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In Search of the Planet Tatooine

Remember the movies in the Star Wars series? The film in the series has been a super-duper hit since the late 1980s. Those movies, based on science fiction stories, are still remembered by moviegoers.

Why science fiction? For many reasons. One of them is that the planet of the protagonist Luke Skywalker was Tatooine. The two suns of that planet are 7 That is, the planet is revolving around two stars, not one. This is not usually seen. All the planets orbiting the Sun, including the Earth, revolve around the same star. So the two solar planets Tatooine were thought to be possible only on the pages of science fiction. However, this idea is changing rapidly. In fact, a number of planets have been discovered, the number of which is two. Some planets have also been observed orbiting three or more suns.

Science fiction: Two suns from one planet in Star Wars
Science fiction: Two suns from one planet in Star Wars

However, most of these planets are exoplanets. That is, these planets are in a galaxy far, far away from the galaxy that our planet Earth is part of.

Where two or more stars are tied to each other by gravity, many are twisting and turning. In many places there is a big star again, surrounded by other stars. By collecting and analyzing signals from galaxies many light-years away with the help of highly advanced telescopes, scientists have seen that most of the planets in the solar system, which have multiple stars, is as large as Jupiter or larger. Usually, such a large planet is supposed to be gaseous.

In 1993, the existence of the first two orbiting planets was discovered. That planet is orbiting a millisecond pulsar (all pulsar stars or rotating neutron stars of a very strong magnetic force with a rotation time of 1 to 10 milliseconds). Named ‘PSRB1820-26’. There is also a white dwarf star. After observing this constellation for five years, we saw that there is a planet 2.5 times larger than Jupiter in our solar system. That planet revolves in a fairly long elliptical path.

In 2005, another Jupiter-sized planet was found in the constellation HD202207. Its large star, like our Sun, provides energy by making helium from hydrogen, in the language of science they are called the ‘Main Sequence Star’. Revolving with a brown dwarf or brown-dwarf star. Such planets are called circular-two-star worlds or ‘sarcoma-binary systems’. Many planets have been found orbiting two stars in a stable orbit.

All of these stars can have many different shapes in their own world. The mass of the main star varies from 0.69 times to 1.53 times that of the Sun. The ratio of the mass of two revolving stars in the same world is 1.03 to 3.8. The orbits between the two stars themselves are centrifugal from 0.023 to 0.521. The orbits of the orbiting planets between them range from almost circular to very elliptical. As of 2013, planets orbiting such two-stars orbit very close to the star. In 2016, the search for a planet smaller than Jupiter began in the world of two stars. So far 23 such planets have been discovered.

Like the two-star world, eight orbiting planets have also been discovered. Two notable constellations are 'HD 132573' and 'HD 132563'. The first orbiting planet is 1.3 times heavier than Jupiter and orbits at a distance of 2.6 AU from its main star (AU is the average distance of the Sun from Earth). The main star in the constellation is HD 131399. It is surrounded by two more stars, which revolve around themselves in the shape of dumbbells. The average orbit of this dumbbell is 300 cosmic distances from the main star. The planet in this constellation is four times larger than our Jupiter. The planet's orbit is 90 cosmic distances from the main star.

The information has also been found about the planets orbiting four stars. One such planet is 'KIC 482725'. It is now understood that the existence of a solar system with more than three stars and the planets orbiting it is not at all unusual. In fact, in the world of two or more stars, there is only one main star, the rest orbiting it like planets, Or two stars as twin stars (which revolve around themselves from quite a distance) and these two ‘dual stars’ revolve around themselves again.

However, the question arises, is it possible for life to exist at all on such a planet? Or if humans could ever reach such a planet, would it still be possible to make the planets habitable?

 Most of the planets that have been found so far are gaseous bodies. Terrible storms go on all the time on such a planet. Just like Jupiter in our solar system. Animals cannot survive in this condition. In addition, the orbits of these planets are very close to their original star, resulting in very high temperatures.

This condition is also not conducive to the existence of life. However, the possibility of many such stars having small, habitable planets in their own world is not going to be ruled out. Even if the planet Tatooine is found, the dream of staying there will not come true.

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