What is our solar system called
- how planets in our solar system
- what planets in our solar system have rings
- what planets in our solar system have moons
- what planets in our solar system are gas giants
Photos of planets in our solar system.
Solar System
The Sun and objects orbiting it
For other uses, see Solar System (disambiguation).
without captions with captions The Sun, planets, moons and dwarf planets[a] | |
Age | 4.568 billion years[b] |
---|---|
Location | |
Nearest star | |
Stars | Sun |
Planets | |
Known dwarf planets | |
Known natural satellites | 758[D 3] |
Known minor planets | 1,368,528[D 4] |
Known comets | 4,591[D 4] |
Star spectral type | G2V |
Frost line | ~5 AU[5] |
Semi-major axis of outermost planet | 30.07 AU[D 5] (Neptune) |
Kuiper cliff | 50–70 AU[3][4] |
Heliopause | detected at 120 AU[6] |
Hill sphere | 1.1 pc (230,000 AU)[7] – 0.865 pc (178,419 AU)[8] |
Invariable-to-galactic plane inclination | ~60°, to the ecliptic[c] |
Distance to Galactic Center | 24,000–28,000 ly [9] |
Orbital speed | 720,000 km/h (450,000 mi/h)[10] |
Orbital period | ~230 million ye
|