BANDUNG — NASA has confirmed that there are more than five thousand planets outside the solar system. NASA’s Exoplanet Archive reported an additional 65 exoplanets on Monday (21/3/2022).
Reporting from the CNN page, this archive is a scientific journal about exoplanet discoveries that have been confirmed using several planet detection methods.
1. Exoplanets have varied shapes
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The diversity of each exoplanet represents the population of planets that cannot be found in the solar system. These include having a rocky earth with a size larger than Earth called super-Earth, in addition there is mini-Neptune because its size is larger than Earth but smaller than Neptune, then there are planets like Jupiter with much higher temperatures.
According to the lead scientist and researcher at the NASA Exoplanet Science Institute, Jessie Christiansen, of the 65 new planets, most of these are super-Earths, sub-Neptunes, and high-temperature Jupiter-like planets. The small part is a planet that has a high temperature of approximately 327 degrees Celsius which has a size the size of Earth and is not a habitable planet because of its high temperature.
2. Experts find planets around stars
Experts have also found planets orbiting more than one star and some around dead stars, known as white dwarfs.
So far, confirmed exoplanets are 30 percent gas giant planets or plantes formed from hydrogen and helium like Jupiter and Saturn, 31 percent super-Earth, 35 percent like Neptune and four percent rocky like Earth and Mars.
3. Space watchers follow the quest
The James Webb Space Telescope, due for release in December, is expected to increase the potential for exoplanet discoveries, looking past their atmospheres for how they evolved and what the chemistry was there.
Although experts confirm the existence of more than five thousand exoplanets, it is suspected that there are even more than hundreds of millions of exoplanets scattered in the Milky Way galaxy.
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