Tag Archives: space

Measuring Dimensions

We live on a rocky ball about 12,750 kilometers through and 40,050 kilometers around its widest diameter. It has a mass of about six quadrillion megatonnes, which is so ridiculously large compared to things we’re used to that it doesn’t … Continue reading

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Balloon Launch System

I’m linking to this story about high altitude balloons because it has a small reference to the balloon-based rocket launch system that I wrote about in the Green Comet Trilogy. It’s nice to know that my idea wasn’t impractical. [Zhou … Continue reading

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It’s Never Aliens

It was a good year for aliens. Whether it was the fluctuations in the brightness of Tabby’s star, the oddly shaped interstellar visitor that passed through the Solar System, or a spate of sightings of UFOs, aliens received a lot … Continue reading

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NASA Video – 2017 Hurricanes

NASA has compiled a two minute video showing the interactions between the major hurricanes of 2017 with the aerosols dust, smoke and sea salt. The dust (brown) can be seen coming from the Sahara and heading out over the Atlantic … Continue reading

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NASA Image and Video Library

You might be aware of the website dedicated to the Astronomy Picture of the Day (APOD.) You can visit the site and see another great picture every day. Some people even set things up so their computer’s desktop image is … Continue reading

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