Astronomy Picture of the Day · July 1, 2003

Martian Moon Phobos from MGS

The Astronomy Picture of the Day for July 1, 2003 is “Martian Moon Phobos from MGS,” an image. It is credited to Credit: Malin Space Science Systems , MGS , JPL , NASA. The original explanation runs about 157 words.

From the explanation

“Why is Phobos so dark? Phobos , the largest and innermost of two Martian moons, is the darkest moon in the entire Solar System .”

— APOD editors, July 1, 2003

Read the full explanation on science.nasa.gov

At a glance

Date: July 1, 2003
Type: Image
Credit: Credit: Malin Space Science Systems , MGS , JPL , NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 157 words

All of July 2003 → · 2003 by month → · Full archive since 1995 →

Topics in this entry

The Moon Mars

Topics are matched from words in the title and explanation.

On this day: July 1 in other years

On Amazon

Popular picks for space fans

As an Amazon Associate I earn from qualifying purchases.

Electronics Amazon Kindle Paperwhite Signature Edition 32GB Read astronomy and space-history books anywhere. View on Amazon → Electronics Bose QuietComfort Wireless Headphones Noise-cancelling headphones for documentaries and launch livestreams. View on Amazon →

Source

Astronomy Picture of the Day, July 1, 2003 — science.nasa.gov/image-article/apod-2003-july-1-martian-moon-phobos-from-mgs

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.