Aliens exist as NASA finds second planetary system in Kepler-90 System

What is the significance of the Kepler-90 star system as the second solar system?

Firstly, there is a star in the Kepler 90 system that is very similar to our sun, and 8 planets are orbiting around this sun-like star, indicating that the Kepler-90 star system has a large distribution. It looks like our solar system.

Furthermore, it is the first-star system discovered by humans outside the solar system in the same family as the solar system, as well as the extrasolar star system with the most planets discovered to date.

What does Kepler 90 look like?

Kepler 90 is the Kepler space telescope’s 90th-star discovery. This star, which is located in the constellation Draco, has approximately 1.13 т¡мes the mass of the sun. It is a yellow dwarf star, like the sun, and its surface temperature is slightly higher, about 5930K. As a result, its luminosity is slightly higher than that of the sun (its absolute magnitude is about 4.54, slightly brighter than the sun’s 4.83), but because this star system is 2,545 light-years away, the apparent magnitude is only 14, and we can’t see it with the naked eye.

Kepler 90 is a G-type main-sequence star in the constellation Celestial Dragon, approximately 2,545 light-years (780 pc) from Earth. This star is noteworthy because it has the same number of observable planets as the solar system.

As a result, Kepler 90 can be considered a brother to the solar system, but it is a late-born child; according to astronomers’ research, the Kepler 90 star system was born 2.6 billion years later than the solar system. The sun is only 2 billion years old, whereas our solar system is 4.6 billion years old.

Our solar system has eight planets orbiting it, as does Kepler 90. These planets are named after the star closest to the sun, and they are b, c, I d, e, f, g, and h. The planet closest to the sun is known as Kepler 90b, and the planet farthest away is known as Kepler 90h.

The eight planets’ positions

The initial sequences of numbers b, c, d, e, f, g, h, I and I must be behind, i.e. the furthest, according to planet nomenclature. However, because this star was discovered last, while the other seven planets were discovered and named long ago, it should come last in alphabetical order, but not in the actual position. However, this is not the case. Furthermore, we are familiar with and have used the names of the previous seven planets in a variety of sources over the years, so we do not want to change the names of the remaining planets simply because a new planet has been discovered.

NASA launched the Kepler space telescope in 2009 to search for exoplanets based on changes in star brightness. As a result, this method can only find traces of planets and estimate their masses. According to the data, all eight of Kepler 90’s planets are larger than Earth.

The planet with the greatest volume is Kepler 90h, which has a radius 11.32 т¡мes that of Earth, making it similar to Jupiter but slightly larger; the planet with the least mass is Kepler-90c, which has a radius of about 1.2 Earths.

Other methods of observing exoplanets exist, such as the gravitational perturbation method, which estimates a planet’s mass by observing the effect of gravity on its motion. star. Using this method, scientists discovered that the masses of the three planets I g, and h in the Kepler-90 system are approximately 2.5 т¡мes that of Earth, 0.8 т¡мes that of Jupiter, and 1.2 т¡мes Jupiter, respectively.

The masses of the planets in the Kepler 90 star system are almost identical to the masses of the solar system, the masses of the planets close to the main star are relatively small, and they are all planets with a similar structure to Earth, Venus, Mars, and Mercury. The masses of planets far from the sun, as well as gaseous planets such as Jupiter, Saturn, Uranus, and Neptune, are relatively larger.

The high similarity between the Kepler-90 planetary system and the solar system planetary system is due to the universality of the process of star formation and planetary system formation. This has been said мคหy т¡мes before, but I won’t go into it now.

What’s the most Earth-like planet, what Kepler 90i looks like

In fact, NASA has been monitoring the planet Kepler 90 since 2009. The Kepler telescope employs a photometer to determine whether the star is undergoing a transit event characterized by a decrease in luminosity. And, since the first planet was discovered in 2013, the remaining planets have been discovered one by one, initially seven planets orbiting Kepler 90, and it wasn’t until 2017 that this Kepler 90i was discovered. presently.

The discovery was made by “picking up leaks,” or looking back at previous data from the Kepler telescope. According to NASA, the discovery is also aided by the use of new computer algorithms, which, quite frankly, employ AI (artificial intelligence). After a previous weak signal was missed, Google engineer Christopher Sharu and University of Austin astronomer Andrew Vanderbilt used AI to find Kepler 90i.

The planet is third in the Kepler 90 star system, is identical to our Earth in the solar system, and is a rocky planet like Earth, with a radius 1.32 т¡мes that of Earth and a mass about 2.5 т¡мes that of Earth, according to the study. So, does it have life or civilization?

This possibility is very remote, according to research, because the planet is so close to its host star, only about 0.1234AU (astronomical unit, 1AU is about 150 million km), and its rotation period is only 14, 45 Earth days, whereas the Earth’s rotation around the sun is 365 days.

Mercury is the closest planet to the sun, at about 0.38AU. Because Kepler 90i is much closer to the sun, its surface temperature can reach the surface temperature of Mercury or Venus, which is about 500 degrees Celsius.

Because Kepler-90i is so close to the host star, any atmosphere it has will evaporate and be blown away by the stellar wind, making it unlikely that Kepler 90i has an atmosphere. Similar to our moon, the rotation of the planet can be locked by the gravity of the host star. This means that the side facing the host star will be permanently scorched by the heatwave, while the opposite side will be as cold as an ice cave, with temperatures below minus 100 degrees Celsius.

Liquid water is very unlikely to exist in such a state, making it unlikely that Earth-like life could form and exist there. Some argue that such planets still have habitable zones, possibly liquid water, and suitable conditions for life.

Many space telescopes have inherited the unfinished business of the Kepler space telescope now that it has been retired.NASA recently launched the Webb space telescope,  the most expensive and technologically advanced telescope in history. This telescope, which cost tens of billions of dollars to develop and launch, is several orders of magnitude more powerful than the Hubble Space Telescope.

Will more secrets about the Kepler 90 galaxy be discovered as scientific observation advances? Or perhaps extraterrestrial life and civilizations will be discovered soon? Of course, the premise is that extra-systemic life and civilizations exist, and that densities aren’t all that uncommon. What are your thoughts?

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