Story about 2 exoplanets Space



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Two semi-range on flat side with color dots to & # 39; break out.

Computer learning of 2 measuring planets that affect the ground. The temperature range of the material is represented by 4 colors – green, orange, yellow and red, where the gray is as beautiful and red. Image by Zoe Leinhardt / Thomas Denman / Bristol University.

Exoplanets have been found with thousands in the last few years, with many thousands of the view that more in the decades and decades will be available. Much of that world is in multi-planet systems similar to our own solar system. Unique sciences want to find out if any of these planets have ever been they stopped each otherIf yes, how often does it happen?

Although there has been some evidence of planetary disasters in our solar system because it created 4 1/2 billion years ago, there is evidence of accidents between planets in green sun systems been so sad to date. But now, a new survey suggests that it has happened in at least one known planetary system, the system with Kepler-107. The results were published in a new paper that was reviewed by peers in the magazine Natural History on 4 February 2019. Aldo S. Bonomo and Mario Damasso, both of the Istituto Nazionale Di Astrofisica (INAF) and Li Zeng scientist from the Harvard-Smithsonian for Astrophysics Center (CfA) together the survey.

Kepler-107 has around 1,714 light years away, on the way to our controversy Cygnus the Swan. The study focuses on the two most interesting plans; coming from Kepler-107 (out of four known) Kepler-107b and Kepler-107c. They are similar to both radii and orbital time – their sizes are 1,536 and 1,597 radios, individually, with an uncertainty of just 0.2 per cent. Their orbital times are 3.18 and 4.90 days, respectively.

When it comes to their density, however, these two facts are quite different – 5.3 and 12.65 grams of cubic per centimeters, respectively. The Earth's density is 5.5 grams cubic per centimeter, for comparison, although only cubic per centimeter is 1 gram. So – although their sizes and orbits are similar – one of these worlds is much closer than the other.

The video above – through Zoe Leinhardt and Thomas Denman – shows hydrodynamical balance of an early end disaster between two 10-Earth-mass planets.

The truth is that one of the planets is more than twice a second – out of the two – easy to explain because they should be affected almost the same way with a temporary radiation from the star them.

Then what caused this big difference in density? The research team decides that one of the planets – closer planning, Kepler-107c – needs to be hit by another planet still in the past. If so, the disaster would remove part of a silicate banner; planet, leaving left iron close. As Zeng explained:

This is one of many of the interesting Exoplanet systems that the Kepler Space Telescope has discovered and identified. This finding has proven the earlier theory of work that shows that major effects between planets have taken part during creation. planet. It is expected that the TESS objective will find more of these examples.

A flat dug of two-planet dust and a few asteroids.

The idea of ​​the artist on the dust and gas around an innovative and new creation system, as alone. Image through NASA.

This is a reason why this impact occurs, many of these effects may be among the billions of plans that are considered to be in the # 39; our own disease.

In our own solar system, there is one rescue – the strong idea – saying that the Earth's moon has been created from the impact of the young, still created and planned other extent of Mars. The effects of the outer sights were exterminated on Earth, and rubbing into orbit around the Earth. That material was then making a circle of smooth gas, dust and rock around the Earth. Ann less than 100 years, this debris was valued together (surrounded), which grows larger and larger to create our moon.

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It is also reported that similar accidents were explaining why Venus is a "# 39; move back compared to the main plans in our solar system. Venus could also help to & # 39; turn to the # #; phile to & # 39; see today. There is also a great disruption or a series of smaller accidents that give rise to ideas on why Uranus is so angry on axis, and # 39; move "on the side" as it was.

Smaller planning to fall into the larger planet with debris flying out.

It is thought that our own moon was created when the body imposed the extent to which Mars impeded on the young ground. Image through NASA.

Other disasters in planets helped much less than planets to create in the & # 39; first, billion years ago. Similar disasters are still today – although there is a lower level – when meteorites hit the moon, Earth and other bodies in the solar system, creating charitable creatures.

Below is the evidence for a planetary effect in the Kepler-107 system that explains not only an incredible mystery of how the two oldest plans were created, but also its # 39 ; show that these effects are been quite common Among the many outdoor exoplanets – similar to what they have happened in our own solar system.

Source: Kepler-107 explelanet system may have a significant impact on the appearance of different pairs.

Via CfA

Paul Scott Anderson

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