Gliese 581g - Scientists Find What May Be The First Truly Habitable Exoplanet
The researchers estimate that the average surface temperature of the planet is between
-24 and 10 degrees Fahrenheit (-31 to -12 degrees Celsius). Actual temperatures would range from blazing hot on the side facing...
astronomy
astrophysics
discovery
earth-like
exoplanet
gliese 581g
gravity
habitable
keck observatory
life forms
liquid water
milky way
observations
planetary system
radial velocity
research
space science
starsystem
telescope
temperature
