What Triggers Lightning - Revealed

In summary, the Low Frequency Array (LOFAR) is a network of small radio telescopes in the Netherlands that is primarily used to study distant galaxies and exploding stars. However, it has also been found to be very effective in measuring lightning, according to researcher Dwyer. This demonstrates the versatility of technology in unexpected ways. Are there any other surprising uses for LOFAR or other radio telescopes?
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Tom.G
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[By using] the Low Frequency Array (LOFAR), a network of thousands of small radio telescopes mostly in the Netherlands. LOFAR usually gazes at distant galaxies and exploding stars. But according to Dwyer, “it just so happens to work really well for measuring lightning, too.”
https://www.quantamagazine.org/radio-telescope-reveals-how-lightning-begins-20211220/

https://d2r55xnwy6nx47.cloudfront.net/uploads/2021/12/Lightning_1238x826_Lede_Video.mp4
Lightning_2880x1620_Lede_Still.jpg


Cheers,
Tom
 
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Zeus has been unmasked! Or is that Thor? Or Dianmu? …
 
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Wow, that's really interesting! I had no idea that radio telescopes could also be used to measure lightning. It's amazing how versatile technology can be. Do you know if there are any other unexpected uses for LOFAR or other radio telescopes? I'm always fascinated by the different ways we can use scientific instruments. Thanks for sharing!
 

What is lightning?

Lightning is a sudden electrical discharge that occurs between clouds or between a cloud and the ground. It is accompanied by a bright flash of light and a loud clap of thunder.

What causes lightning?

Lightning is caused by the buildup and discharge of electrical energy in the atmosphere. This can be triggered by several factors, including differences in temperature and humidity, and the movement of air and water particles.

What are the types of lightning?

There are three main types of lightning: cloud-to-ground, cloud-to-cloud, and intra-cloud. Cloud-to-ground lightning is the most common type and occurs between a cloud and the ground. Cloud-to-cloud lightning occurs between two different clouds. Intra-cloud lightning occurs within the same cloud.

How does lightning form?

Lightning forms when there is a buildup of positive and negative charges within a cloud. The negative charges gather at the bottom of the cloud while the positive charges gather at the top. When the difference in charges becomes too great, a discharge occurs, resulting in lightning.

Is lightning dangerous?

Yes, lightning can be very dangerous. It can cause fires, damage buildings and structures, and even injure or kill people. It is important to seek shelter during a lightning storm and avoid being in open areas or near tall objects such as trees or metal structures.

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