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byAhmad Luthfi –
editorAhmad Luthfi
Sep 18, 2023
Technologue.id, Jakarta – Earthlings are used to seeing natural phenomena such as flashes of lightning in the sky during storms or rain. The flash of light from this lightning seemed to split the sky, then a huge roar appeared.
If this lightning flash phenomenon seems normal when viewed from Earth or land, maybe you need to look at the photos captured by astronauts on the space station (ISS).
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Quoted from Slashgear, the ISS orbits about 250 miles above the Earth’s surface, far above the clouds but below the 310 to 370 mile region where most Earth observation satellites orbit.
This gives astronauts living on the station a unique view of weather conditions on Earth, especially during large thunderstorms, which can be seen from high altitudes.
European Space Agency (ESA) astronaut Andreas Mogensen, currently aboard the ISS, previously photographed thunderstorms from the station when he carried out his first mission there in 2015. He observed blue electrical discharges above thunderclouds, which were captured in experiments who is called Thor.
Now, he will try to capture another view with a new camera in an experiment carried out by the Danish space research institute, DTU Space.
To try to capture another image of the thunderstorm, Mogensen will use a camera on the space station, which is visible through a round window called a dome. But instead of just using a standard camera, an additional camera with special qualities is added.
The Davis camera is an event camera that automatically responds when significant changes in brightness occur. Rather than pressing a button to take a picture and capturing whatever is happening at that moment, Davis’ camera responds when something changes in its view, in this case, hopefully capturing a thunderstorm event in action.
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“We are very happy that Andreas Mogensen is looking for thunderstorms with the new event camera. Last time, he captured a blue jet, so we hope to get more images during his six month stay. “This will be the first time an event camera has been used to observe a lightning event by an astronaut,” said DTU Space senior researcher Olivier Chanrion.
Davis’ cameras can respond very quickly, collecting data equivalent to 100,000 images per second. This allows it to capture very brief lightning discharges that occur between clouds but do not reach the Earth.
#SpaceStation #ISS #Astronaut #NaturalPhenomena #LightningPhenomenon
2023-09-18 07:01:43
#ISS #astronauts #capture #photos #lightning #occurs #Earth
