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    Astronomy

    COVID-19: How satellites can help

    The coronavirus COVID-19 pandemic has virtually paralyzed daily life as we know it. Even when the spread of this highly infectious disease has been stemmed, the world will face huge challenges getting back to normal. To help support experts working in Europe’s research centers and technical organizations during these unprecedented times, ESA has issued two new initiatives related to understanding the effects that COVID-19 is imposing on society, the economy and the environment. …read more

    Source:: Physorg space news

          

    SpaceX almost ready to start testing third Starship prototype

    For almost a year now, SpaceX has been building a series of Starship prototypes that will test how the system fares when launched to orbit. Coming on the heels of successful hop tests with the Starship Hopper, these tests will validate the spacecraft and its Raptor engines in space. Unfortunately, the company has encountered some hiccups with these prototypes, as the first two exploded during pressure testing. …read more

    Source:: Physorg space news

          

    Astronomers perform variability study of the blazar 3FGL J0449.4-4350

    Chinese astronomers have conducted a gamma-ray and optical variability analysis of the blazar 3FGL J0449.4-4350. The new research, presented in a paper published March 25 on arXiv.org, reports the detection of possible quasi-periodic oscillation (QPO) from the source and provides more insights into the origin of such behavior. …read more

    Source:: Physorg space news

          

    Scientists reveal photochemical rationale of SH(X)/H2S abundance ratios in interstellar medium

    Research group led by Prof. YUAN Kaijun and Prof. YANG Xueming from the Dalian Institue of Chemical Physics (DICP) of the Chinese Academy of Sciences revealed the photochemical rationale of SH(X)/H2S abundance ratios in interstellar medium with the help of Dalian Coherent Light Source. The results were published in Nature Communications. …read more

    Source:: Physorg space news

          

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