There is ongoing scholarly debate about whether phosphine exists on Venus. If it does exist, then this may be an indicator of biological processes. Obviously,…
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Category: Life
Why might argon be an indicator of extraterrestrial life?
Astrobiology studies the origin, evolution, and possible distribution of life in the universe. One important aspect of astrobiology is the search for biosignatures and bioindicators.…
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How does electrical engineering inform off-planet food production?
There are many ways to engage with space. One required skillset, if humanity is to establish a more permanent presence off Earth, is electrical engineering.…
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How do you engineer sustainable human habitation in space?
To live off-planet, humanity will need to learn to use limited resources efficiently. The technologies we develop to support sustainable habitation are important off-planet. They…
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Why do you study space biology?
As far as we know, life only exists on Earth. How, then, does one combine interests in space and biology? One option is astrobiology, the…
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Will humans inevitably cause microbial colonization of space?
One area of concern in space exploration is forward and backward contamination – bringing life forms from Earth to other places or vice versa. There…
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What is astrobiology and how does one enter the field?
Astrobiology is a rapidly growing area of space science. It is characterized by interdisciplinarity, bringing together perspectives from various scientific fields. It also addresses one…
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How did the asteroid that killed the dinosaurs cause extinction?
One of the best-known mass extinction events in Earth’s history was the Cretaceous-Paleogene (K-Pg) extinction event. Dinosaurs were among the species that perished. It is…
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What does Australia’s outback teach us about astrobiology?
How did life originate on Earth? This is still an open question. It is furthermore one that relates to the field of astrobiology – knowing…
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How big a deal is forward contamination of other planets?
Forward contamination, meaning infecting other parts of the Solar System with life from Earth – how big a deal is it? Science fiction has long…
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