Groundbreaking stuff! "Seven Earth-sized planets have been observed by NASA's Spitzer Space Telescope around a tiny, nearby, ultra-cool dwarf star
The 5 best new universe Videos, Memes and GIFs going viral on Youtube and across the internet in December 2018 and of all time (in the archives).
The observable universe is 93 billion light years across. But how big is that really? For comparison, Minute Physics says to imagine this
Minute Physics is one of YouTube's most popular educational nerd channels with the mission to feed viewers a minute or two