The sky on
your birthday.
“Water in Orion” is copyrighted by Anglo-Australian Telescope Board. NASA has permission to show it and we don't, so it isn't on this card.
See it on NASA's siteThe Orion Nebula, M42, is a vast star-forming region where astronomers have confirmed the presence of water molecules. Though mostly hydrogen, the nebula's immense size means even a small production rate creates vast amounts of water. Scientists estimate enough water to fill Earth's oceans 60 times over daily. This discovery highlights the prevalence of water in the cosmos.
Coprates Catena
NASA released this picture on 23 April 1998. That is the day it was published, not the day it was taken.
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 1998 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 1998.
Questions about April 21, 1998
What space photo was released on April 21, 1998?
NASA's Astronomy Picture of the Day for April 21, 1998 was "Water in Orion". It's a photographer's copyrighted image, so we link to it on NASA's site and show the Sun or the Earth that day instead.
What was the Moon's phase on April 21, 1998?
A waning crescent moon, about 27% lit.
What day of the week was April 21, 1998?
April 21, 1998 was a Tuesday, day 111 of the 365 days in 1998.
Was there a meteor shower on April 21, 1998?
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.