The sky on
your birthday.
Inside the Flame Nebula
The Flame Nebula stands out in optical images of the dusty, crowded star-forming regions toward Orion's belt. Alnitak, the easternmost belt star, is 1,400 light-years away and appears at the right edge of this infrared image from the Spitzer Space Telescope. This infrared view, about 15 light-years across, takes you inside the nebula's glowing gas and obscuring dust clouds. It reveals many stars of the recently formed, embedded cluster NGC 2024.
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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 Sun on your day The Sun on 17 April 2021 See it as a poster -
The Earth on your day The Earth on 17 April 2021 · Caspian Sea See it as a poster -
Released on 17 April 2014 Hubble’s cross-section of the cosmos See it as a poster -
Released on 17 April 2014 Digitized Sky Survey Image around CLASS B1608+656 (ground-based image) See it as a poster -
Released on 17 April 2023 Webb captures the spectacular galactic merger Arp 220 See it as a poster -
Released on 17 April 2023 Hubble spotlights a swirling spiral See it as a poster -
Released on 17 April 2026 This celestial image reveals Comet C/2025 R3 (PANSTARRS) and its faint vertical tail See it as a poster
In tropical astrology, 17 APR 2021 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 17 APR 2021.
Questions about April 17, 2021
What space photo was released on April 17, 2021?
NASA's Astronomy Picture of the Day for April 17, 2021 was "Inside the Flame Nebula". It's the card at the top of this page.
What was the Moon's phase on April 17, 2021?
A waxing crescent moon, about 28% lit.
What day of the week was April 17, 2021?
April 17, 2021 was a Saturday, day 107 of the 365 days in 2021.
What did the Sun and the Earth look like on April 17, 2021?
NASA's Solar Dynamics Observatory photographed the Sun that day, and NASA's Terra satellite photographed the whole Earth. Both are 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.