Astronomy Picture of the Day ·
Halloween and the Ghost Head Nebula
The Astronomy Picture of the Day for October 30, 2016 is “Halloween and the Ghost Head Nebula,” an image. It is credited to Image Credit: Mohammad Heydari-Malayeri ( Observatoire de Paris ) et al., ESA , NASA. The original explanation runs about 155 words.
From the explanation
“Halloween’s origin is ancient and astronomical. Since the fifth century BC, Halloween has been celebrated as a cross-quarter day , a day halfway between an equinox (equal day / equal night) and a solstice (minimum day / maximum night in the northern hemisphere).”
— APOD editors, October 30, 2016
Read the full explanation on science.nasa.gov
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At a glance
- Date
- October 30, 2016
- Type
- Image
- Credit
- Credit: Image Credit: Mohammad Heydari-Malayeri ( Observatoire de Paris ) et al., ESA , NASA
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 155 words