With the power of modern technology, how long will it take to reach the planet a light-year away?
I've seen people succeed hundreds of times ... in movies. What about in real life?Huge butterfly wings in the universe
After being repaired, the Hubble space telescope sent extremely sharp images to Earth, including a butterfly-shaped nebula.Summary of the best news of the week 04/02/2017
What is the light year, NASA press conference announcing the 2nd Solar System, strange creatures robbing spacecraft, good food for the health ... are the most interesting news