SOLAR SYSTEM

UNIVERSE

COMETS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is this passage mostly about?
A
comets and the sun
B
why comets are like snowballs
C
who discovered the first comet
D
facts about comets
Explanation: 

Detailed explanation-1: -Comets are also known by the name of shooting stars.

Detailed explanation-2: -Comets are large objects made of dust and ice that orbit the Sun. Best known for their long, streaming tails, these ancient objects are leftovers from the formation of the solar system 4.6 billion years ago.

Detailed explanation-3: -Big, bigger, biggest Comet Bernardinelli-Bernstein-also known as C/2014 UN271 (and illustrated, far right)-is much larger than other known comets. It’s about 120 kilometers (75 miles) wide. The famous comet Hale-Bopp is about half as wide. And Halley’s comet is just 11 kilometers (7 miles) across.

Detailed explanation-4: -Scientists sometimes call comets dirty snowballs or snowy dirtballs, depending on whether they contain more ice material or rocky debris according to NASA. Related: How to view and photograph comets.

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