All Blog Posts Tagged 'solar' (6)



The old school definition of the planets was "Any of these seven celestial bodies, Sun, Moon, Mercury, Venus, Mars, Jupiter, and Saturn, that shineth and wandereth about the starry heavens" or something like that. The specific language has been…


Added by Brad Snowder on January 24, 2015 at 2:58pm — 10 Comments

Scientists are now admitting that nuclear power is greener than other alternatives

The full read from which the following quote is taken is here.

Nuclear power is one of the least damaging sources of energy for the environment, and the green movement must accept its expansion if the world is to…


Added by Unseen on January 8, 2015 at 12:29pm — 36 Comments


analemma on globe 24 hours in a day, 24 beers in a case. Coincidence? Well yeah, maybe. Or maybe not. It probably has something to do with those pesky ancient Babylonians and their obsession with overwrought symbolism. Somehow they got onto a kick about how magical the number 60 is, and how that divides nicely by 12, and then some of the grain stock got wet and smelly, and well I think you can…


Added by Brad Snowder on January 12, 2014 at 11:07pm — 3 Comments

Happy Mars Curiosity Day

Someday there will be a town here. New Pasadena. One whole year ago my fellow NASA tweeps and I were at JPL in Pasadena listening to Allen Chen give us live play by play updates as Curiosity descended to the Martian surface and the famous seven minutes of terrible possibilities unfolded. Even Neil deGrasse Tyson has since admitted he had severe doubts about the Rube Goldberg landing scheme. You can get an…


Added by Brad Snowder on August 4, 2013 at 2:18am — 3 Comments

Coronado SolarMax

The Coronado SolarMax II 60mm, f/6.6, <0.5A H-α, BF15 The Scope

60mm, f/6.6, <0.5A H-α, BF15.

And here's what all that technical mumbo jumbo means.

The telescope is a refractor and the diameter of the lens is 60mm. The f/6.6 means the length of the scope is 6.6 times longer than it is wide which makes it 396 mm long (but everyone says…


Added by Brad Snowder on July 28, 2013 at 3:43am — 3 Comments

A Hero Story

There is a hero. Everyone loves him because he is charitable and people’s lives tend to flourish under his watchful eye. But there is a nemesis, a huge and hideous reptile, the largest ever seen, who rises slowly from beneath the Earth bringing death and darkness and fear in his wake. The hero goes down to meet the terrible creature and to do battle with him.…


Added by Brad Snowder on April 20, 2013 at 10:38pm — No Comments

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