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What is a long term comet?
A long term comet is a comet whose final orbital`s path take more than two-hundred years. An example is Hale- Bopp`s comet that had an orbit of 4,200 years. The following is a general overview about comets:- The center of the comet , then nucleus, is very smal compared to the rest of the comet, and has a very small diameter. The nucleus is composed or rocks and ices, and a comet usually has no value, or " dead" as they call it, if its ices melt. The other parts of the comet only exist when the comet is near the sun.The sun`s solar energy produces heat the melts the ice down, forming the glowing " head " , or comet. The ices of the comet are made of various molecules (such as carbon, nitrogen, oxygen, and water), and they weigh differently, so, some can escape the nucleus' weak gravity more easily, while others cannot.. Therefore, another minor feature of the coma is the Hydrogen Cloud, which forms the outer part of the coma. Finally, the tail. Most comets usually have two tails, where one exceeds the other in brightness.. The tails form as a result of the sun's solar wind - the stream of charged particles that emanate from the sun. The solar wind forces gas and dust out from the comet and forces the material into very narrow (relative to their length) tails. The tails always point away from the sun. The gas and dust form separate tails due to the charge of their constituents. The dust is not highly charged, and so forms a bent tail that slightly lags behind pointing directly away from the sun; its color is yellow because it reflects the light of the yellow sun. The gas tail is much more highly charged, and so the solar wind acts to funnel it much more effectively than it does the dust cloud; its color is blue due to molecules that make it up. Due to the nature of how the tails form -- material being blown off of the comet - the tails are how comets loose the bulk of their mass. The material usually dissipates after several hundred years, but before that happens, the material usually will continue in the orbit of the comet. If the Earth plows through this, we see a meteor shower.
Is apatite a gem or precious medal?
The value of a specimen of yellow apatite would depend on it's clarity and aesthetics, but it could be valuable, yes.
What did Halley's Comet have effect on people?
There's nothing all that special about the comet itself other than that it happenes to be the first one that was successfully predicted. Halley realized that several of the comets reported in historical accounts were probably the same object orbiting the sun with a period of about 76 years and predicted its return (unfortunately, the period was long enough that he died before seeing his prediction came true).
The effectiveness of insulation is rated with?
I want to say either R-Value or Temperature Value? Probably R-Value... Out of answers: a. convection value b. R-value c. temperature value d. solar value
What is direct economic value?
A direct economic value refers to a value that is assigned to harvested or exploited products. One type of direct economic value is consumptive use value.
What is the value of the presidential inauguration eyewitness medal?
Probably next to nothing. If it is actually calleda "Presidential Inauguration Eyewitness Medal",it sounds very much like a piece of tourist claptrap. It's worth what you paid for it.
What is the value of a Franklin solid silver limited edition First step on the moon eyewitness medal?
"http://wiki.answers.com/Q/What_is_the_value_of_a_Franklin_solid_silver_limited_edition_First_step_on_the_moon_eyewitness_medal"
What is the value of a Franklin Mint First Step on the Moon Eyewitness pendant?
100.00
What value have a ww1 war medal and a victory medal got.?
My name is Harold Stilley and I have a 1928 world war copper medal. I would like to know the value of this medal.
How much is a victory medal worth?
The value of a Victory Medal varies depending on the individual medal. Generally Victory Medals are valued at approximately $50 to several hundred dollars and can even reach up to several thousand dollars. Factors that can affect the value of a Victory Medal include: The rarity of the medal The condition of the medal The age of the medal Whether or not the medal is inscribedThe best way to get a current estimate of the value of a Victory Medal is to consult with a professional antique dealer or a collector. They can assess the medal and provide an accurate value.
What is value of a 1919 Victory Medal?
The value of a 1919 Victory medal will vary. It depends upon the overall condition of the medal. However, in general, one will be worth around $100.00.
What is the value of a solid bronze moon medal 1969?
$60.00 value
What is the value of the Olympic silver medal?
it is $1200,00 ********************************************************************************************************************************************************************************************************************************************************************
How much is a WW1 English Peace Medal worth?
A WWI English peace medal can be worth forty dollars or more. The specific value of the medal is determined by the current condition of the medal.
What is the value of a 1975 world championship medallion or medal?
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Value of 1912 olympic gold medal?
250,000.00
What is the value and history of a 1927 Volvo Medal?
840
