Multiple star: A group of 3 or 4 stars that orbit each other bound by gravitational force. Multiple-star system are also called Trinary or Ternary if they contain three stars; they are called Quaternary if they contain if they contain four stars and so on. For example, Alpha Centauri, the third biggest star in the night sky, is a trinary star.
Muttnik: American nickname for the dog Laika, the first animal launched on the space successfully. She was launched aboard Sputnik 2 in 1957. However, she died within few hours because of overheating. She paved the way for human being spaceflight that living being can enter into the orbit.
Thanks for reading, share this article. If you have any interesting question comment it down. Please check other series on this blog too.
No comments:
Post a Comment