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Anks D
Lives in 1 AU (Astronomical Unit) from a Main Sequence star (Sun)
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Anks D

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South India as seen from the International Space Station
 
Southern India by Night | International Space Station
This night image, taken recently from the International Space Station (ISS), shows with clarity and surprising detail the human geography of cities of different sizes, such as Kochi and Coimbatore, and the highways that connect cities. The almost unpopulated hilly escarpment, known as the southern Ghats, is a dark zone parallel to the coast. A patch of clouds are illuminated by a nearly-full moon.

Astronaut photograph ISS042-E-135100 was acquired on January 12, 2015, with a Nikon D4 digital camera using a 28 millimeter lens, and is provided by the ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, Johnson Space Center. The image was taken by the Expedition 42 crew. It has been cropped and enhanced to improve contrast, and lens artifacts have been removed. The International Space Station Program supports the laboratory as part of the ISS National Lab to help astronauts take pictures of Earth that will be of the greatest value to scientists and the public.

Image Credit: NASA/JSC Gateway to Astronaut Photography of Earth Caption Credit: M. Justin Wilkinson, Texas State University at NASA-JSC

+NASA's Earth Observatory 
+Johnson Space Center 

#NASA   #Space   #ISS   #Earth   #India   #Cities #Kochi #Cochin #Ernakulam #Coimbatore #Kovai #Ghats #Night #Astronaut #Photography   #Art   #Science #Expedition42 #International
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super
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Beagle 2 finally found after a 11 year long wait
UK's Beagle 2 which was all set to land on the surface of the Red Planet on Christmas day, 2003 has finally been found according to recent imagery by the Mars Reconnaissance Orbiter. Beagle 2 which was declared dead in February, 2004 is now clearly visible in an MRO image of Isidis Planitia. Scientists previously thought that Beagle 2 was unable to make a safe landing on the Martian surface due to high levels of dust which caused the parachutes to malfunction but, this new image reveals the spacecraft within 5 kms of its target location with airbags successfully deployed along with it's one meter wide dish. This discovery has again set the scientists looking for a possible explanation of loosing the spacecraft in 2003. 

Read more:
http://www.universetoday.com/118190/beagle-2-found-on-mars-after-an-11-year-hunt/
The final chapter in the saga of a wayward Mars lander was finally revealed today, as an international team released images showing the Beagle-2 lander's final resting place on Mars. Flashback to C...
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First Martian blight.
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Look at that!
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Super Planet Crash
Really enjoyed playing this game two days ago. Here, the player is asked to create a planetary system comprising of Earths, Super Earths, Ice giants and more. The game ends when the system reaches and age of 500 years or if any planetary body crashes into another. It's a fun game and one can experiment with different planetary systems, their speed of revolution and the number of objects they would like to keep.
 
Can you create a planetary system that lasts for 500 years? Click through to try it on Super Planet Crash, here: http://buff.ly/1u10wA6
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I'm going to contact the creator and ask if I can feature this in my VR simulator. I'm create a sub brand dedicated to education. :)
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Just saw comet Lovejoy!! It was nothing more than a fuzzy blob in the city sky but, it was magnificent to see a comet.
Here are a few tips to catch this beautiful comet:
http://www.universetoday.com/118069/how-to-find-and-make-the-most-of-comet-lovejoy/
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Nah, I've seen a lot more before. I just hate how this place has robbed me of the right to stargaze..
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Cool 3-D view inside a nebula
 
Peer inside a nebula

This image was generated by +J-P Metsavainio.
Find his website at http://astroanarchy.blogspot.com/

#Space   #Nebulae   #Astronomy   #ScienceFriday  
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Recent Model on Eta Carinae system
Eta Carinae, a binary star system mysteriously erupted in the 19th century. The explosion created a nebula which is still expanding as observational data from telescopes suggest. The data from satellites, ground based telescopes and theoretical models have given the scientists a new insight into this dense ball of cloud. It is believed that at the heart of the system lies two stars in orbit around each other the larger one being 90 times the mass of the sun and the latter being 30 times the mass of the sun. These stars in orbit release powerful outflows what scientists call stellar winds which have so far prevented telescopes from looking into the heart of Eta Carinae. It has been observed that when the stellar winds of the two stars collide, they produce temperatures high enough to emit X-rays. But, when the secondary star is at its closest approach from its companion star, the X-ray emissions drop as the secondary star is enveloped in the stellar winds of the primary. The X-ray emissions reappear later but each time, it does so in a different way suggesting changes in the structure of the stellar winds. Recent observations have helped scientists create 3-D models of the winds so that they can better understand the complicated dance of stellar winds which takes place at the heart of the nebula.

To know more, watch the new video by NASA explaining the process in detail.
 
NASA Missions Investigate Superstar Eta Carinae
Jan. 7, 2015: Eta Carinae is a binary system containing the most luminous and massive star within 10,000 light-years. A long-term study led by astronomers at NASA's Goddard Space Flight Center in Greenbelt, Maryland, combined data from NASA satellites, ground-based observing campaigns and theoretical modeling to produce the most comprehensive picture of Eta Carinae to date. New findings include Hubble Space Telescope images that show decade-old shells of ionized gas racing away from the largest star at a million miles an hour, and new 3-D models that reveal never-before-seen features of the stars' interactions.

Located about 7,500 light-years away in the southern constellation of Carina, Eta Carinae comprises two massive stars whose eccentric orbits bring them unusually close every 5.5 years. Both produce powerful gaseous outflows called stellar winds, which enshroud the stars and stymy efforts to directly measure their properties.

Astronomers have established that the brighter, cooler primary star has about 90 times the mass of the sun and outshines it by 5 million times. While the properties of its smaller, hotter companion are more contested, Goddard's Ted Gull and his colleagues think the star has about 30 solar masses and emits a million times the sun's light.

At closest approach, or periastron, the stars are 140 million miles (225 million kilometers) apart, or about the average distance between Mars and the sun. Astronomers observe dramatic changes in the system during the months before and after periastron. These include X-ray flares, followed by a sudden decline and eventual recovery of X-ray emission; the disappearance and re-emergence of structures near the stars detected at specific wavelengths of visible light; and even a play of light and shadow as the smaller star swings around the primary. 

During the past 11 years, spanning three periastron passages, the Goddard group has developed a model based on routine observations of the stars using ground-based telescopes and multiple NASA satellites. According to this model, the interaction of the two stellar winds accounts for many of the periodic changes observed in the system. The winds from each star have markedly different properties: thick and slow for the primary, lean and fast for the hotter companion. The primary's wind blows at nearly 1 million mph and is especially dense, carrying away the equivalent mass of our sun every thousand years. By contrast, the companion's wind carries off about 100 times less material than the primary's, but it races outward as much as six times faster. 

The images and video on this page include periastron observations from NASA's Rossi X-ray Timing Explorer, the X-Ray Telescope aboard NASA's Swift, the Hubble Space Telescope's STIS instrument, and computer simulations. 

+NASA Goddard 
+Hubble Space Telescope 

#NASA   #Space  #Astronomy #Hubble #Star #Binary  #EtaCarinae #Carina #Science #Periastron #Xray #Telescope #Data
#Visualizations #Cosmos #Universe #GSFC #Goddard
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Anks D

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Beagle 2 finally found after a 11 year long wait
UK's Beagle 2 which was all set to land on the surface of the Red Planet on Christmas day, 2003 has finally been found according to recent imagery by the Mars Reconnaissance Orbiter. Beagle 2 which was declared dead in February, 2004 is now clearly visible in an MRO image of Isidis Planitia. Scientists previously thought that Beagle 2 was unable to make a safe landing on the Martian surface due to high levels of dust which caused the parachutes to malfunction but, this new image reveals the spacecraft within 5 kms of its target location with airbags successfully deployed along with it's one meter wide dish. This discovery has again set the scientists looking for a possible explanation of loosing the spacecraft in 2003. 

Read more:
http://www.universetoday.com/118190/beagle-2-found-on-mars-after-an-11-year-hunt/
The final chapter in the saga of a wayward Mars lander was finally revealed today, as an international team released images showing the Beagle-2 lander's final resting place on Mars. Flashback to C...
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Colorful rings of Saturn
 
Saturno ...

Beautiful colors in space! This image of Saturn's rings, taken on June 30, 2004, during our Cassini spacecraft's orbital insertion at Saturn, shows, from left to right, the outer portion of the C ring and inner portion of the B ring. The B ring begins a little more than halfway across the image. The general pattern is from "dirty" particles indicated by red to cleaner ice particles shown in turquoise in the outer parts of the rings.

Image Credit: NASA/JPL/University of Colorado
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False color rendering
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Colorful star forming region.
 
Are the colorful images of galaxies, nebulae, and stars real?
The fact is, they are a re-creation, a blend of art and science. The images received from [most telescopes] are monochrome but are taken through color filters. Astronomers and imaging specialists use modern technology and software to compose the final images, at times to reproduce as closely as possible what they believe to be the natural colors of heavenly objects. (When we use a telescope to observe faint objects in the night sky, our cone cells pass the task of seeing to our rod cells, which cannot perceive color.) At other times, astronomers deliberately produce false-color images to make certain things stand out, perhaps for scientific analysis.
http://wol.jw.org/en/wol/d/r1/lp-e/102012047?q=colors+real&p=par

Image Explanation: This image consists of clouds surrounding the star system Rho Ophiuchi and is one of the closest star forming regions. Located only 400 light years away, it is distinguished by its colorful surroundings, which include a red emission nebula and numerous light and dark brown dust lanes. Near the bottom of the image lies IC 4592, the Blue Horsehead nebula.
- http://apod.nasa.gov/apod/ap140727.html

Image Credit: Rogelio Bernal Andreo
http://www.deepskycolors.com/
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The galaxy is exploding
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Just saw comet Lovejoy!! It was nothing more than a fuzzy blob in the city sky but, it was magnificent to see a comet.
Here are a few tips to catch this beautiful comet:
http://www.universetoday.com/118069/how-to-find-and-make-the-most-of-comet-lovejoy/
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Hale Bop Was The Most Amazing Comet I've Ever Seen In My Lifetime! Stuck Around For Months! Truly Amazing, With Or Without A Telescope Or Binoculars! Luckily I Had A Great Telescope!
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Cool 3-D view of a nebula
 
Peer inside a nebula

This image was generated by +J-P Metsavainio.
Find his website at http://astroanarchy.blogspot.com/

#Space   #Nebulae   #Astronomy   #ScienceFriday  
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Have her in circles
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Astronomy Lab's profile photo
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Gather enough of information until I turn into a black hole!
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