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  2. Diffraction spike - Wikipedia

    en.wikipedia.org/wiki/Diffraction_spike

    Diffraction spikes are lines radiating from bright light sources, causing what is known as the starburst effect [1] or sunstars [2] in photographs and in vision. They are artifacts caused by light diffracting around the support vanes of the secondary mirror in reflecting telescopes , or edges of non-circular camera apertures , and around ...

  3. Messier 82 - Wikipedia

    en.wikipedia.org/wiki/Messier_82

    Messier 82 (also known as NGC 3034, Cigar Galaxy or M82) is a starburst galaxy approximately 12 million light-years away in the constellation Ursa Major.It is the second-largest member of the M81 Group, with the D 25 isophotal diameter of 12.52 kiloparsecs (40,800 light-years).

  4. Photopsia - Wikipedia

    en.wikipedia.org/wiki/Photopsia

    Photopsia is the presence of perceived flashes of light in the field of vision.. It is most commonly associated with: [4] posterior vitreous detachment; migraine aura (ocular migraine / retinal migraine)

  5. A Northern Lights-looking Phenomenon Lit up the Sky ... - AOL

    www.aol.com/northern-lights-looking-phenomenon...

    Related: The 6 Best Places to See the Northern and Southern Lights in Person Some, however, were also placing blame on Elon Musk, who has previously lit up the desert night sky with a SpaceX ...

  6. Visual snow syndrome - Wikipedia

    en.wikipedia.org/wiki/Visual_snow_syndrome

    Visual snow is a phenomenon where a person perceives visual disturbances, such as fine graininess or "static," in their field of vision. This can occur in low-light conditions, in the dark, or when the visual system amplifies light perception.

  7. Northern lights to ring in 2025? Look to the skies in these ...

    www.aol.com/news/northern-lights-ring-2025-look...

    CMEs travel several million miles per hour, so the NOAA predicts that the best time to see the lights would be between 10 p.m. ET on Dec. 30 and 10 a.m. ET on Dec. 31, according to Space.com ...

  8. What do Starlink satellites look like at night? Just look up ...

    www.aol.com/starlink-satellites-look-night-just...

    The lights were coming from Starlink satellites launched in 2019 by Elon Musk’s SpaceX. If you missed them, don't worry. They'll be visible Monday and Tuesday night too.

  9. Starburst region - Wikipedia

    en.wikipedia.org/wiki/Starburst_region

    At this rate M82 will consume its 200 million solar masses of atomic and molecular hydrogen in 100 million years (its free-fall time). [3] Starburst regions can occur in different shapes, for example in Messier 94 the inner ring is a starburst region. [5] Messier 82 has a starburst core of about 600 parsec in diameter. [3]