Saturday , May 8 2021

The primitive life of Barnard's Starr? | Space

<! –


On the inner planet with the large orange orange on the edge of the sun, the smaller orange is Barnard's star and its planet appears.

Concept of the artist's solar system – Mercury, Venus, Earth, Mars – Barnard's star and his planet, Barnard b. The planet is near its star, but it is a small star and does not give much heat. A new study examines the possibility of Barnard B's life. Image of Villanova University.

Here's an exciting work on orbiting the super-Earth exoplanet on the legendary legendary Barnard's star. This star is the closest to the single star (and now the closest to the second star system) is only six light years from our sun. Astronomers discovered a new planet – labeled Barnard b (or GJ 699 b) – roughly in November 2016. Last week (January 10, 2019) – 233th meeting of the American Astronomical Society (AAS) Seattle, Washington – The University of Villanova's astronomers explained their new work, although this world is likely to be cold (-170 degrees centigrade), it still has no original life the potential it can take.

Here is Barnard's Star B, whose mass is three times the Earth. He stars the star of Barnard – the dark red dwarf – in 233 days, Mercury's distance to our sun. In Barnard's Star system, however, the distance is close to the snow of the star, that is, the point required to keep warm water molecules from the Barnard star from Barnard. After the snow line, the water can become ice.

Barnard has a way of life, as astronomers say, he needs more planetary heat sources. They proposed a large and hot iron / nickel core, like Earth, and an improved geothermal activity.

Edward Guinan and Scott Engle de Villanova announced; At the AAS conference you can see the poster. Guinan said:

The geothermal heating system accepts "living spaces" under its surface, with underground traces found in Antarctica. Jupiter's icy moon Europe surface temperature is said to be similar to Barnard, but, due to the tide of heating, Europe probably has a liquid icy surface beneath the icy surface.

Concept of the concept of the concept of the new planet, Barnard's Star saile. The sun is dark and red. Can you live under the skin of the cold world, underneath the heated? Image by ESO / M. Kornmesser.

Guinan and Engle studied Barnard's star for a long time and were part of the discovery group of the new planet. In Barnard's Star (as well as dozens of other stars), photometry is highly accurate (that is, clear dimensions) in the last 15 years.

Earthly telescopes can be seen by Barnard's star, but it's not the planet … yet. Although very scary, Barnard's telescopes could be imagined by the great telescopes of the future, according to Guinan. He said:

Such observations will clarify the nature of the planet's atmosphere, surface and potential habitability.

Engle stated:

The most significant part of Barnard's star's discovery is that the two nearest star systems of the Sun invite a planet host. Kepler admits previous studies based on the data of the mission, given that planets can be common throughout the galaxy, with tens of millions of numbers.

Also, Barnard's star is just as old as the sun: about 9 million years ago in the 4.6 million years of the sun. Universe The size of the Earth has been longer than the planet, or even the sun itself.

The best gift for the best new year! EarthSky moon calendar for 2019

The closest neighbors among our stars, including Barnard's star. Image by NASA PhotoJournal.

Bottom Line: As a new study shows, Barnard B (or GJ 699 b) exoplanet residents can have a first-come-first-wave source of dark sun, such as a large iron / iron core, such as Earth's and geothermal activity.

Source: X-Ray, UV, optical radiation and Barnard's Star's new Super Earth Planet – & # 39; Can Life Find a Way & # 39; Like a Cold Planet?
Via Villanova University

Deborah Byrd

Source link