10 Interesting Halley’s Comet Facts
Kids love to study about Halley’s Comet facts. Halley’s Comet is very famous around the world. However, the appearance of this comet cannot be seen every day. People have to wait for a long time to know the comet passing earth. Here are some facts about Halley’s Comet to learn:
Halley’s Comet Facts 1: what is comet?
Can you define what comet is? This comet orbits the sum. It is only a small solar system body. Most comets have a tail when it has a close distance with the sun. It is due to the solar radiation of the sun which makes the comet have a tail.
Halley’s Comet Facts 2: particles
The particles of a comet include small rocks, dust and ice.
Halley’s Comet Facts 3: coma
As I have stated before when the comet approaches the sun, it will create a tail or a coma. This coma makes the sublimation on the carbon dioxide and water compound on the surface of comet.
Halley’s Comet Facts 4: Short term comets
If you study about comet, you need to know the term in this field. The periodic comet is called as the short term comet. The orbit of this comet is less than 200 years. It means that the ones with longer period of orbital than 200 years are included in long term comet.
Halley’s Comet Facts 5: the most well known comet
The most notorious comet in the world is Halley’s Comet. People also call this comet, Comet Halley. It is included in a short term comet because it has the orbital time on the sun less than 200 years.
Halley’s Comet Facts 6: observation
Comet Halley is not only seen in modern time. It has been traced by the ancient people. The appearance of comet Halley was traced by the European, Chinese and Babylonian people.
Halley’s Comet Facts 7: period of time
The people can see comet Halley passing around earth for every 75 to 76 years. However, in the past years, people only saw it from 74 to 79 years.
Halley’s Comet Facts 8: the last appearance
In 1986, the comet was observed passing the inner solar system. If you want to see the comet again, you have to wait until 2061.
Halley’s Comet Facts 9: coma of Halley comet
This Halley comet is very interesting because it has a very long coma. The coma can extend up to 100,000 kilometer.
Halley’s Comet Facts 10: Edmond Halley
The name of the comet was derived from Edmond Halley. He was an English astronomer who defined the period of Halley’s Comet orbit.
Even though comet Halley has long coma, the nucleus of this comet is very small. It has the width of 5 miles and length of 9.3 miles. Do you have any objection on facts about Halley’s Comet?