Blog By Physics-Astronomy

Astronomers have discovered a gargantuan galaxy. Alcyoneus is a massive radio galaxy 3 billion light-years away that extend 5 megaparsecs into space.  This structure is 16.3 million light-years long and is the biggest known structure of galactic origi…

Galaxies are nothing more than massive groups of stars, planets, and gas clouds. According to one estimate, there might be up to 2 trillion of them spread over the observable universe. Each of these galaxies, including the Milky Way, may contain billi…

Astronomers have discovered a gargantuan galaxy. Alcyoneus is a massive radio galaxy 3 billion light-years away that extend 5 megaparsecs into space.  This structure is 16.3 million light-years long and is the biggest known structure of galactic origi…

This amazing video illustrates how incomprehensibly vast the universe is. As the videos plays, it takes you on a journey from the size of an astronaut all the way up to the entire observable universe. As the scale ramps up, from spacecraft to moons to…