Famous Comets
The Characteristics
Halley's Comet
What Is A Comet?
Potpourri
100
Halley's Comet was named after what scientist?
Who is Sir Edmond Halley
100
what is the solid, core structure of a comet is known as?
What is: The Nucleus
100
When did Edmond Halley predict the comet would be seen again?
The comet returned in 1758
100
What is the coma on a comet?
The gasses that form around the nucleus
100
Where does the name "Comet" come from?
The Latin word "Cometes"
200
Who was the comet Hale-Bopp named after?
Who are Alan Hale and Thomas Bopp
200
What 3 things are a comet made of?
What are: ice, dust and dark organic material
200
How long does it take for Halley's Comet to orbit the sun?
It takes 75 to 76 years for it to make a full round around the sun
200
What is the ion tail made out of?
Lots of ionized gasses that are blown directly away from the Sun
200
How many comets are known to us today?
What is: 3,000 comets
300
The comets Swift-Tuttle are named after?
Who are Lewis Swift and Horace Tuttle
300
How long do short period comets take to orbit?
200 years
300
What have people speculated about Halley's Comet?
What is The Star of Bethlehem
300
What is the dust trail made out of?
It is composed of gasses and tiny dust particles
300
How many tails do comets have?
What is: 2 tails- not one
400
Comet Hyakutake is named after?
Who is Yuji Hyakutake
400
What is a comet tail made out of?
Dust and rocky material
400
When was the most recent appearance of Halley's Comet?
1986, when it was photographed close up by Europe's Giotti spacecraft and Russia's Vega 1 and Vega 2 spacecrafts
400
What are the 4 components of a comet?
What is a nucleus, a coma, a dust trail, and an ion trial
400
What is the most common colour of a comets?
Brownish-red
500
Comet Showmaker 9-Levy is named after?
Who is Eugene Shoemaker and David Levy
500
How do comets orbit?
Just like the planets, but a lot faster
500
When is next predicted appearance of Halley's Comet?
The next appearance will be in 2061
500
Where do comets supposedly originate?
What is the Oort Cloud, and the Kuiper Belt found beyond the orbit of Neptune and the dwarf planet Pluto
500
How long was the trail on Halley's Comet?
What is 160 million kilometers
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