By Tim Carr
You might think that anyone who published a book in 15th century Europe, saying that the Earth was just another world orbiting the sun rather than the centre of the universe, might run foul of the catholic church very quickly. That is just what the German cardinal Nicholas Krebs did in 1440 more than a century before … Read the rest of this article
By Tim Carr
At the western edge of the Sea of Storms on the Moon, there is a crater named Hevel. Seventy miles wide, its walls are 6,000 ft high in places and a good telescope will show a fine system of rilles on the crater floor. It is named after a German astronomer called Johannes Hevel (or Hewelcke) … Read the rest of this article
By Tim Carr
Being a contemporary of Isaac Newton and Edmund Halley is not a recipe for fame but James Bradley was not the sort to worry about such things. His contribution to
modernizing astronomy speaks for itself.
Born in 1693, he studied theology at Oxford but developed a fascination for astronomy from his uncle, James Pound, who was a … Read the rest of this article
The Sun Now (Visible light)
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The Sun Now (H-Alpha light)
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Aurora Oval
(Northern Hemisphere) |
Aurora Oval
(Southern Hemisphere) |
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