NASA @NASA
By combining data from @ChandraXray, @NASAHubble, and the retired Spitzer Space Telescope astronomers have narrowed the timeline of a distant star's explosive demise. Here's how researchers “wound back the clock” from 160,000 light years away: https://t.co/CNBWeNIWN8 https://t.co/wFQmR2vGF2 — PolitiTweet.org