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    Home » Science Experiments for Kids » Caroline Herschel – Make a Comet

    Caroline Herschel – Make a Comet

    January 20, 2018 By Emma Vanstone Leave a Comment

    Caroline Herschel was a pioneer of her time, she was the first woman to discover a comet, the first woman officially recognised in a scientific position and to receive a salary and the first woman to receive honorary membership into Britain’s Royal Society.

    Caroline Herschel made a huge contributions to the field of astronomy in her lifetime, both independently and alongside her brother William Herschel.

    What is a comet?

    Comets are big balls of ice, rock and dust left over from the beginning of the Solar System. They are generally thought to come from the Oort Cloud and the Kuiper Belt and orbit the sun the same as planets although this can take 100s of years.

    When comets get close to the Sun, they start to release gas and dust forming a head ( or coma )  and a tail. The tail always points away from the Sun.

    Make a model of a comet

    Foil or small ball

    Stick

    Three colours of ribbon

    Caroline Herschel - Make a Comet

    Instructions

    Attach foil made into a ball or the ball onto the end of a small stick. The ball represents the nucleus of the comet.

    Wrap one colour ribbon around the ball. This represents the coma.

    Attach the other two colours of ribbon to the nucleus, these represent the two tails of the comet. One is the gas tail and one the dust tail.

    Caroline Herschel - Make a Comet

    Some comets have highly elliptical orbits that bring them relatively close to the Sun.

    The nucleus of a comet is made up of of ice and rocky materials, it can range from about 10 to 100 km in diameter!!

    The coma is a cloud of gas that forms around the nucleus, the gases are usually a mixture of water vapour, ammonia and carbon dioxide.

    The dust tail forms from gases and dust particles that get blown away from the nucleus as the comet heats up.

    The gas tail is a stream of gases which are blown away from the Sun as the comet comes into contact with solar winds.

    It is thought that comets are leftovers from the material which initially formed the solar system.

    Make a comet

     

     

     

     

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    Last Updated on January 20, 2018 by Emma Vanstone

    « Science Sparks Book
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    Safety Notice

    Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources.

    These activities are designed to be carried out by children working with a parent, guardian or other appropriate adult. The adult involved is fully responsible for ensuring that the activities are carried out safely.

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