Solar System: Quick Facts

Dec 2020|🟢Current|2 min read|51 entries

Key Takeaway

Our solar system consists of Sun, 8 planets (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus & Neptune), their satellites, asteroids, and comets.In this post, we'll discuss some of the interes...

Last verified: 12 Feb 2026·Source: www.pscarivukal.com

Solar System: Quick Facts(51)

Total No. of Planets
8
Total No. of Known Satellites
180
Largest member of the Solar System
Sun
Closest Galaxy to the Milky Way
The Andromeda Galaxy(M31)
Largest Planet
Jupiter
Smallest Planet
Mercury
Nearest Planet to the Sun
Mercury
Farthest Planet to the Sun
Neptune
Hottest Planet in the Solar System
Venus
Coldest Planet in the Solar System
Neptune
Planet with the Shortest Revolution
Mercury
Planet with the Fastest Revolution
Mercury
Planet with Lowest Escape Velocity
Jupiter
Planet with the Highest Density
Earth
Planet with the Lowest Density
Saturn
The Planet Closest in Size to the Earth
Venus
The planet that reflects sunlight the most
Venus
Largest Asteroid in the Solar System
Ceres(Diameter: 945km)
Planets with no Moons/Satellites
Mercury & Venus
Planet with the Largest No. of Moons
Saturn(82)
The only large moon in the solar system to orbit in the opposite direction to its planet’s rotation(retrograde orbit)
Triton
Largest Satellite/Moon in the Solar System
Ganymede(Jupiter)
Smallest Satellite/Moon in the Solar System
Deimos(Mars)
The only satellite with an earth-like atmosphere
Titan(Saturn)
The Windiest Planet
Neptune
Green Planet
Uranus
Brightest Starin the Earth's Sky
Sirius(Dogstar, Constellation: Canis Major)
Biggest Storm
Great Red Spot(Jupiter)
Planet that has the Longest Day
Venus(5,832 hours)
Planet that has the Shortest Day
Jupiter(9 hr 55 min 29.69 sec)
Planet with the Shortest Year
Mercury(88 days)
Planet with the Longest Year
Neptune(60,190 days)
Largest known Volcano in the Solar System
Olympus Mons(Mars)
Planet with Most No. of Volcanoes
Venus(more than 1600)
Fastest Spinning Planet in the Solar System
Jupiter
Planet that has the Fastest Revolution time
Mercury
The Largest Object in the Kuiper Belt
Pluto
Planets found in the Kuiper Belt
Haumea, Makemake & Pluto
Dwarf Planets
Haumea, Ceres, Eris, Makemake & Pluto
Largest Dwarf planet in the Solar System
Eris(discovered in January 2005)
Planet that has approximately the same landmass as Earth
Mars
The time required for light to travel between Moon and Earth is
1.3 seconds
The time taken by the sunlight to reach the Earth
8 minutes 18 seconds
Planets with rings
Jupiter, Saturn, Uranus & Neptune
Planet with Largest Axial Tilt in the Solar System
Uranus(98°)
The only planet which takes more time to complete rotation than a revolution
Venus
The minor planets revolving between the orbits of Jupiter & Mars are called
Asteroids
Naming of Planets & their moons are under
International Astronomical Union(IAU).–  established in 1919
The planet whose satellites are named after Greek mythological characters
Saturn
The planet whose satellites are named after the characters of Shakespeare and Alexander Pope
Uranus
With our technology growing by leaps and bounds, new planets and satellites are being discovered every year, so we'll be updating this list as new information comes in.📝SideNotes:Kuiper Belt
a disk-shaped region found in the outer solar system, past the orbit of Neptune