# Do the Hessdalen lights include a natural phenomenon not yet explained, once known light sources are removed? · Hessdalen lights

> Four answers have been proposed. No; the lights are misidentified vehicles, aircraft, astronomical objects and instrumental artefacts. leads, with…

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Updated: 2026-10-26T11:57:38+00:00  

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# Do the Hessdalen lights include a natural phenomenon not yet explained, once known light sources are removed?

Asked 26 Oct 2026 by [**apollo** ](https://mysteriesdept.com/u/apollo)·4 answers·0·0 following

**Most likely: no; the lights are misidentified vehicles, aircraft, astronomical objects and instrumental artefacts** Ahead on the evidence, not yet confirmed. It needs two reviews to be accepted.

 

## Where it stands

Four answers have been proposed. No; the lights are misidentified vehicles, aircraft, astronomical objects and instrumental artefacts. leads, with evidence 2 for, 1 against: partly supported by its tests. Three are still possible. Of the two narrower questions under it, one is answered.

## Why it matters

Every mechanism depends on there being something to explain. Some recorded lights have been shown to be car headlights⁠[[1]](https://mysteriesdept.com/sources/SRC0D0NDAY87S08/eine-widerlegung-des-embla-2002-berichts-zur-optischen), while the 1984 radar and magnetometer records and the residents' close-range reports are harder to account for⁠[[2]](https://mysteriesdept.com/sources/SRC0D0NDAEM2WKB/a-long-term-scientific-survey-of-the-hessdalen-phenomenon).

## Answers 4



[**No; the lights are misidentified vehicles, aircraft, astronomical objects and instrumental artefacts.** ](https://mysteriesdept.com/mysteries/hessdalen-lights/answers/ANS0D0NDQMG5WVX/no-the-lights-are-misidentified-vehicles-aircraft)

Partly supported by its tests

Evidence: 2 for, 1 against

Most likely



[**Both; a small number of genuine anomalous lights among many misidentifications and illusions.** ](https://mysteriesdept.com/mysteries/hessdalen-lights/answers/ANS0D0NDRKR052J/both-a-small-number-of-genuine-anomalous-lights-among-many)

Not tested enough to call either way

Evidence: 1 for

Still possible



[**None of these.** ](https://mysteriesdept.com/mysteries/hessdalen-lights/answers/ANS0D0NDS3C7AAW/none-of-these)

Not tested enough to call either way

Evidence: none yet

Still possible



[**Yes; a residue of the lights is a distinct natural luminous phenomenon of the valley.** ](https://mysteriesdept.com/mysteries/hessdalen-lights/answers/ANS0D0NDPDE0593/yes-a-residue-of-the-lights-is-a-distinct-natural-luminous)

Not tested enough to call either way

Evidence: 3 for, 1 against

Still possible

## History

1. 1984[Strand: residents reported lights hanging still for over an hour just above roofs and below the hilltops.](https://mysteriesdept.com/sources/SRC0D0ND9Z01DKN/project-hessdalen-1984-final-technical-report-part-1)For: Yes; a residue of the lights is a distinct natural luminous phenomenon of the valley.
1. 2002[Teodorani & Nobili: the EMBLA 2002 spectra had no resolved lines and a feature that could be artificial lighting.](https://mysteriesdept.com/sources/SRC0D0NDAPE52BQ/embla-2002-an-optical-and-ground-survey-in-hessdalen)For: No; the lights are misidentified vehicles, aircraft, astronomical objects and instrumental artefacts.
1. 2004[Teodorani puts forward: yes; a residue of the lights is a distinct natural luminous phenomenon of the valley.](https://mysteriesdept.com/sources/SRC0D0NDAEM2WKB/a-long-term-scientific-survey-of-the-hessdalen-phenomenon)
1. 2004[Teodorani: in 1984 a radar tracked a light at about 8,500 m/s, and magnetic disturbances often coincided with sightings.](https://mysteriesdept.com/sources/SRC0D0NDAEM2WKB/a-long-term-scientific-survey-of-the-hessdalen-phenomenon)For: Yes; a residue of the lights is a distinct natural luminous phenomenon of the valley.
1. 2006[Leone puts forward: no; the lights are misidentified vehicles, aircraft, astronomical objects and instrumental artefacts.](https://mysteriesdept.com/sources/SRC0D0NDAY87S08/eine-widerlegung-des-embla-2002-berichts-zur-optischen)
1. 2006[Leone: the recurrent light of the 2002 survey was identified as car headlights.](https://mysteriesdept.com/sources/SRC0D0NDAY87S08/eine-widerlegung-des-embla-2002-berichts-zur-optischen)Against: Yes; a residue of the lights is a distinct natural luminous phenomenon of the valley.
1. 2006[Leone: leone accepts that some anecdotal residents' reports remain unexplained.](https://mysteriesdept.com/sources/SRC0D0NDAY87S08/eine-widerlegung-des-embla-2002-berichts-zur-optischen)Against: No; the lights are misidentified vehicles, aircraft, astronomical objects and instrumental artefacts.
1. 2006[Leone: the EMBLA 2002 blinking light matches car headlights on a road 11.5 km away, seen through a telescope.](https://mysteriesdept.com/sources/SRC0D0NDAY87S08/eine-widerlegung-des-embla-2002-berichts-zur-optischen)For: No; the lights are misidentified vehicles, aircraft, astronomical objects and instrumental artefacts.
1. 2021[Pascoli puts forward: both; a small number of genuine anomalous lights among many misidentifications and illusions.](https://mysteriesdept.com/sources/SRC0D0NDEKE1AP5/are-the-hessdalen-lights-a-reality-an-illusion-or-a-mix-of)
1. 2026[Project Hessdalen: the 2026 skipping-orb case was matched on camera but appeared smaller and briefer on video than to the…](https://mysteriesdept.com/sources/SRC0D0NDEBM78KE/skipping-orb-observation-from-1-september-2026)For: Both; a small number of genuine anomalous lights among many misidentifications and illusions.
1. 26 Oct 2026Asked on this site

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Where it fits

Hessdalen lights

**Do the Hessdalen lights include a natural phenomenon not yet explained, once known light sources are removed?** Key question · you're here

[Was the recurrent blinking light of the 2002 EMBLA survey an anomalous light-ball or car headlights?](https://mysteriesdept.com/mysteries/hessdalen-lights/questions/QST0D0NDNE61A6W/was-the-recurrent-blinking-light-of-the-2002-embla-survey-an)Answered · Car headlights on a private road about 11.5 km away.

[Why did reports fall from about 20 a week in 1981–1984 to about 10–20 a year?](https://mysteriesdept.com/mysteries/hessdalen-lights/questions/QST0D0NDP5M4JWN/why-did-reports-fall-from-about-20-a-week-in-19811984-to)Open · 3 answers, inconclusive

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