The sky on
your birthday.
Big Sky Comet Credit and Copyright:
The dark skies over the Absaroka Mountain Range in Wyoming frame Comet Hale-Bopp. The mountain range is lit by reflected moonlight. The colorful aurora on the far right are remnants of a recent solar storm, adding to the celestial display.
We cannot put this date's photograph on paper at poster size. We can print the nearest public archive plate to your date instead.
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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 April 2010 VISTA’s infrared view of the Cat’s Paw Nebula* See it as a poster -
Released on 21 April 2010 Highlights from VISTA’s infrared view of the Cat’s Paw Nebula See it as a poster -
Released on 21 April 2025 A glittering cluster shines again See it as a poster -
Released on 21 April 2016 The Bubble Nebula See it as a poster -
Released on 21 April 2016 Wide-field image of the Bubble Nebula (ground-based image) See it as a poster
In tropical astrology, 21 APR 1997 falls under Taurus (♉). The sign's window runs from 04-20 through 05-20. Taurus holds the Pleiades star cluster and Aldebaran, the red giant that marks the eye of the Bull. The Sun was crossing this region of the sky on 21 APR 1997.
Questions about April 21, 1997
What space photo was released on April 21, 1997?
NASA's Astronomy Picture of the Day for April 21, 1997 was "Big Sky Comet Credit and Copyright:". It's the card at the top of this page.
What was the Moon's phase on April 21, 1997?
A full moon, about 99% lit.
What day of the week was April 21, 1997?
April 21, 1997 was a Monday, day 111 of the 365 days in 1997.
Was there a meteor shower on April 21, 1997?
Yes: the Lyrid shower, peaks tomorrow.
Is it free?
Yes. Seeing, sharing and downloading the card is free, and there's no account to make.