NASA NASA Earth Observatory

NASA Earth Observatory is an online publishing outlet for NASA which was created in 1999. It is the principal source of satellite imagery and other scientific information pertaining to the climate and the environment which are being provided by NASA for consumption by the general public.

NASA NASA Earth Observatory

Science Facts Written by NASA NASA Earth Observatory


The Importance Of Clouds And Aerosols To Climate Change

Everything, from an individual person to Earth as a whole, emits energy. Scientists refer to this energy as radiation. As Earth absorbs incoming sunlight, it warms up. The planet must emit some of ... Continue reading

Earth's radiation budget is a balance between incoming and outgoing radiation.

What Is A Coccolithophore?

Like any other type of phytoplankton, coccolithophores are one-celled marine plants that live in large numbers throughout the upper layers of the ocean. Unlike any other plant in the ocean, ... Continue reading


Astronaut Photography

Astronauts are trained in scientific observation of ecological, geological, geographic, oceanographic, environmental, and meteorological phenomena. They are also instructed in the use of photographic ... Continue reading

Venice as photographed by crew members aboard Space Station Alpha.

Inventor Samuel Pierpont Langley

Born in the Boston suburb of Roxbury, Ma., Samuel Langley was one of America's most accomplished scientists. His work as an astronomy, physics, and aeronautics pioneer was highly regarded by the ... Continue reading

A portrait of Samuel Langley

CALIPSO in 2004

From reports of increasing temperatures, thinning mountain glaciers and rising sea level, scientists know that Earth's climate is changing. But the processes behind these changes are not as clear. Two ... Continue reading


Benjamin Franklin, Science Founding Father

While popularly known for his role as one of the United States' founding fathers, Benjamin Franklin was also a renowned scientist who made a number of substantial contributions in the field of Earth ... Continue reading