kg
5.97x 10
kg
7.76x 10
Like the Earth, Proxima b orbits in the ‘habitable’ zone from its star, Proxima Centauri, where its temperature is such that any surface water could be liquid
Strangely similar
Earth
Habitable zone
149.6m km
Sun
Earth
7.5m km
Alpha
Centauri A
Alpha
Centauri B
Habitable zone
Proxima b
Mass
Proxima b has a similar mass to Earth and
might be rocky like us
Proxima
Centauri
Proxima b’s orbit. Every
year lasts 11 days
Proxima b
6
2
4
Light years
Proxima
Centauri
Proxima b
Solar
system
Proxima b
Proxima
Centauri
Habitable zone
Not to scale
Our nearest planet, outside the solar system, is 4.2 light years away and has similarities with planet Earth
kg
5.97x 10
kg
7.76x 10
Strangely similar
Earth
Habitable zone
149.6m km
Sun
Earth
7.5m km
Alpha
Centauri A
Alpha
Centauri B
Habitable zone
Proxima b
Mass
Proxima b has a similar mass to
Earth and might be rocky like us
Proxima
Centauri
Proxima b’s
orbit. Every
year lasts
11 days
Proxima b
6 light years
4 light years
2 light years
Proxima
Centauri
Proxima b
Solar system
Proxima b
Proxima
Centauri
Habitable zone
Like the Earth, Proxima b orbits in the ‘habitable’ zone
from its star, Proxima Centauri, where its temperature
is such that any surface water could be liquid
Not to scale
Our nearest planet, outside the solar system, is 4.2 light
years away and has similarities with planet Earth