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Tag Archives: life
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
Posted in Aliens, Class, Space Travel
Tagged astro2110, blog7, fermiparadox, life
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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
Posted in Aliens, Class, Observables
Tagged astro2110, blog7, drakeequation, Kepler, life, Uncategorized
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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
Posted in Class
Tagged Alien Life, astro2110, astrobiology, bacteria, blog7, earth, extremophiles, life, NASA, tardigrade
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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
Posted in Aliens, Class, Observables
Tagged aliens, astro2110, blog7, Class, fermi, life, Observables
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Blog 7 – Where did life on Earth come from?
Many people, myself included, may have assumed that life developed here on Earth and evolved from there. However, other promising theories suggest that life may have originated elsewhere and then traveled to Earth on meteorites. These theories are called panspermia theories. Although space is a very harsh vacuum environment, experiments have determined that a number […] Continue reading
Life Beyond Earth
There have been many recent discoveries that suggest life exists beyond Earth. Some of these include new findings on Enceladus (a small moon of Saturn), exoplanets, and even Mars. Enceladus NASA’s Cassini spacecraft collected data that allowed us to simulate the geochemistry of phosphorus in the ocean. This study helped us reach some interesting conclusions […] Continue reading
Crop Circles, Extraterrestial Communication, and a Response to the Arecibo message
In 2001, right near the world’s largest radio telescope in England, a strange phenomenon was observed. The crops near the telescope formed into an interesting formation: This formation from above convincingly resembled a face. Scientists were baffled, and what’s even more interesting is what came next. so in 1974, Carl Sagan sent out the Arecibo […] Continue reading
Posted in Class, Historical, Science
Tagged blog7, life
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Astrobiology – Indicators of Life on Other Worlds
Astrobiology studies the past, present, and future of life in the universe. One facet of this interdisciplinary field is considering the possibility of life on other planets or worlds. Scientists utilize research in biology, chemistry, astronomy, and cosmology to help determine if life could exist elsewhere in the universe, and if so, how we can […] Continue reading
Posted in Aliens, Class, Exoplanets
Tagged astro2110, astrobiology, blog7, life, oxygen, Solar System, water
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Extremophiles (Post 7)
Extremophiles are types of organisms that can survive in abnormal or extreme conditions. The picture above is a popular tourist destination in Yellowstone National Park known as “Grand Prismatic Spring.” The spring is extremely hot at 160 degrees Fahrenheit but it is famous for its vibrant colors. These colors are actually caused by a type […] Continue reading
The Fermi Paradox : Are We Alone?
The Fermi Paradox Picture The universe is magnificently huge, and hence should have countless opportunities for life to develop, but that then begs the question, where are all the aliens? Due to the expansion of the universe being faster than the speed of life, there may be life throughout many galaxies, or even most of …
Posted in Class, Galaxies, Space Travel
Tagged astro2110, blog7, Class, Galaxies, life, milkyway, Solar System, Space Travel
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