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Tag Archives: astrobiology
Blog #3
The Earth is around 4.5 billion years old. The first half of the Earth’s existence (prior to the Great Oxidation Event which essentially introduced free oxygen (dioxygen) into the Earth’s atmosphere) was characterized by the presence of certain types of bacteria, although evidence of this existence on our planet is limited. However, last year, researchers … Continue reading Blog #3
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Made Out of Meat?
Space voyagers searching for intelligent life finds a race that has been trying to make contact for one hundred of its years – however, this species is so unlike anything these voyagers have ever contacted that they refuse to believe it’s even intelligent. When one of the voyagers convinces the other that the species is, […]
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Are We Alone in the Universe?
And why does that question seem to be so hard to answer? Our universe is vast. There’s no doubt about that. And statistically, we should be able to find life in some way, shape, or form somewhere in the seemingly endless cosmos. For every grain of sand on Earth, there are ten thousand stars in … Continue reading Are We Alone in the Universe? →
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Posted in Aliens, Class, Universe
Tagged astro2110, astrobiology, blog6, Fermi Paradox, The Great Filter
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APF Telescopes used to Discover Nearby Planetary System
This week, a collective team of astronomers from the University of Hawaii at Manoa, UC Berkeley & the University of …
Posted in Class
Tagged astro201, astrobiology, blog9, planetarysystems, telescopes
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Sending Chuck Berry to Space
In 1977, NASA launched the spacecraft Voyager 1 into space to observe Jupiter and Saturn and, eventually, to travel outside …
Posted in Aliens, Class, Instruments
Tagged astro201, astrobiology, blog9, communications, golden record, life, voyager
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Necessities of life
In looking at what planets can sustain life, one requirement always includes liquid water. From this we can narrow down our searches to a solar system’s habitable zone, which is the region surrounding a star capable of supporting liquid water. But are we limiting ourselves too much in our searches? What if life was capable […]
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Silicon based life
The silicon atom has been discussed as the basis for an alternative biochemistry system, since silicon is in the same group of periodical table as carbon and shares many chemical properties with carbon. As silicone-based chemicals are much more stable than equivalent hydrocarbons in a sulfuric-acid-rich environment that is found in many locations in the…
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Posted in Class
Tagged astro201, astrobiology, Biochemistry, blog9, chemistry, life
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Astrobiology and Cinema: The Europa Report
Just last year, a film was released that questioned the viability of life on Jupiter’s moon Europa. Barring too many spoilers, the crew and their ship face several non-biological roadblocks on their quest for life in a film whose … Continue reading →
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Posted in Class, Universe
Tagged astro201, astrobiology, Cinema, Solar System
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My Changing Perspective of the Universe
Image Source Prior to my enrollment in this class, I rarely thought about the Universe around me. Furthermore, I never truly comprehended the vastness of the Universe. In fact, although I do have a better understanding about the immense size of the cosmos, I feel as though I still cannot fathom the true size of […]
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Posted in Aliens, Class
Tagged astro201, astrobiology, blog10, extremophiles
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Extremophiles Aiding the Search For Extraterrestrial Life
Image Source About six months ago, scientists retrieved samples of water that are nearly two billion years old from the depths of a mine in Timmins, Ontario. They are now attempting to determine whether or not any life exists within the liquid. If in fact lifeforms are present within the water, this would be yet […]
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Posted in Aliens
Tagged astro201, astrobiology, blog9, extremophiles
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