100-mtr, 1000-mtr Asteroid impact chances and consequences-all in brief | Tech News

100-mtr, 1000-mtr Asteroid impact chances and consequences-all in brief

What will a 100-mtr, or a 1000-mtr Asteroid strike on Earth do? What are the chances of a strike by these monster rocks? Find out

By: HT TECH
| Updated on: Jan 12 2023, 16:02 IST
5 Best International Space Station photos from 2022! Awesome year end gift by NASA
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1/6 NASA uploaded a video with a montage of images on the Johnson YouTube channel which showcased the best moments aboard the International Space Station in 2022. Check them out. (Bloomberg)
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2/6 In this image, NASA astronaut Bob Hines is working with GRASP instruments to help researchers understand microgravity movements as he performs various tasks. (NASA Johnson YouTube)
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3/6 Showcasing the advanced research taking place on ISS, this image showcases the XROOTS investigation conducted by NASA astronaut Jessica Watkins. The research uses hydroponic and aeroponic techniques instead of soil to grow plants. (NASA Johnson YouTube)
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4/6 This image shows the Expedition 86 crew members during a conference with mission control on Earth. (NASA Johnson YouTube)
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5/6 Astronauts Thomas Marshburn and Mark Vande Hei take a peek at the Earth passing below them through the ISS cupola windows.  (NASA Johnson YouTube)
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6/6 The final image is of the Carrizozo Malpais, a long strip of basalt which is located in the desert of New Mexico. This strip was formed after decades of eruption in the region.  (NASA Johnson YouTube )
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This picture captured an asteroid with a blue streak in 1998 by the Hubble space telescope. Image Credit: NASA, ESA, Hubble; R. Evans & K. Stapelfeldt (JPL) (NASA, ESA, Hubble; R. Evans & K. Stapelfeldt (JPL))

Asteroids are astonishing space rocks, literally, in the sky that fly around in specific orbits and sometime come very close to Earth.

Needless to say, their potential for destruction make all space agencies in the world, as well as amateur astronomers, keep a constant watch on the skies above for a rare sighting.

Yes, the sightings by the huge number of telescopes around the Earth as well as in space, are many. Surprisingly, new, never-seen-before, ones keep coming very frequently and are promptly catalogued.

The really dangerous ones are those that come from the direction of the Sun as they cannot be easily sighted as the glare makes it impossible.

This also means that when these asteroids come, they give very little time to astronomers to chalk out their trajectory and figure out whether they will hit the Earth or not.

That is also the reason why a constant watch is kept for them.

Smaller asteroids and icy bits of matter strike earth daily but larger rocks do not strike that often.

The smaller ones that do hit the Earth's atmosphere appear as as shiny meteors. The smaller ones strike daily and quickly evaporate.

The 100-metre asteroids strike every 1000 years or thereabouts. They can easily cause tsunami-like situations when they hit the ocean and they can even destroy distant sea shores.

The Massive 1000-metre (1 km) asteroid is rarer and its chances of striking the Earth will span millions of years. But when they do occur, they can cause mass destruction.

A collision with a large asteroid is a concern, but it is actually the dust and other matter thrown up into the sky after the strike that is the biggest cause of concern as that will affect the earth's climate for years to come.

The immediate strike can kill millions of people if it hits a densely populated city. Out in remote areas, the casualties will be less.

In fact, it can cause the extinction of many species at the global level.

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First Published Date: 12 Jan, 16:00 IST
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