Tag Archives: Space

Evidence of liquid water found on Mars

Rather than attempt to write about this, I’m just going to embed a couple of tweets from NASA. "Under certain circumstances, liquid water has been found on Mars" – Jim Green, NASA Planetary Science Director https://t.co/MvErxberG3 — NASA (@NASA) September 28, 2015 … Continue reading

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Snowden’s answer to the Fermi Paradox and its assumptions

The Fermi Paradox is the question that, if the conditions for life in the galaxy are as ubiquitous as they appear to be, so that there should be hundreds, if not thousands of alien civilizations out there, then where is … Continue reading

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‘The Martian’: Robinson Crusoe meets Apollo 13

I recently read Andy Weir’s novel: ‘The Martian‘.  Weir’s book is a self publishing success story.  An admitted life long geek, he enjoyed thoroughly researching how a mission to Mars might work and what might go wrong with it.  He … Continue reading

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NASA has never accidentally sent a probe into the Sun.

Last week, I was having lunch with some friends, which included a number of programmers.  One of them mentioned an old urban myth, that I hadn’t heard in several years, which claims that, due to a programming bug (involving a misplaced semicolon), NASA once … Continue reading

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The problems with ensuring humanity’s survival with space colonies

Stephen Hawking, as he has done before, expresses a common sentiment, that we need to colonize space in order to survive. Humans should go and live in space within the next 1,000 years, or it will die out, Stephen Hawking … Continue reading

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G-HAT (Glimpsing Heat from Alien Technologies)

For those interested in the post about finding advanced civilizations in other galaxies by their heat emissions, Paul Gilster at Centauri Dreams has a write up about the study, including links to additional material as well as the actual paper. I found that … Continue reading

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Searching for advanced civilizations in other galaxies: 50 possible candidates found?

At first, this article seems like a bit of a downer: Search for advanced civilizations beyond Earth finds nothing obvious in 100,000 galaxies — ScienceDaily. After searching 100,000 galaxies for signs of highly advanced life, a team of scientists has … Continue reading

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Dark energy may be less energetic than previously thought

This is interesting.  Astronomers discovered dark energy, the energy causing the rate of expansion rate of the universe to speed up, by looking at large numbers of Type 1a supernovae. Type 1a supernovae are white dwarfs (collapsed stars after their … Continue reading

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Greg Egan’s Amalgam is close to the most likely interstellar civilization

The other day, I did a post engaging in speculation on, assuming we don’t discover a completely new physics, what I thought an interstellar civilization might look like.  In summary: Given special relativity, travel faster than the speed of light is … Continue reading

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Interstellar: more accurate than the typical sci-fi movie, but still had issues

This week, I watched the movie Interstellar, the Christopher Nolan film about travel to another galaxy, a black hole, a wormhole, and other exotic environments.  I enjoyed it immensely, although I also had some issues with it. In the film, at … Continue reading

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