The sky on
your birthday.
The Kepler-90 Planetary System
The Kepler-90 system, discovered by the Kepler satellite, has eight known planets, just like our solar system. Its star is similar to our Sun, with rocky inner planets and gas giants further out. All of Kepler-90's planets orbit much closer to their star than ours do to the Sun.
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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 18 December 2017 See it as a poster -
The Earth on your day The Earth on 18 December 2017 · Bahamas See it as a poster -
Released on 18 December 2012 Hubble snaps NGC 5189 See it as a poster -
Released on 18 December 2024 Close look at a local galaxy See it as a poster -
Released on 18 December 2024 NGC 2566 (HST image) See it as a poster -
Released on 18 December 2012 Massive Star Makes Waves See it as a poster -
Released on 18 December 2023 Uranus widefield view (NIRCam) See it as a poster
In tropical astrology, 18 DEC 2017 falls under Sagittarius (♐). The sign's window runs from 11-22 through 12-21. Sagittarius points straight at the center of the Milky Way, our galaxy's brightest region. The Sun was crossing this region of the sky on 18 DEC 2017.
Questions about December 18, 2017
What space photo was released on December 18, 2017?
NASA's Astronomy Picture of the Day for December 18, 2017 was "The Kepler-90 Planetary System". It's the card at the top of this page.
What was the Moon's phase on December 18, 2017?
A new moon, about 0% lit.
What day of the week was December 18, 2017?
December 18, 2017 was a Monday, day 352 of the 365 days in 2017.
Was there a meteor shower on December 18, 2017?
Yes: the Geminid shower, peaked 4 days ago.
What did the Sun and the Earth look like on December 18, 2017?
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.