At the heart of our Solar System is the Sun. Every day, the Sun rises and sets and ancient astronomers used this consistency to erect temples to predict seasonal changes for the harvest. The warmth of the Sun is vital to life on Earth because of photosynthesis and its warmth heats the surface to help with weather changes. But what is the Sun made of? How does the Sun generate its energy? Will the Sun shine forever? The answers are within....
Image of Sun in white light Mean Distance from Earth: 149,598,000 km
Mean angular diameter: 32 arcmin
Radius: 696,109 km
Mass: 1.9891 x 1030 kg
Composition: 74% Hydrogen
25% Helium
1% Other
Mean Density: 1410 kg/m3
Mean Temperature: 5800K
Luminosity: 3.86 x 1026 Watts
Orbit about Galaxy: 220 million years
Orbital Speed: 220 km/s
This blog is all about Solar energy, solar panels, solar cells, solar energy and crises different nations faces in the energy sectors.....!
Saturday, February 26, 2011
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