Did you know? (BSL)
Our Sun is a star.
Star (BSL)
A star is mass of changing light as a result of being heated by gas that produces energy at its core by type of gases (Hydrogen and Helium) combining to form making more mass nuclear then release of energy nuclear fusion – most of the visible light in the universe is produced by stars.
How many stars? (BSL)
Today you see less the number of stars on the right above photo, compare in the past they were seen under the dark sky because of interference lights from the ground sources; floodlight, streetlights, etc – today you could see up to 2,000 stars at night sky with good eyesight under a dark skies.  4,000 stars are visible for both hemispheres. With great help by a pair of binoculars or telescopes that you see increasing the number of stars! – there are more than 100,000,000,000,000 stars in our Milky Way galaxy alone.  There are more other galaxies in the universe so together least a billion times more!
Closest star to Earth (BSL)
Our Sun is the closest star to Earth – average 93 million miles away from Earth to our Sun.
Next closest to Earth (BSL)
Multiple star system; Alpha Centauri in the Southern Hemisphere, this faintest and smallest star is known as Proxima Centauri, it has measured to be 4.3 light-years away from Earth. The main star in Alpha Centauri is about 4.4 light-years away.