Name: Rotation of Objects by Number of Turns
Uploaded: 2019-07-19
Duration: 6 min 22 s
Description: If we rotate an object, does it still have the same appearance? Watch this video to see whether things look the same after being rotated.

Question

Write some facts about meteoroids.

Accepted Answer

The word meteor comes from a Greek word that means suspended in the air. Meteors can become visible as high as $120 km$ above earth. Meteors can give off various colours when they burn which is associated with their composition. Meteors that burn brighter than usual are called fireballs. The other facts about the meteoroids are:

(1) A meteoroid is a chunk of space rock. If it burns up in the Earth’s atmosphere, it is called a meteor; if a piece lands, it is a meteorite.

(2) The blast caused by the shock waves of the Russian meteorite was picked up by infra sound sensors on the other side of the world.

(3). When a meteoroid hits the Earth’s atmosphere, it may be travelling at $1, 30, 000 mph$ .

(6). Meteorites that are seen or otherwise detected as they land are called ‘falls’; those discovered later are called ‘finds’.

(7). A meteorite smaller than $2 mm$ in diameter is called a micrometeorite.

Write some facts about meteoroids.

Important Questions on The Universe

Learn and Prepare for any exam you want !