NASA finds black mold fungus can survive on Mars — and it poses a threat to astronauts
- Microbial hitchhikers like the
black mold funguscan potentially survive on Marsand pose a threat to astronauts looking to set up camp on the fourth planet from the Sun.
- Black mold, also called ‘
toxic mold’, has been linked to allergic reactions like skin rashes, headaches and other symptoms.
- Researchers at the National Aeronautics and Space Administration (
NASA) and the German AerospaceCentre found that black mold can survive Martian conditions by launching them into the Earth’s stratosphere.
Researchers at the National Aeronautics and Space Administration (NASA) and the German Aerospace Centre tested the endurance of microorganisms in Martian conditions by launching them into the Earth’s stratosphere.
"We successfully tested a new way of exposing bacteria and fungi to Mars-like conditions by using a scientific balloon to fly our experimental equipment up to Earth's stratosphere," said Marta Filipa Cortesão, co-author of the study published in Frontiers in Microbiology.
AdvertisementBut there’s a catch. These microbial hitchhikers pose a threat to astronauts who may be looking to settle down on Mars one day. The black mold fungus poses a potential health risk, even though studies are yet to prove exactly how much exposure is too much.
Why is black mold dangerous?
Black mold — also called ‘toxic mold’ — is more of a legal construct, than a medical diagnosis, according to US Poison Control.
Nonetheless, there is research to suggest that there is a correlation between the presence of black mold and serious health problems. A 2016 study published in Analytical and Bioanalytical Chemistry suggests that the presence of black mold in contaminated buildings can lead to skin rashes, headaches, dizziness and chronic fatigue.
“With crewed long-term missions to Mars, we need to know how human-associated microorganisms would survive on the Red Planet, as some may pose a health risk to astronauts," noted co-author Katharina Siems.
On Earth, mild or even dire symptoms can be easy to treat. But, on Mars, where supplies are likely to be limited, they could severely impact the productivity of the astronauts posted on the planet.
What does this mean for manned missions to Mars?
The ability of microbes to survive in extreme conditions — the good and the bad — could have major implications for missions like
To be fair, samples of microbes were only sent up to Earth’s stratosphere. Not the real deal located 225 million kilometres away.
Many key characteristics of the environment at the Martian surface cannot be found or easily replicated at the surface of our planet. But, scientists believe that — above the Earth’s ozone layer — the middle stratosphere provides conditions that are remarkably similar.
AdvertisementThe survival of microbes could actually be good news since the end goal is to create
Meanwhile, NASA’s latest mission, Perseverance, has landed on Mars and one part of its mission is to hunt for life that may already exist on its seemingly barren surface.
AdvertisementWhile exploring outer space, one just needs to be doubly sure that any life that is found — even if its microbes — is not something that travelled from Earth in the first place.
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