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Thursday, November 28, 2019

An Alien Comet From Another Star Is Soaring Through Our Solar System

Something strange is sailing toward us. This is an interstellar comet - an ancient ball of ice and gas and dust, formed on the frozen outskirts of a distant star, which some lucky quirk of gravity has...

from NDTV Gadgets - Latest https://ift.tt/2XTHI7g

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Solar Sail Spacecraft Could Boost Space Weather Warnings by Nearly 60 Minutes

A solar sail spacecraft could extend space weather warnings from 40 to 60 minutes, offering vital lead time before solar storms strike. Part...