October 29, 1996
The cosmos has been expanding since the beginning of time, making room for galaxies, for stars, for planets — and ultimately, for you.
Io Full Face Credit:
Birthday · October 29, 1996
A little universe, just for you
Your date.
Ready to give.
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APOD published October 29, 1996. Full image credits are on the original APOD entry below. A publication-date match, not a photo taken on your date. Independent of NASA.
Io is a colorful place. The closest large moon of Jupiter, Io is the most volcanic moon in the Solar System with its surface being completely buried in volcanic lava every few thousand years. The black and red material corresponds to the most recent volcanic eruptions and is probably no more than a few years old. This image by the automated spacecraft Galileo highlights the side of Io that always faces away from Jupiter. In this image released last week, picture colors have been adjusted to enhance contrast, but are based on real composite infrared, green and violet-light images.