Light takes eight minutes to reach Earth from the surface of the Sun. But its journey within the Sun takes hundreds of thousands of years. What is going on in there? What are light and heat? How does the Sun produce them and how on earth did…
1642, een eeuw Copernicanisme: ook voor de Zuid Nederlander? (Steve Philips) home lijst scripties inhoud vorige ... volgende 4.1 Van Aristoteles tot Galileï. Het Copernicanisme is een onderdeel van de grote Wetenschappelijke Revolutie, die in de…
On most nights and days, the Moon is visible somewhere in the sky. For many, simply noticing it is a pleasure, yet it is also a fascinating world of craters, mountains, and volcanoes worthy of a closer look.
The 21st Century Atlas of the Moon is…