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Comet:The Basics
Comet Names
Parts of a Comet
Comet History
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100
A comet is cosmic snowball of frozen ______.
What is gases?
100
Comets are generally named for their ________.
What is a discoverer?
100
The heart of the comet is the _____.
What is Nucleus?
100
The first comet was dicovered in ____.
What is 1680?
100
Comet Halley come no closer than _____ kilometers.
What is 89 million?
200
A comet is roughly the size of a _______?
What is a small town?
200
The first comet ever discovered is _______.
What is Comet Halley?
200
A comet has __ tails.
What is 2?
200
In ____,2 comets were recently discovered.
What is 2010?
200
When its close to the sun comets ___ up, and ___ dust and gases.
What is heat and spew?
300
Comets come from the _________ and ______ ______.
What is Kuiper Belt and the Oort Cloud?
300
In 2001, Comet _____ was spotted.
What is Comet Borrelly?
300
A comet has a ____ tail and a ____ tail.
What is dust and ion?
300
In the earliest years, comets were named as _______.
What are terrible fire balls?
300
Comet tails point ____ from the sun, because they are shaped by sunlight and solar winds.
What is away?
400
Comets can also be known as ________.
What are long-haired stars?
400
Comet Halley was discovered by _______.
What is Edmond Halley?
400
The nucleus is made from _______,_______,________,_____________.
What is rock, iron, dust and a variety of frozen chemicals ?
400
______ ______ was the emporer when the first comet appeered in the sky.
Who is Augustus Caesar?
400
The _____ metor shower occurs every year.
What is Perseid?
500
_______ crash straight into the Sun or get so close that they break up and evaporate.
What are Sungrazers?
500
The most famous comet is _____.
What is Comet Halley?
500
Expelled water, dust, gas and debris form a fuzzy haze around the nucleus called the _____.
What is a coma?
500
_____ thought that comets were merely metors.
What is Aristotle?
500
The trail they leave behind can lead to a _____ _____.
What is a metor shower?