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Southern Lights near the Great Australian Bight

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An astronaut took this photograph of the Aurora Australis in August 2017. At the time, the International Space Station was moving over the southern Indian Ocean towards the Great Australian Bight and Melbourne, Australia. Click here to see a video of the flight over the aurora. Auroras are created in the upper atmosphere when the solar wind (a stream of charged particles emitted by the Sun) interacts with the Earth’s protective magnetic field. Charged particles within the magnetosphere are accelerated down field lines toward the ionosphere, where they collide with different gases (particularly oxygen and nitrogen) and emit light as a reaction. Auroras often appear as neon green, purple, yellow, or red, depending on the gas molecules being excited. Green, for example, indicates collisions with oxygen. Astronaut photograph ISS052-E-63378 was acquired on August 19, 2017, with a Nikon D4 digital camera using a 22 millimeter lens, and is provided by the ISS Crew Earth Observations Facil...
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Successful local companies can help stop mass exodus of Nepalis: Rockstart founder Kneppers

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Oscar Kneppers, Founder of Rockstart, a startup accelerator which also has a programme in Nepal, created the first Dutch internet magazine ‘Net Magazine’ in 1994. He was also behind the successful technology channel Webwereld (1995). In 1998 Kneppers started his first business and launched Emerce, a magazine, and website on e- business, marketing and technology. Emerce is still considered the most prominent Internet and e- commerce media brand in the Netherlands. After launching and selling off more media ventures in preceding years, Kneppers founded Rockstart to helps startups through funding, mentorship, community and office space and relevant startup events. In Nepal Rockstart Impact has accelerated 29 companies, and received FDI pledges for 21 of them ranging from €100–500K. Onlinekhabar recently talked to Kneppers about the programme in Nepal. Excerpts from an interview: Is this your first time in Nepal? Yes, this is my first time in Nepal. I came in yesterda...
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NASA finds potential 'cradle of life' on Mars in shocking discovery

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This view of a portion of the Eridania region of Mars shows blocks of deep-basin deposits that have been surrounded and partially buried by younger volcanic deposits. The image was taken by the Context Camera on NASA's Mars Reconnaissance Orbiter and covers an area about 12 miles wide. (Credits: NASA/JPL-Caltech/MSSS) A recent discovery made by NASA's Mars Reconnaissance Orbiter (MRO) shows the evidence of ancient sea-floor hydrothermal deposits that may offer clues about life on the Red Planet and Earth as well. The authors of the study, Paul Niles and Joseph Michalski, believe there were volcanoes on the planet long ago that led to water being heated and may provide clues on how life began. "Even if we never find evidence that there's been life on Mars, this site can tell us about the type of environment where life may have begun on Earth," said Niles, who works at NASA's Johnson Space Center, Houston, in a statement. "Volcanic activity combined wit...
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