The sky on
your birthday.
“Stellar Spectral Types: OBAFGKM” is copyrighted by KPNO. NASA has permission to show it and we don't, so it isn't on this card.
See it on NASA's siteStars are classified by their spectra, which mostly tells us their temperature. The hottest, most massive stars are type O, followed by B, A, F, G, K, and M. Our Sun is a G-type star. This image shows the spectra of several stars, with the strength of their hydrogen absorption lines varying with temperature.
The Earth on 18 April 2004 · Red Sea
NASA Terra took this picture on 18 April 2004, the day itself, not a release date.
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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The Earth on your day The Earth on 18 April 2004 · Red Sea See it as a poster -
Released on 18 April 2013 Star Factory Messier 17 See it as a poster -
Released on 18 April 2011 Hubble peers through the looking glass See it as a poster -
Released on 18 April 2016 The International Space Station over Earth See it as a poster -
Released on 18 April 2015 The Great Crater Hokusai See it as a poster -
Released on 18 April 2022 Hubble Inspects a Set of Galactic Wings See it as a poster
In tropical astrology, 18 APR 2004 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 18 APR 2004.
Questions about April 18, 2004
What space photo was released on April 18, 2004?
NASA's Astronomy Picture of the Day for April 18, 2004 was "Stellar Spectral Types: OBAFGKM". 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 18, 2004?
A new moon, about 2% lit.
What day of the week was April 18, 2004?
April 18, 2004 was a Sunday, day 109 of the 366 days in 2004.
What did the Sun and the Earth look like on April 18, 2004?
NASA's Terra satellite photographed the whole Earth that day. It's on this page, next to the card.
Is it free?
Yes. Seeing, sharing and downloading the card is free, and there's no account to make.