#4,000th comet discovered by solar observatory

“#4,000th comet discovered by solar observatory” The 4,000th comet discovered by ESA (European Space Agency) and NASA’s SOHO observatory is seen here in an image from the spacecraft alongside SOHO’s 3,999th comet discovery. The two comets are relatively close at approximately 1 million miles apart, suggesting that they could have been connected together as recently…

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#Quasar jets are particle accelerators thousands of light-years long

“#Quasar jets are particle accelerators thousands of light-years long” Composite image of Centaurus A, showing the jets emerging from the galaxy’s central black hole, together with the associated gamma radiation. Credit: © ESO/WFI (Optical); MPIfR/ESO/APEX/A.Weiss et al. (Submillimetre); NASA/CXC/CfA/R.Kraft et al. (X-ray), H.E.S.S. collaboration (Gamma) An international collaboration bringing together over 200 scientists from 13…

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#First space tourists will face big risks, as private companies gear up for paid suborbital flights

“#First space tourists will face big risks, as private companies gear up for paid suborbital flights” On May 30, 2020, millions of Americans watched the inaugural SpaceX Crew Dragon launch NASA astronauts to the International Space Station. This mission marked two significant events: First, the return of launch to orbit capability for human spaceflight from…

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