Tag Archives: life

Blog 8 – Beyond Saturn

There is likely a subsurface ocean on Enceladus! Enceladus is the sixth moon of Saturn and is the brightest world in the solar system. This world is small and icy, which lead scientists to believe it was geologically dead, as most small, icy worlds tend to be. However, it was discovered geyser-like jets spew water […] Continue reading

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Blog 7 – Extremeophiles on Mars?!

Unfortunately, life on other planets has not yet been found but astronomers and astrobiologists are constantly working to find any signs of it in our solar system and beyond. One of the most investigated worlds is our neighbor, Mars. While evidence has not yet been found, there have been discoveries that lead some to believe […] Continue reading

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Life On? Venus

Venus is known as Earth’s sister planet due to their similar sizes and structures, but Venus is a very different world than what we know on Earth. As NASA notes, if you were to slice both Venus and Earth down the middle, their interiors would be very similar, but their surfaces are much different. One […] Continue reading

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Life on Europa??

One of humanity’s greatest wonders is if life could exist outside of Earth. Surely humans are not the only living creatures to exist in the entire universe, but where could other organisms flourish? Scientists have identified three key criteria that make life possible: liquid water, chemistry, and energy. Europa, one of Jupiter’s moons and the […] Continue reading

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Astrobiology & The Search For Life

Astrobiology is the study of life that occurs somewhere other than Earth, as we’ve learned in class, and this blog post emphasizes its developments and possible future directions. There have been substantial scientific, technological, and programmatic advances achieved in the hunt for extraterrestrial life since the 2015 publication of NASA’s Astrobiology Strategy. Understanding the beginnings […] Continue reading

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How Extremophiles Work

As we talked about in class a few weeks ago, Extremophiles are living things that flourish under challenging conditions.They are amazing because they can endure situations that would be fatal to the majority of other life forms. They originate from Archaea, Eubacteria, and Eukarya, the three branches of the three-domain categorization scheme. Extremophiles have caused […] Continue reading

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Where Are All the Aliens? Potential Solutions to the Fermi Paradox

In class, Dr. G mentioned a Wait But Why article about the Fermi Paradox. I absolutely love this article and the entire concept of the Fermi Paradox–I even wrote about it in my Common App essay four years ago! The Fermi Paradox, first informally presented by physicist Enrico Fermi, describes the apparent contradiction between our […] Continue reading

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The Statistics of Life

Artist interpretation of Kepler-452b, currently the most Earthlike planet discovered, which could potentially have an atmosphere and life Source: NASA Ames/JPL-Caltech/T. Pyle When faced with an effectively boundless universe, it inevitable to ask the question of how many other lifeforms are out there. In asking this question we tend to be a bit biased, looking […] Continue reading

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Extremophiles: life finds a way

I remember first learning about extremophiles back in the sixth grade. Back then, I was fascinated by life’s ability to find a way to survive even in the ‘worst’ conditions. Now that I’m older, I am no less fascinated by these amazing organisms, their ability to thrive, and their connection to astronomy. (I only recently […] Continue reading

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the fermi paradox

Sir Arthur C. Clarke, a British science fiction author, said that “two possibilities exist: either we are alone in the universe or we are not. Both are equally terrifying”. And he was exactly right! The more that we learn about and explore the universe, the more we learn about the possibility of life out there, […] Continue reading

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