Scientists worried over NASA possibly bringing alien germs to Earth

Some scientists are worried about the possibility of NASA accidentally bringing alien germs to Earth and contaminating our planet.

1 minute & 47 seconds read time

NASA plans to eventually transport samples from its Perseverance mission currently being conducted on the red planet back to Earth.

Scientists worried over NASA possibly bringing alien germs to Earth 02

While the effort of landing, acquiring, and transporting Martian samples back to Earth for scientific study has been years in the making, there are scientists that are concerned that the samples may contain alien germs. Peter Doran, a geologist at Louisiana State University, explained that there is a very low chance that the samples will contain any form of life, "but there is a possibility".

To combat the concerns from researchers around the world about potential contamination NASA is proposing to hold a public meeting that asks for feedback on its Mars retrieval mission. At the moment, the space agency's current plan to transport Mars samples back to Earth involves launching the samples from the surface of Mars into orbit, where they will be collected by another spacecraft and transported back to our blue planet for analysis. Additionally, NASA will be sterilizing any surface that the Mars samples have touched.

Notably, Jim Bell, a planetary scientist at Arizona State University, believes that even if there were germs on the samples, they would not be able to survive on Earth.

"We're talking about a completely different ecosystem, a completely different potential biosphere. And, of course, we don't know if there is or was a biosphere on Mars at all," said Jim Bell.

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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, space, and artificial intelligence 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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