The sky on
your birthday.
I Zwicky 18: The Case of the Aging Galaxy
I Zwicky 18, a small galaxy 59 million light years away, was once thought to be quite young. Its bright blue stars suggested an age of only 500 million years. However, images from the Hubble Space Telescope revealed older, fainter red stars. This means I Zwicky 18 has been forming stars for billions of years, making it an older galaxy that still resembles those from the early universe.
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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 17 October 2007 · Persian Gulf See it as a poster -
Released on 17 October 2008 The Mimas Atlas See it as a poster -
Released on 17 October 2005 Dione in Full View See it as a poster -
Released on 17 October 2006 Colliding galaxies make love, not war See it as a poster -
Released on 17 October 2006 Wide view of the Antennae galaxies (ground-based image) See it as a poster -
Released on 17 October 2010 NGC 346 in the Small Magellanic Cloud See it as a poster
In tropical astrology, 17 OCT 2007 falls under Libra (♎). The sign's window runs from 09-23 through 10-22. Libra is the only zodiac constellation named for an inanimate object, the scales of judgment. The Sun was crossing this region of the sky on 17 OCT 2007.
Questions about October 17, 2007
What space photo was released on October 17, 2007?
NASA's Astronomy Picture of the Day for October 17, 2007 was "I Zwicky 18: The Case of the Aging Galaxy". It's the card at the top of this page.
What was the Moon's phase on October 17, 2007?
A first quarter moon, about 34% lit.
What day of the week was October 17, 2007?
October 17, 2007 was a Wednesday, day 290 of the 365 days in 2007.
Was there a meteor shower on October 17, 2007?
Yes: the Orionid shower, peaks in 4 days.
What did the Sun and the Earth look like on October 17, 2007?
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.