States, regions and city of the world all have their own flag, A banner that symbolizes history or qualities. But ...

Earth is full of surprising secrets that sometimes seem like they belong in science fiction stories. From strange natural events to hidden places deep underground or in the oceans, many facts ...

Several years later, in 1972, Apollo 17 astronauts captured the "Blue Marble" photo—a fully illuminated image of Earth, from the South Pole to all continents.

The "Blue Marble" was the first photo of the whole Earth and the only ever taken by a human. Fifty years on, new images of the planet reveal visible changes to the Earth's surface.

Apollo 17 'The Iconic Blue Marble': Human's First Photograph of a Fully Illuminated Earth, December, 1972 Vintage chromogenic print (c-print) 8 x 10 in. (20.32 x 25.4 cm.) A Paper Manufactured by ...

NASA/Don Pettit From the vantage point of the International Space Station (ISS), Earth often appears as a vibrant marble — blue oceans, green continents, and swirling white clouds.

Blue Ghost was designed to operate on the surface of the moon for one lunar day, or about two Earth weeks. Then, the sun will set on the moon and the lander's batteries will deplete within a few ...

“The Blue Marble” is the first fully illuminated photograph of Earth taken from outer space in 1972 by the Apollo 17 crew as they made their way to the moon. Though blurry and partial images of ...

Spectacular as the view is from 200 miles up, the Earth is not the awe-inspiring “blue marble” made famous by the photos from the moon. From space shuttle height, we can’t see the entire ...