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Expert Finds Copy Star Obi-Wan Kenobi, Stays Alive After Exploding

Jakarta, CNN Indonesia

Explosion phenomenon supernova usually kills stars that pass through this phase. However, recently researchers have found bintang who did not die from this explosion and instead became stronger like the character Obi-Wan Kenobi, the Jedi in the Star Wars universe.

“This surviving star is a bit like Obi-Wan Kenobi who returned as a ‘ghost force’ in Star Wars,” study co-author Andy Howell, an assistant professor of physics at the University of California, Santa Barbara (UCSB), was quoted as saying. Live Science.

“Nature tried to bring down this star, but it came back stronger than we imagined. It’s still the same star, but comes back in a different form. The star transcends death,” he added.

Obi-Wan Kenobi is one of the main characters in the Star Wars series. Citing site Star WarsHe is one of the Jedi, knights with armed magical powers lightsaberthe legendary who died while dealing with the antagonist Darth Vader.

But Obi-Wan Kenobi then merged with ‘the Force’ so that his spirit could still be present in the world.

Experts initially suspected this star was experiencing a type 1a supernova (explosion), which could completely destroy a star. Using the Hubble Space Telescope, the scientists saw a bright flare of light at the corner of a spiral galaxy about 120 million light-years from Earth, in the center of a string of stars called the constellation Eridanus.

Experts also call this supernova with the code SN 2012Z. The 2012 figure refers to the year experts discovered the supernova. However, in 2014 through continued observations, experts noticed something odd about the SN 2012Z.

The explosion is fainter and weaker than the usual Type 1a. They also classified it into type 1ax or type 1a which failed.

Even more surprising, the experts also found a dwarf star right in the center of the explosion, which shone brighter than the star that was there first.

“No one expected to see a star that survives and shines brighter. It’s really puzzling,” said Curtis McCully, postdoctoral researcher at UCSBm who led the study.

Experts suspect, this occurs due to natural factors from the type 1ax supernova. It’s possible that when it appears, the explosion is too weak to actually blow up the gas that makes up the dwarf star.

Following the initial explosion, some of the material may return to the half-exploded star and form a bound remnant object.

For decades, experts thought a Type 1a supernova exploded when the dwarf star reached its limiting point (Chandrasekhar), which is about 1.4 times the mass of the Sun.

The conjecture has been broken in recent years because many supernovae have been discovered with less mass than that. The new theory also indicates that there was another reason for the stars to explode.

Astronomers aren’t even sure if the stars can get close to the Chandrasekhar boundary before exploding. Now, the experts involved in the study think the star’s growth to its limit is what happened to SN 2012Z.

“The implications of a Type 1a supernova are very clear. We found that most supernovae can grow to their limit and explode. But the explosions are weak at times. Now, we have to understand what makes a supernova fail and become a type 1ax and a successful explosion and become a type 1a supernova. 1a,” McCully said as quoted from Scitechdaily.

[Gambas:Video CNN]

(lom/lth)


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