The sky on
your birthday.
The Gamma Ray Sky
A gamma-ray map of the entire sky, created by NASA's Compton Observatory in the early 1990s. Gamma rays are photons with more than 40 million times the energy of visible light. The diffuse glow across the image marks the plane of our Milky Way Galaxy, with bright spots indicating exotic objects.
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 March 2022 Hubble Spies a Stunning Spiral See it as a poster -
Released on 21 March 2010 The galaxy cluster MACS J2135-010217 lensing SMM J2135-0102 See it as a poster -
Released on 21 March 2016 A cosmic kaleidoscope See it as a poster -
Released on 21 March 2016 All quiet in the nursery? See it as a poster -
Released on 21 March 2010 The region around SMM J2135-0102 and the galaxy cluster MACS J2135-010217 See it as a poster
In tropical astrology, 21 MAR 1998 falls under Aries (♈). The sign's window runs from 03-21 through 04-19. Aries is the constellation traditionally tied to spring's arrival in the northern hemisphere. The Sun was crossing this region of the sky on 21 MAR 1998.
Questions about March 21, 1998
What space photo was released on March 21, 1998?
NASA's Astronomy Picture of the Day for March 21, 1998 was "The Gamma Ray Sky". It's the card at the top of this page.
What was the Moon's phase on March 21, 1998?
A last quarter moon, about 42% lit.
What day of the week was March 21, 1998?
March 21, 1998 was a Saturday, day 80 of the 365 days in 1998.
Is it free?
Yes. Seeing, sharing and downloading the card is free, and there's no account to make.