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Satellite flare. Top: a simulated animation of a typical Iridium flare. Bottom: Both images show a flare of an Iridium satellite. Comet Holmes can be seen in the right image, slightly above the tree branch. Satellite flare, also known as satellite glint, is a satellite pass visible to the naked eye as a brief, bright "flare".
Emergency vehicle lighting, also known as simply emergency lighting or emergency lights, is a type of vehicle lighting used to visually announce a vehicle's presence to other road users. A sub-type of emergency vehicle equipment, emergency vehicle lighting is generally used by emergency vehicles and other authorized vehicles in a variety of ...
The visible spectrum is the band of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light (or simply light). The optical spectrum is sometimes considered to be the same as the visible spectrum, but some authors define the term more broadly, to include the ...
The former Apollo 8 astronaut best known for taking the iconic “Earthrise” photo, who died last month while piloting a plane over the waters off Washington state, was doing a flyby near a ...
World UFO Day has its roots in the so-called Roswell Incident on July 2, 1947. On that date, something crashed at what was then the J.B. Foster ranch in New Mexico. There were reports that the U.S ...
They shared a video on Thursday, June 6th of the rhino snacking on a watermelon, and it's so cool to see! What drew me to this video was how easily the rhino opened the watermelon and with zero ...
Specialty. Neurology. Frequency. 1 in 4000 [1] Photosensitive epilepsy ( PSE) is a form of epilepsy in which seizures are triggered by visual stimuli that form patterns in time or space, such as flashing lights; bold, regular patterns; or regular moving patterns. PSE affects approximately one in 4,000 people (5% of those with epilepsy).
It can be confusing when you’re looking up at a clear blue sky but your flight is delayed by weather. United Airlines knows that and will now send passengers real-time weather maps to explain ...