how many stars are there in the solar system
Answers
Answer:
30.10 AU (4.5 bill. km; 2.8 bill. mi)
Explanation:
Solar System
Planetary system
Semi-major axis of outer known planet (Neptune) 30.10 AU (4.5 bill. km; 2.8 bill. mi)
Distance to Kuiper cliff 50 AU
Populations
Stars 1 (Sun)
How many stars are in our galaxy?
The Sun belongs to a galaxy called the Milky Way. Astronomers estimate there are about 100 thousand million stars in the Milky Way alone.
What is the biggest star in the universe?
UY Scuti
The largest known star in the universe, UY Scuti is a variable hypergiant with a radius around 1,700 times larger than the radius of the sun.
What is the closest star to Earth?
The closest star to Earth is a triple-star system called Alpha Centauri. The two main stars are Alpha Centauri A and Alpha Centauri B, which form a binary pair. They are about 4.35 light-years from Earth, according to NASA.