Solar Energy Facts
- A Swiss scientist called Horace de Saussure invented the world’s first solar collector, or ‘hot box’ in 1767.
- In 5 billion years the Sun will run out of fuel and turn into a Red Giant.
- The famous astronomer Sir John Herschel used ‘hot boxes’ to cook his food when on an expedition to South Africa in the 1830s.
- We can produce laser light a million times brighter than sunshine.
- A lightning bolt is hotter than the surface of the Sun.
- It takes 8 minutes 17 seconds for light to travel from the Sun's surface to the Earth.