Earth is the third planet from the Sun and the only astronomical object known to harbor life. This is enabled by Earth being a water world, the only one in ...
5 days ago · Earth, third planet from the Sun and the fifth largest planet in the solar system in terms of size and mass. Its single most outstanding ...
We observe our planet's oceans, land, ice, and atmosphere, and measure how a change in one drives change in others. We develop new ways to observe and study ...