Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Mars
[03]
Distance: About 228 million km (1.5 astronomical units).
Year: One Martian year is equal to 687 Earth days.
Temperature: Around -60 °C, dropping to -125 °C at the poles in winter.
Atmosphere: Very thin, consisting of 95% carbon dioxide, with frequent dust storms.
Earth
[02]
Distance: 149.6 million km from the Sun.
Year: 365.25 Earth days.
Temperature: Average surface temperature around 15 °C.
Atmosphere: Mostly nitrogen and oxygen, supporting life and liquid water.
Venus
[06]
Distance: 108.2 million km from the Sun.
Year: 225 Earth days.
Temperature: Around 465 °C — the hottest planet in the Solar System.
Atmosphere: Extremely dense, mostly carbon dioxide, with clouds of sulfuric acid.