3. Mercury is the
smallest planet in
our solar system. It's
a little bigger than
The Moon. It is the
closest planet to the
Sun, but it's actually
not the hottest.
Venus is hotter.
Earth is the third
planet from the Sun
and the only place in
the universe where
there is life
habitability. Earth is
the only planet
known to sustain
liquid surface water,
Venus is the second
planet from the Sun
and Earth's closest
planetary neighbor.
Even though
Mercury is closer to
the Sun, Venus is
the hottest planet in
our solar system.
4. Distance from Sun: 58 million km
Orbital period: 88 days
Length of day: 59d 0h 0m
Gravity: 3.7 m/s²
Radius: 2,439.7 km
Mass: 3.285 × 10^23 kg
(0.055 M⊕)
5. Mercury is the
smallest planet in
our solar system. It's
a little bigger than
The Moon. It is the
closest planet to the
Sun, but it's actually
not the hottest.
Venus is hotter.
Earth is the third
planet from the Sun
and the only place in
the universe where
there is life
habitability. Earth is
the only planet
known to sustain
liquid surface water,
Venus is the second
planet from the Sun
and Earth's closest
planetary neighbor.
Even though
Mercury is closer to
the Sun, Venus is
the hottest planet in
our solar system.
6. Length of day: 243d 0h 0m
Distance from Sun:
108.2 million km
Orbital period: 225 days
Gravity: 8.87 m/s²
Radius: 6,051.8 km
Coordinates: RA 9h 33m 49s | Dec
+15° 13′ 57″
7. Mercury is the
smallest planet in
our solar system. It's
a little bigger than
The Moon. It is the
closest planet to the
Sun, but it's actually
not the hottest.
Venus is hotter.
Earth is the third
planet from the Sun
and the only place in
the universe where
there is life
habitability. Earth is
the only planet
known to sustain
liquid surface water,
Venus is the second
planet from the Sun
and Earth's closest
planetary neighbor.
Even though
Mercury is closer to
the Sun, Venus is
the hottest planet in
our solar system.
8. Age: 4.543 billion years
Distance from Sun:
149.6 million km
Surface area: 510.1 million km²
Land area: 148.9 million km²
Mass: 5.972 × 10^24 kg
Radius: 6,371 km
Population: 7.888 billion (2021)
