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Comets

Comets are small solar system bodies that orbit around the Sun. They have a tail (trail of light) when traveling in space.

1,186 Questions

Was Halley's comet last seen in 1986?

Yes, it was last seen in 1986. The next time it will be visible from planet Earth is the 28th July in the year 2061.

Can you make a wish from a comet?

I made a wish, I was 16 years old when my father drove us up to the top of a mountain in S. Phoenix to admire the comet. I for some reason decided to make a wish, that my boy crush at the time would one day fall in love with me. I was madly in love with him and my mother said its just a crush and its impossible for me to be in love at such a young age. She was wrong over the next few years my love for him deepened as our friendship had grown. I finally had the courage to tell him how I felt when I was in college but I told him too late he was engaged to be married. That marriage failed and over the years we both were in other relationships but remained friends and stayed in contact via emails. It was not until recently he told me that he realized how much he loved me and recognized me as his soul mate. My wish had come true but it took nearly 30 years.

When a comet nears the sun what happens to the nucleus?

when a comet gets close to the sun the frozen liquid in the Nucleus starts to vaporize and turn into gas and the rock particles are released and turn to dust so somtimes you can see 2 tails one that's blue which is the gases and one that's yellow-white which is the dust.

[hope this information helps out]

by the way im only 12 and i knew this stuff off by heart

Are most comets found in either Oort cloud or the asteroid belt?

Rocky asteroids. Icy comets often live in and come from the Kuiper Belt.

How many years does it take for haleys comet to come bythe earth?

It takes roughly 75 years for Halley's comet to come by the earth. All comets orbit the sun, but they do not all originate from the same place, which accounts for their paths and how long their individual orbit takes.

How can you differentiate a meteor from comet when viewed from earth?

A comet has a long tail (hence the name comet meaning long-haired star) while a meteor is only a beam of light.

List of Halley's comet sightings?

This is a chronological list of known human sightings of the Halley comet.

* 25 May, 240 BC * 12 November, 164 BC * 6 August, 87 BC * 10 October, 12 BC * 25 January, 66 AD * 22 March, 141 * 17 May, 218 * 20 April, 295 * 16 February, 374 * 28 June, 451 * 27 September, 530 * 15 March, 607 * 2 October, 684 * 20 May, 760 * 28 February, 837 * 18 July, 912 * 5 September, 989 * 20 March, 1066 * 18 April, 1145 * 28 September, 1222 * 25 October, 1301 * 10 November, 1378 * 9 June, 1456 * 27 October, 1607 * 15 September, 1682 * 13 March, 1759 * 16 November, 1835 * 20 April, 1910 * 9 February, 1986

How would you describe the comet?

Comets are icy bodies in space that release gas and dust. They are often compared to dirty snowballs, though recent research has led some scientists to call them dirty snowballs. Comets contain dust, ice, carbon dioxide, ammonia, methane and more.

Where was Halley's comet seen in 1066?

It was seen in many regions of the world, and is depicted on the Bayeaux Tapestry (Norman Conquest of England). It was a bad omen for Harold II but a good omen for William the Conqueror.

It is also noted in Irish annals of the time and may have been recorded by Native American tribes such as the Chaco tribe of New Mexico.

What happens to a comet when it hits earth atmosphere?

If the bodies are small enough they burnup in the atmosphere from friction and appears as shooting stars, and nothing reaches the ground.

If they are larger they heat up tpo very high temperatures on entering the atmosphere and impact the earth wth great force, making a crater - such as the ones seen on the moon. Very few of the bodied which enter the atmosphere survive the burn-up.

What are some examples of superstitious beliefs in Philippines about comets and asteroids?

Many cultures have superstitious beliefs about comets and asteroids. The Philippines do not seem to share superstitions of comets and asteroids.

When your sneeze your wish will come true?

While it's a fun superstition, there is no scientific evidence to support the idea that your wish will come true if you sneeze. Sneezing is a reflex that helps clear your nasal passages and is not connected to wish fulfillment.

What is the difference between one tailed test and two tailed test?

· One-tailed test looks at the probability that the sample mean was either "greater than", or "less than or equal to"

· Two-tailed test, sees if two means are different from each other (ie from different populations), or from the same population and tries to establish "equal to" or "not equal to

What would have happened if the 1986 observations of Halley's comet had not supported Dr Whipple hypothesis?

Dr. Fred Whipple came up with the idea that comets are "dirty snowballs"; primarily ice and frozen gasses, holding a large quantity of dust, pebbles and rocks.

If the evidence hadn't supported his theory, he would have had to go back and come up with a different theory. That's the way science works - or at least, is SUPPOSED to work.

When did Tail of the Sun happen?

Tail of the Sun happened in 1996.

When was St. Judy's Comet created?

St. Judy's Comet was created in 1973.

What is static universe theory?

from CosmologyScience.com

"Dynamically stable, non-expanding or non-stretching Universe models; space does not 'expand' with these models."

"Do not confuse with Steady-state models which employ space expansion."

For more details see --

http://www.cosmologyscience.com/glossary.htm#Static

When will red dragon and woodworm comet appear?

about 2010 early-midsummer Nibiru and his comet should enter previously known Sun System territory. Nibiru planet will pass 'quiet', however comet will shake human civilization to the grounds. Yet this is just the beginning...

How do people react to comets?

Some with fear. Comets, which are called that because they appear to be "hairy stars," suggest that there are big changes in the otherwise stable heavens and this can be very upsetting. We know today that comets are relatively small, relatively common, and - unless one should actually hit the Earth, which is not very likely - pretty harmless. Probably because a big event in the sky seemed as though it should be connected with a big event on Earth, back during the fear period comets came to be associated with the death of kings. No everybody believed this. When the Roman Emperor Vespasian was told about a comet, he joked that since it was so hairy, it couldn't be a message for him, as he was bald.

When will red dragon and wooodworm comet appear?

The next predicted appearance for both Comet 2P/Encke (also known as the Red Dragon) and Comet 29P/Schwassmann-Wachmann 1 (also known as Woodworm) is uncertain as they have irregular orbits and may not be visible again for several years. It is recommended to check with astronomical forecasting resources for the most up-to-date information on their visibility.