Discovering Earth-like planets may be harder than scientists thought

A new study has suggested that discovering new Earth-like exoplanets may be much harder than scientists first anticipated.

@JakConnorTT
Published Fri, Oct 1 2021 3:33 AM CDT   |   Updated Tue, Oct 26 2021 9:43 PM CDT

Humans have always wondered if we are alone in this vast universe we call home and the discovery of Earth-like planets that are some of the best places to look to answer that question.

Discovering Earth-like planets may be harder than scientists thought 02 | TweakTown.com

While it may seem as simple as pointing a large telescope into the void of space to find one of these planets, it's certainly not as easy as it sounds. In fact, it may be much harder than researchers have anticipated. According to a new study out of Cornell University, researchers lay out evidence that next-generation telescopes that will be used to observe exo-planets may confuse planets that are Earth-like with other types of planets that are similar and reside in the same solar system.

Dmitry Savransky, an associate professor of mechanical and aerospace engineering and co-author on the new study published in The Astrophysical Journal, explains, "Once we have the capability of imaging Earth-like planets, we're actually going to have to worry about confusing them with completely different types of planets. The future telescopes that will enable these observations will be so huge, expensive, and difficult to build and launch that we can't afford to waste a single second of time on them, which is why it is so important to think through all of these potential issues ahead of time."

Savransky and his colleagues used a model of our solar system to conduct their experiment. According to the results indicated in the study, the team of researchers found 21 cases within our solar system that a planet had the same brightness and separation as another planet.

Additionally, the researchers found that an Earth-like planet could be confused as a Mercury-like planet in 36% of randomly generated solar systems. On top of that, an Earth-like planet could be mistaken for a Mars-like planet 43% of the time in randomly generated solar system models. Venus was 72% of the time.

While those statistics are certainly disheartening, the researchers found that gas-giant planets were not mistaken as Earth-like, with the percent occurrence only being 1-4%. For more information on this story, check out this link here.

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Jak joined the TweakTown team in 2017 and has since reviewed 100s of new tech products and kept us informed daily on the latest science and space news. Jak's love for science, space, and technology, and, more specifically, PC gaming, began at 10 years old. It was the day his dad showed him how to play Age of Empires on an old Compaq PC. Ever since that day, Jak fell in love with games and the progression of the technology industry in all its forms. Instead of typical FPS, Jak holds a very special spot in his heart for RTS games.

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