How big is Proxima Centauri? Why do some people say that there will be life there?

Proxima Centauri is more than twice the size of the Earth, and Proxima is a planet that orbits a star like the Sun, and scientists have observed that there may be water on it, so there may be life.

Proxima Centauri is about twice the size of Earth. Proxima Centauri has water on its surface, and their atmospheres are very similar to Earth's, and they orbit around the star, so it is speculated that they may have life.

Proxima CentauriIt is about a light-year from Earth, which translates to about 40 trillion kilometers in kilometers.

Proxima Centauri is about light-years away from Earth, or 266872 astronomical units.

1 astronomical unit is about 100 million kilometers, which is the average distance from the Earth to the Sun). The closest stars to Proxima Centauri are, in order: Triad Centauri.

The other two stars, the Sun and Barnard's Star (light years). From Earth, Proxima Centauri is located at Centauri.

aThe angle of view is about 2°, or 4 times the diameter of the full moon.

Proxima Centauri is a red dwarf star from Earth.

It was so dim that it was not until 1915 that it was made by Johannesburg at that time.

Robert Innis, director of the Joint Observatory, in South Africa.

Found. Proxima Centauri was formed about 100 million years ago in the same age as stars A and B, and slightly earlier than the Sun's (4.6 billion years).

Surface activity. Proxima Centauri has a very active chromosphere, and its chromosphere eruptions can be observed in the X-ray band, so it is a typical flare (variable star name: V645 Centauri); in ultraviolet light.

Wavelengths observe changes in its chromosphere and know that its rotation period is about 31 days.

The above content reference: Encyclopedia - Proxima Centauri.

There is no life on Proxima Centauri. Proxima Centauri is the closest star system to the solar system, light-years, and it is a three-star system, i.e., three stars orbiting each other. Recent studies have suggested that life may not exist in the Proxima Centauri system, because Proxima Centauri is a red dwarf star system, which may not be suitable for the formation of a living planet.

Proxima Centauri overview

In the constellation Centauri, there is a star of minus 0.1 magnitude, named Rigilkent in the west, and South Gate II in the middle. It is one of the first stars to use the parallax method to calculate the actual distance, in fact, it is a triple star, one of which is only about 4.2 light-years away, the west name is Proxima, it is the closest star to the solar system, we call it Proxima Centauri.

In the vast expanse of space, there are countless stars, among which the closest star to the sun is called Proxima Centauri, which is located in the constellation Centauri, scientific name, Centauri star C, only 4.22 light years from the sun, equivalent to 399233 billion kilometers, it is conceivable that the universe is so big, even if it is a neighbor, it is far away from the end of the world. Proxima Centauri is a triple star.

Scientists have speculated that even if there is a super-Earth in Proxima Centauri, there may not be life, and it will be even more difficult for the Trisolaran to exist. Most of the stars in the universe are red dwarfs, and if this inference is true, then it is possible that there is no life in the vicinity of most stars.

Distance: light years, color: red. It's not clear how old it is.

Proxima Centauriis far from our galaxy.

The nearest star, only light-years away. What astronomers know is that it has a potentially habitable planet called B.

But in a new study, the Italian National Institute of Astrophysics.

The researchers noted in the report that some of the changes they observed in the star's motion could reflect that it may have another planet. In a publication published in the journal Science Advances, they refer to the planet as Bilingstar C.

This potential new planet appears to be a super-Earth. A super-Earth is an icy Neptune that is larger than Earth but much larger than the giant.

Small planets. The research team discovered it through a method called radial velocity. The principle of this method is roughly as follows:

When a planet undergoes orbital motion, it has a very small pull on the star it corresponds to. And when a star moves, even at a small distance, its light color changes. If the color change is periodic, then it is an indication that there is a planet revolving around it.

Yes, there are several planets, all named Proxima Centauri, the most famous being Proxima b