weeks, scientists will be analyzing NISTAR data to quantify how the eclipse changed the incoming and outgoing radiation for those few hours.

Situated in a stable orbit between the Sun and Earth, DSCOVR’s primary mission is to monitor the solar wind for space weather forecasters at the National Oceanic and Atmospheric Administration (NOAA). Its secondary mission is to provide daily color views of our planet as it rotates through the day. The satellite was built and launched through a partnership between NASA, NOAA, and the U.S. Air Force.

Image Credit: NASA image courtesy of the DSCOVR EPIC team.
NASA Earth Observatory animation by Joshua Stevens.
Caption Credit: Mike Carlowicz
Instrument(s): DSCOVR - EPIC

#NASA #Astronomy #Space #Satellite #Science #Earth #Sun #Solar #Eclipse #Moon #Eclipse2016 #Asia #Southeast #Pacific #Ocean #Micronesia #Atmosphere #Skywatching #STEM #Education #Astrophotography #Photography #Art #DSCOVR #NOAA #AlGore 
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💗★ Día Internacional de La Mujer ★💗
No quería dejar pasar la oportunidad de felicitar a todas las mujeres un día tan especial. ^_*
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Get a good night's sleep, space fans. Tomorrow is a big day. 
A total solar eclipse and asteroid flyby will make Tuesday a most interesting day for skywatching.
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Universe Timeline | NASA's Hubble Space Telescope
This graphic shows a timeline of the universe, stretching from the present day (left) all the way back to the big bang (right). The position of the record-breaking galaxy GN-z11 is shown not far from where the first stars began to form. The previous record holder's position is also identified.

Credit: NASA, ESA, P. Oesch (Yale University), G. Brammer (STScI), P. van Dokkum (Yale University), and G. Illingworth (University of California, Santa Cruz)
Release Date: March 3, 2016

+Hubble Space Telescope 

#NASA #Hubble #Astronomy #Space #Science #Galaxy #GNz11 #UrsaMajor #Redshift #Distance #BigBang #Cosmos #Universe #Telescope #Optical #Spitzer #Infrared #ESA #STScI #Illustration #Infographic
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An 'EPIC' Eclipse

The Deep Space Climate Observatory (DSCOVR) was built to provide a distinct perspective on our planet. On March 9, 2016, it added another first to its collection of unique snapshots. While residents of islands and nations in the Western Pacific looked up in the early morning hours to observe a total eclipse of the Sun, DSCOVR looked down from space and captured the shadow of the Moon marching across Earth’s sunlit face.

The animation below was assembled from 13 images acquired on March 9, 2016, by NASA’s Earth Polychromatic Imaging Camera (EPIC), a four-megapixel charge-coupled device (CCD) and Cassegrain telescope on the DSCOVR satellite. 

“What is unique for us is that being near the Sun-Earth line, we follow the complete passage of the lunar shadow from one edge of the Earth to the other,” said Adam Szabo, NASA’s project scientist for DSCOVR. “A geosynchronous satellite would have to be lucky to have the middle of an eclipse at noon local time for it. I am not aware of anybody ever capturing the full eclipse in one set of images or video.”

In this, the only total solar eclipse of 2016, the shadow of the new Moon starts crossing the Indian Ocean and marches past Indonesia and Australia into the open waters and islands of Oceania (Melanesia, Micronesia, and Polynesia) and the Pacific Ocean. Note how the shadow moves in the same direction as Earth rotates. The bright spot in the center of each disk is sunglint —the reflection of sunlight directly back at the EPIC camera.

Japan’s Himawari-8 satellite also captured a series of images showing the procession of the shadow during this eclipse, which *you can view here">>
http://cimss.ssec.wisc.edu/goes/blog/archives/20899

Read the full story>>
http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=87675

Further reading

► Sunglint>> https://en.wikipedia.org/wiki/Sunglint


#solar_system, #moonshadow , #totalsolareclipse_march9_2016 , #EPIC , #DSCOVRsatellite , #NASA , #sunglint , #space , #Moon , #Sun , #Earth
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 Se viene el proceso de ruptura del Glaciar Perito Moreno... en el Parque Nacional Los Glaciares...Argentina
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March 2016 Total Solar Eclipse Path [Animation] | NASA Goddard
The animated shadow path of the March 9, 2016 total solar eclipse, showing the umbra (black oval), penumbra (concentric shaded ovals), and path of totality (red) through Indonesia and the western Pacific [no audio]. On Wednesday, March 9, 2016 (Tuesday evening in the Americas), the Moon will pass in front of the Sun, casting its shadow across Southeast Asia and the western Pacific. The shadow crosses the International Date Line, entering March 8, and passes Hawaii before it slides off the edge of the Earth.

The Moon's shadow can be divided into areas called the umbra and the penumbra. Within the penumbra, the Sun is only partially blocked, and observers experience a partial eclipse. The much smaller umbra lies at the very center of the shadow cone, and anyone there sees the Moon entirely cover the Sun in a total solar eclipse.

In the animation, the umbra is the small black oval. The red streak behind this oval is the path of totality. Anyone within this path will see a total eclipse when the umbra passes over them. The much larger shaded bullseye pattern represents the penumbra. Steps in the shading denote different percentages of Sun coverage (eclipse magnitude), at levels of 90%, 75%, 50% and 25%. The yellow and orange contours map the path of the penumbra. The outermost yellow contour is the edge of the penumbra path. Outside this limit, no part of the Sun is covered by the Moon.

The numbers in the lower left corner give the latitude and longitude of the center of the umbra as it moves eastward, along with the altitude of the Sun above the horizon at that point. Also shown is the duration of totality: for anyone standing at the center point, this is how long the total solar eclipse will last. Note that the duration varies from just 2 minutes over eastern Indonesia to over 4 minutes on the Woleai Atoll in Micronesia.

NASA, in partnership with the Exploratorium Science Center in San Francisco, will host activities around the March 8 total solar eclipse, including opportunities to talk with solar scientists and live coverage of the eclipse originating from Woleai island in Micronesia.

NASA Television will begin coverage at 8 p.m. on March 8. The period of total eclipse, called totality, will occur from 8:38 to 8:42 p.m.

Google+ users will be able to join the conversation and ask questions using the hashtag #eclipse2016  

The total eclipse will be visible in parts of Southeast Asia and a partial eclipse will be visible in parts of Alaska, Hawaii, Guam, and America Samoa. An eclipse occurs when the moon passes directly between Earth and the sun. When the moon's shadow falls on Earth, observers within that shadow see the moon block a portion of the sun's light. 

Information about eclipses is available online at:
www.nasa.gov/eclipse

For solar eclipse video resources, visit: 
http://go.nasa.gov/1VR3Fvk

Credit: NASA/Goddard Space Flight Center Scientific Visualization Studio
Duration: 1 minute
Release Date: February 12, 2016

+NASA Goddard 
+NASA's Marshall Center 
+Exploratorium  

#NASA #Astronomy #Space #Science #Sun #Solar #Eclipse #Moon #Earth #Asia #Southeast #Corona #Atmosphere #Skywatching #STEM #Education #GSFC #Goddard #Marshall #USA #UnitedStates #Animation #HD #Video
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El Sol destruye un 90% de los asteroides que se acercan a nosotros

Revista 'Nature'.

El análisis de un modelo del espacio interno del sistema solar basado en un mapa de asteroides aprobado ha demostrado que un 90% de los asteroides que giran alrededor del Sol no existen.

#ciencia   #descubrimientos   #espacio   #internacional   #NASA  

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Revista 'Nature'. El análisis de un modelo del espacio interno del sistema solar basado en un mapa de asteroides aprobado ha demostrado que un 90% de los asteroides que giran alrededor del Sol no existen. Un equipo c...
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La órbita gravitacional de cualquier luna, planeta, estrella o galaxia forma una hélice cuando los ves a través de una dimensión de tiempo. #gif
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