The sky on
your birthday.
A Hotspot Map of Neutron Star J0030's Surface
Neutron stars are usually too small and distant to see, but astronomers can map hotspots on their surfaces. This map of pulsar J0030+0451 shows where X-ray brightness rises and falls as the star spins. J0030 spins once every 4.7 milliseconds, and these observations help us understand its structure. This is the first map of its kind, based on data from the NICER telescope.
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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 2019 See it as a poster -
The Earth on your day The Earth on 18 December 2019 · Pilbara, Western Australia 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 2019 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 2019.
Questions about December 18, 2019
What space photo was released on December 18, 2019?
NASA's Astronomy Picture of the Day for December 18, 2019 was "A Hotspot Map of Neutron Star J0030's Surface". It's the card at the top of this page.
What was the Moon's phase on December 18, 2019?
A last quarter moon, about 60% lit.
What day of the week was December 18, 2019?
December 18, 2019 was a Wednesday, day 352 of the 365 days in 2019.
Was there a meteor shower on December 18, 2019?
Yes: the Geminid shower, peaked 4 days ago.
What did the Sun and the Earth look like on December 18, 2019?
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.