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Tag Archives: blog9
A Semester Reflection
Taking astronomy this semester has been awesome. I’ve always loved space but had never previously had the chance to learn about it in a formal setting. It’s unfeasible for us humans to have a real understanding of the size of the universe – numbers like “billions of light-years” are impossible fully grasp when the only […]
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Tagged astro2110, blog9, reflection, Uncategorized
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Propulsion Methods
Image Source In the class, we talk about the measures to accelerate spacecraft and satellites that one day may make interstellar travel possible for humans in their lifetime. And in this blog I would like to introduce some other practical and hypothetical propulsion methods. The first method is a practical one called ion thruster, a […]
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Drake Equation
One of the most interesting things that we have covered this semester is the Drake Equation. This equation uses probability to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way Galaxy. What I like most about this … Continue reading →
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Where is everyone?
This past couple weeks, we spent time looking in-depth at the Drake equation, a hypothetical equation that uses estimation to “calculate” how many communicating civilizations there likely should be within any one galaxy. Using accepted values for each variable within the Drake equation, this number is roughly 30 for one galaxy. That number multiplied by the […]
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Posted in Aliens, Universe
Tagged astro2110, blog9, drakeequation, fermiparadox
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Half Empty or Half Full?
Fermi’s paradox has some unsettling points depending on how you see the glass.
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Posted in Class, Physics, Space Travel
Tagged astro2110, blog9, fermi, life, space, technology
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God the Engineer of Life?
In Lawrence M. Krauss’s piece in the New Yorker, No, Astrobiology Has Not Made the Case for God, he responds to an article entitled Science Increasingly Makes the Case for God published in the Wall Street Journal by Eric Metaxas. In Metaxas’ piece, he writes about how miraculous and statistically infinitesimal the likelihood that life […]
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Posted in Aliens
Tagged astro2110, blog9, extraterrestriallife, God, Uncategorized
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Blog 9 (The Unlikelihood of Intelligent Life)
Based on current scientific evidence, asteroids could have spread organic molecules to Earth and many other planets throughout the universe. In all likelihood, there are many organic molecules on most of the planets in the habitable zones of their galaxies, and it definitely seems possible that with all these organic molecules, some kind of primitive […]
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Posted in Class, Universe
Tagged astro2110, blog9, extraterrestrials, intelligent life
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The Drake Equation
The Drake Equation has been one of the most interesting things that I have learned about so far in this course. The video I have linked above does a very good job summarizing the different parts of the Drake Equation and how they are calculated. Towards the end of the video, it also talks … Continue reading The Drake Equation →
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The Drake Equation
The Drake Equation has been one of the most interesting things that I have learned about so far in this course. The video I have linked above does a very good job summarizing the different parts of the Drake Equation and how they are calculated. Towards the end of the video, it also talks … Continue reading The Drake Equation → Continue reading
How did life get started on Earth?
Well unfortunately no one knows for sure. The most prehistoric life that has ever been discovered, called stromatolites in Australia, can be dated back to 3.4 billion years ago. This life however is fairly evolved; it has cell walls and DNA (the more evolved version of RNA which still transmits the software for life today). […]
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Tagged astro2110, blog9, extremophiles
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