Watch a Medieval Supernova From 1572 Still Going Strong (VIDEO) 0 16.05.2016 14:23 RIA Novosti X-ray and radio observations of the remnant of the "Tycho" supernova, the explosion of a white dwarf star which was recorded in 1572, show that the remnant is still expanding today. Moscow.media Частные объявления сегодня Rss.plus Все новости за 24 часа Другие проекты от SMI24.net Музыкальные новости Агрегатор новостей 24СМИ
