When looking for a new extrasolar planet, a group of astronomers at the University of Cambridge found something more interesting. They found the smallest star in the universe that has been known to date.
Worm hole is a tunnel that connects two places in space. By passing through a wormhole, we can, in theory, travel a great distance across the universe but with a very short time, even if the two ends of the wormhole are very far apart.
Two months have passed since the release of the first image of a black hole in the center of the M87 spiral galaxy. So, what have so far been studied by astronomers from this image?
The universe is very broad, calculating the distance of celestial objects must be something that seems impossible.
The International Space Station (ISS) is a joint plan of the space station, specifically the Russian Mir 2, the United States Space Station and the Columbus European Orbital Facility, representing the presence of humans in outer space: occupied by at least two people since November 2, 2000.
Outer space is a place where there are many exists. Despite having many stars, we often see in various photos of astronauts that the outer space looks very dark. In fact, as we know, dark are usually indicates the absence of light. While stars are objects that able produce light independently.
Our earth is not the only planet in the solar system, and our solar system is also not the only star system in the Milky Way galaxy. It is estimated that the Milky Way has 100-400 billion stars. Then, where is the position of the earth and the sun in the Milky Way galaxy?
There are so many exoplanet that have now been discovered. But how can we consider such planet is habitable for human being?