Science – Astronomy Now

26 October 2021

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[ 24 October 2021 ] The curious incident of the star that wasn’t there News
[ 21 October 2021 ] Exoplanet collision likely stripped away a terrestrial world’s atmosphere News
[ 20 October 2021 ] Webb telescope unboxed after shipment to Guiana Space Center News
[ 16 October 2021 ] NASA asteroid explorer leaves planet Earth on Atlas 5 rocket News
[ 6 October 2021 ] Study shows nukes a viable last resort for asteroid defence News

NASA Science Briefing: Comet Siding Spring at Mars

13 October 2014 Astronomy Now

NASA holds a news conference to discuss the close encounter of Comet Siding Spring with Mars. On October 19, 2014, the comet will pass 139,500 kilometers (88,000 miles) from the red planet.