Join Donate

The Bruce Murray Space Image Library

One of the first spacecraft photos of Phobos, from Mariner 7

One of the first spacecraft photos of Phobos, from Mariner 7

NASA / JPL / Piotr Masek

One of the first spacecraft photos of Phobos, from Mariner 7
The small, dark spot near the top of this photo is Phobos. Phobos covers about 40 picture elements. From this data, Phobos was found to be an oval object approximately 22.5 kilometers long and 17.5 kilometers wide. Also, it was concluded that Phobos is a very dark object, with an albedo of 6.5%.

Frame 7F91.

This work is licensed under a Creative Commons Attribution 3.0 Unported License. For uses not allowed by that license, contact us to request publication permission from the copyright holder: Piotr Masek

Original image data dated on or about August 4, 1969

Explore related images: Bruce Murray Space Image Library, pretty pictures, amateur image processing, NASA Mars missions before 1996, Mars, many worlds, Phobos

You are here:
Comments & Sharing
More Images
Bill Nye and people
Let's Change the World

Become a member of The Planetary Society and together we will create the future of space exploration.

Join Today

Bruce Murray and Carl Sagan
Pretty Pictures

Support the Bruce Murray Space Image Library and help us share the wonders of other worlds.

Donate

"We're changing the world. Are you in?"
- CEO Bill Nye

I'm In!