what we know about the sun and universe
by Dane Power
1. the mass of the sun is 1.989e30 kg
2. temperature: 5800 K (surface) 15,600,000 K (core)
3. The Sun is personified in many mythologies: the Greeks called it Helios and the Romans called it Sol.
4. mass of ordinary matter is At least 1053 kg
5. It includes living things, planets, stars, galaxies, dust clouds, light, and even time. Before the birth of the Universe, time, space and matter did not exist.
6. The Universe contains billions of galaxies, each containing millions or billions of stars.
7. Average temp of the universe 2.72548 K
8. History of The Sun. The Sun is by far the largest object in the solar system. It contains more than 99.8% of the total mass of the Solar System (Jupiter contains most of the rest). It is often said that the Sun is an "ordinary" star.
9. 1,390,000 km in diameter
10. Ordinary (baryonic) matter (4.9%); Dark matter (26.8%); Dark energy (68.3%)
11. the average density 4.5 x 10−31 g/cm3
