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Woot new planets

Posted by goldenplum on October 27, 2015 at 11:35 PM Comments comments (0)

Scientists find habitable planet 14 light years away

Scientists at the University of New South Wales in Australia have made a stellar and rare discovery: The closest habitable planet to Earth is located 14 light years away, which is eight light years closer than scientists previously thought. The discovery is the result of a study from UNSW researchers, who found the planet located as part of a cluster of three others, all of which orbit the red dwarf star Wolf 1061. The new world is more than four times the size of Earth-More Here 

Water on Mars!

Posted by goldenplum on October 9, 2015 at 4:15 AM Comments comments (0)

hat tip Cross Road Cas and NASA -

Did you hear? New findings from our Mars Reconnaissance Orbiter (MRO) provide the strongest evidence yet that liquid water flows intermittently on present-day Mars.

 

Using an imaging spectrometer on MRO, we found hydrated minerals on slopes where mysterious streaks are seen on Mars. One thing that researchers noticed was that the darkish streaks appear to ebb and flow over time. During warm seasons, they darken and then fade in cooler seasons.

With the recent spectral detection of molecular water, we’re able to say it’s likely a shallow subsurface flow explains the darkening.

 

Mars is so cold, how could liquid water flow there? Great question! Since this liquid water is briny, the freezing point would be lower than that of pure water. Also, these saline slopes appear on Mars when temperatures are above minus 10 degrees Fahrenheit (minus 23 Celsius).

 

The dark, narrow streaks flowing downhill in the below image are roughly the length of a football field.


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Record breaking

Posted by goldenplum on September 8, 2015 at 4:35 AM Comments comments (0)

Hat Tip Larinah  and NASA-

 

Astronaut Scott Kelly has broken the record for longest time spent in space by a U.S. astronaut! Over the course of his four missions, Kelly has spent 383 cumulative days in space. This record was previously held by Astronaut Mike Fincke, with 382 days in space over three flights. Here are some more fun facts about this milestone:

4: The number of humans that have spent a year or more in orbit on a single mission

215 Days: The record currently held by Mike Lopez-Alegria for most time on a single spaceflight by U.S. astronaut. On Oct. 29, Kelly will break this record

377 Days: The current record for most days in space by a U.S. female astronaut, held by Peggy Whitson

879 Days: The record for most cumulative days in space by a human, currently held by Russian cosmonaut Gennady Padalka


 

 


Hubble

Posted by goldenplum on August 27, 2015 at 10:55 AM Comments comments (0)

From mic.com-

The Hubble Space telescope just sent back a new photo of the Twin Jet Nebula. Here’s what it looked like in 1997:

 

 



And now …


Science, you’re the best. Learn More 

Biggest explosions in the universe powered by strongest magnets

Posted by goldenplum on July 12, 2015 at 6:40 AM Comments comments (0)

From Science Daily 

Gamma-ray bursts are one of the outcomes associated with the biggest explosions to have taken place since the Big Bang. They are detected by orbiting telescopes that are sensitive to this type of high-energy radiation, which cannot penetrate the Earth's atmosphere, and then observed at longer wavelengths by other telescopes both in space and on the ground.

 

GRBs usually only last a few seconds, but in very rare cases the gamma rays continue for hours. One such ultra-long duration GRB was picked up by the [Swift satellite] - on 9 December 2011 and named GRB 111209A. It was both one of the longest and brightest GRBs ever observed.



As the afterglow from this burst faded it was studied using both the GROND instrument on the MPG/ESO 2.2-metre telescope at La Silla and also with the X-shooter instrument on the [Very Large Telescope] - (VLT) at Paranal. The clear signature of a supernova, later named SN 2011kl, was found. This is the first time that a supernova has been found to be associated with an ultra-long GRB.



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