Video Fact Check Results

Let's break down the claims in the text and verify their accuracy: 1.

Original video: https://vm.tiktok.com/ZNdYM9T17/

Fact checked on: April 19, 2025

Fact Check Analysis

Let's break down the claims in the text and verify their accuracy:

1. Claim: "Scientists have just said that they are 99.7% sure that there is life on this planet that's only 124 light years away."

- Verification: This claim is not accurate. As of the latest updates, scientists have not confirmed the existence of life on any exoplanet, including K2-18b. While there are studies that suggest certain chemical signatures could indicate potential habitability or biological activity, no definitive evidence of life has been found. The 99.7% confidence level mentioned is not a standard or reported figure in scientific literature regarding the discovery of extraterrestrial life.

2. Claim: "Scientists were able to use the James Webb Space Telescope to analyze the light coming off of K2-18b's atmosphere."

- Verification: This is accurate. The James Webb Space Telescope (JWST) is indeed being used to study the atmospheres of exoplanets, including K2-18b. The telescope's advanced instruments allow scientists to analyze the light spectra from these distant worlds to infer the composition of their atmospheres.

3. Claim: "It was missing one important part of the light. This unique part of the light that's missing indicates to scientists with 99.7% confidence that there is a gas on the planet called DMS."

- Verification: This claim is misleading. While scientists can detect certain gases in exoplanet atmospheres through spectral analysis, the specific claim about DMS (dimethyl sulfide) being detected with 99.7% confidence is not substantiated by current scientific findings. DMS is indeed a gas associated with biological processes on Earth, but its detection on an exoplanet would require extraordinary evidence, which has not been publicly reported.

4. Claim: "DMS on earth only exists as a result of life and is produced in massive amounts by phytoplankton."

- Verification: This is partially accurate. DMS is a compound that is primarily produced by marine phytoplankton and is considered a biogenic gas on Earth. However, saying it "only" exists as a result of life is slightly misleading, as there could be non-biological processes that produce similar compounds, though they are not known to occur naturally on Earth.

5. Claim: "This planet is basically an ocean planet."

- Verification: The classification of K2-18b as an "ocean planet" is speculative. While K2-18b is believed to be a sub-Neptune exoplanet that might have water vapor in its atmosphere, the exact nature of its surface and whether it has oceans is not confirmed. The term "ocean planet" suggests a world covered entirely by water, which remains a hypothesis rather than a confirmed fact for K2-18b.

In summary, while the James Webb Space Telescope is indeed being used to study exoplanets like K2-18b, the claims regarding the detection of life or specific gases like DMS with high confidence are not supported by current scientific evidence.

Video transcript

It blows my mind that more people don't realize that today was one of the most groundbreaking days for space in history. Scientists have just said that they are 99.7% sure that there is life on this planet that's only 124 light years away. What's even crazier is how they figured this out. Scientists were able to use the James Webb Space Telescope to analyze the light coming off of K2-18b's atmosphere and it was missing one important part of the light. This unique part of the light that's missing indicates to scientists with 99.7% confidence that there is a gas on the planet called DMS that on earth only exists as a result of life and is produced in massive amounts by phytoplankton and this planet is basically an ocean planet which makes me wonder what other life is lurking in the oceans of K2-18b.