The sky on
your birthday.
GW170817: A Spectacular Multi-Radiation Merger Event Detected
On August 17, 2017, for the first time, scientists detected both gravitational and electromagnetic radiation from a single event. It was a spectacular binary neutron-star death-spiral in the elliptical galaxy NGC 4993, 130 million light-years away. Ground-based LIGO and Virgo observatories detected gravitational waves, and seconds later, Earth-orbiting Fermi and INTEGRAL observatories saw the electromagnetic burst.
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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 16 October 2017 See it as a poster -
The Earth on your day The Earth on 16 October 2017 · Colorado Plateau See it as a poster -
Released on 16 October 2013 Wide-field view of the sky around the distant active galaxy PKS 1830-211 See it as a poster -
Released on 16 October 2012 The bright star Alpha Centauri and its surroundings See it as a poster -
Released on 16 October 2007 I Zwicky 18 (ground-based image) See it as a poster -
Released on 16 October 2023 ‘S’ is for ‘Spiral’, ‘AB’ is for … ‘Weakly Barred’ See it as a poster -
Released on 16 October 2013 Wide-field view of the galaxy NGC1433 See it as a poster
In tropical astrology, 16 OCT 2017 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 16 OCT 2017.
Questions about October 16, 2017
What space photo was released on October 16, 2017?
NASA's Astronomy Picture of the Day for October 16, 2017 was "GW170817: A Spectacular Multi-Radiation Merger Event Detected". It's the card at the top of this page.
What was the Moon's phase on October 16, 2017?
A waning crescent moon, about 17% lit.
What day of the week was October 16, 2017?
October 16, 2017 was a Monday, day 289 of the 365 days in 2017.
Was there a meteor shower on October 16, 2017?
Yes: the Orionid shower, peaks in 5 days.
What did the Sun and the Earth look like on October 16, 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.