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Apollo Astronauts and Solar Radiation
The Apollo astronauts narrowly avoided serious health problems, and even death due to exposure to radiation from the Sun. Here’s a plot of the approximate Solar proton flux during the Apollo era:...
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Aurora Borealis Timelapse
A recent APOD featured this beautiful video of the Northern Lights over Norway. The opening shot is almost exactly how I saw the aurora in 2012. The Sun is at the peak of its activity and therefore the...
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Solar Furnace
This one could just be filed under ‘this is really cool’. Also, I can’t believe it has passed me by my entire life. Have you ever heard of a solar furnace? It’s a James- Bond-esque creation which...
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Timelapse of the Earth’s Seasons Seen from Space
This video is a time-lapse of images taken from a geostationary satellite. It shows a whole year of the Earth’s orbit around the Sun from 2010 to 2011. You can see the difference in illumination...
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A Tour: From You to the Largest Structure in the Universe
Line 1. Let’s start with ‘typical’ humans. The average human adult male is 1.75 metres tall – that’s 3.83 cubits or 5.74 feet. The average female is 1.62 metres – that’s 5.4 light-nanoseconds or 0.008...
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UK Eclipse 2015 Photos
Today’s partial Solar eclipse is off to a great start here in Witney, where the cloud cover is working as a perfect solar filter. The eclipse culminated here as a smiling, Cheshire cat-style grin :)
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