The sky on
your birthday.
The Radio Sky: Tuned to 408MHz
Tuning a radio telescope to 408 MHz reveals the radio sky. In the 1970s, large dish antennas at Jodrell Bank, MPIfR, and Parkes Observatory mapped the entire sky at this frequency. Cosmic radio waves at this frequency are generated by high-energy electrons spiraling along magnetic fields.
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 3 April 2013 Taken Under the Wing of the Small Magellanic Cloud See it as a poster -
Released on 3 April 2007 NGC 1672 in Dorado (ground-based image) See it as a poster -
Released on 3 April 2024 Unusual Nebula Pa 30 See it as a poster -
Released on 3 April 2023 Aftermath of a cosmic explosion See it as a poster -
Released on 3 April 2007 Stellar nursery in the arms of NGC 1672 See it as a poster
In tropical astrology, 3 APR 1999 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 3 APR 1999.
Questions about April 3, 1999
What space photo was released on April 3, 1999?
NASA's Astronomy Picture of the Day for April 3, 1999 was "The Radio Sky: Tuned to 408MHz". It's the card at the top of this page.
What was the Moon's phase on April 3, 1999?
A waning gibbous moon, about 94% lit.
What day of the week was April 3, 1999?
April 3, 1999 was a Saturday, day 93 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.