questionedithistorytranslations

What is the iridium flare?

unending flow of the northern lights
quick and bright "flare" in the sky
white traces in the sky left by jets
The last rays of setting sun
A Satellite flare (also called a Iridium flares ) is a phenomenon caused by man-made satellite where the sunlight is reflected back to Earth. This results in a quick and bright "flare." Some flares can be up to 20 times brighter than Venus. These can be very bright. So much so, that it can even be seen during the day.
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Answers by country

unending flow of the northern lights
quick and bright "flare" in the sky
white traces in the sky left by jets
The last rays of setting sun
answers
flagthe Netherlands
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flagLebanon
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flagCanada
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flagthe United States
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flagAustralia
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flagPakistan
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flagFrance
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flagPoland
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flagIndia
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flagthe Philippines
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flagthe United Kingdom
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flagEgypt
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flagGermany
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flagGreece
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flagRepublic of Ireland
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Which astronomical discovery was nicknamed 'Little Green Man'?

black hole
pulsar
supernova
white dwarf

This is the aurora of Jupiter. What are the visible bright spots caused by?

volcanic peaks
atmospheric storms
Jupiter moons
multiple magnetic poles of Jupiter

This unique line of about 20 stars is known as ...

Orion's belt
Orion's sword
Ophiuchus
Kemble's cascade

What is Apoptosis in biochemistry?

Proliferation (multiplication) of cells
The construction of a body cells
Programmed cell death
Activating cell defense mechanisms