The sky on
your birthday.
Galactic Supernova Remnant IC 443
About 8,000 years ago, a star in our galaxy exploded, creating supernova remnant IC 443. This infrared image shows the expanding gas shell, with blue indicating emission from excited iron atoms. Red wisps show where the expanding gas impacts a molecular cloud. This interaction excites molecules, causing them to glow.
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Released on your day
Space pictures released on your month and day in other years, or a few days either side. Each one is sharp enough to print as a poster.
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Released on 21 July 2011 Stars in the Andromeda Galaxy’s halo with background galaxies (1) See it as a poster -
Released on 21 July 2011 Stars in the Andromeda Galaxy’s halo with background galaxies (2) See it as a poster -
Released on 21 July 2016 Wide-field image of Abell S1063 (ground-based image) See it as a poster -
Released on 21 July 2011 Stars in the Andromeda Galaxy’s disc See it as a poster -
Released on 21 July 2011 Stars in the Andromeda Galaxy’s giant stellar stream See it as a poster
In tropical astrology, 21 JUL 1999 falls under Cancer (♋). The sign's window runs from 06-21 through 07-22. Cancer is marked by the Beehive Cluster, M44, a loose family of stars visible to the naked eye on a dark night. The Sun was crossing this region of the sky on 21 JUL 1999.
Questions about July 21, 1999
What space photo was released on July 21, 1999?
NASA's Astronomy Picture of the Day for July 21, 1999 was "Galactic Supernova Remnant IC 443". It's the card at the top of this page.
What was the Moon's phase on July 21, 1999?
A first quarter moon, about 56% lit.
What day of the week was July 21, 1999?
July 21, 1999 was a Wednesday, day 202 of the 365 days in 1999.
Is it free?
Yes. Seeing, sharing and downloading the card is free, and there's no account to make.