12/7/2023 0 Comments Big telescope drawing![]() In between his musical commitments, Herschel spent hours working at his speculum mirrors, before building them into telescopes and using them to study the sky. Then the metal was ground and polished with ever finer abrasives, in order to achieve a perfect light-focussing curve and extreme shine. First, a 'blank' was cast from a shiny metal alloy known as speculum. In the 1700s, before mechanised manufacturing techniques, producing mirrors was time consuming and required minute attention to detail. The key component of a reflecting telescope is the mirror which gathers light from distant celestial objects. Dissatisfied with the results he obtained with hired instruments, he decided to make his own reflecting telescopes. Herschel had no intention of remaining an armchair astronomer, wanting instead to observe the sky for himself. He devoured James Ferguson's book Astronomy explained upon Sir Isaac Newton’s principles, and made easy to those who have not studied mathematics, which, despite its unwieldy title, was a popular introduction to the subject. While in England, Herschel developed a passionate interest in astronomy. His younger sister Caroline joined him there from Hanover to train as a singer. He pursued musical positions around the country, eventually settling in Bath in 1772. By the 1760s, work was scarce and Herschel moved to London to make a living, also harbouring ambitions to make his name as a composer. Following the family tradition, he trained as a musician and joined the Hanoverian band of the foot guards. Herschel himself was also misled initially, thinking the planet was a comet.įriedrich Wilhelm Herschel- only later would he adopt the anglicised spelling of his name-was born in Hanover, now part of Germany, in 1738. Strictly speaking, Uranus had been seen by many people before Herschel observed it through his telescope, but its dimness and small size led to it being classified as a star. William Herschel, astronomer and musician, is the man credited with this discovery. Re-read your story aloud to listen to see if it makes sense and if you can up-level it even further.Image source for Engraving of William Herschel, shows a cameo style image, he is seated, look right and dressed in a coat with High necked dress shirt Write a story about your newly discovered ability and what you can do with it. But what would be the benefits of looking back in time? How far back can you see? How do you know when it’s the past and when it’s the present? You blacked out for a moment and when you came to, you had the ability to look back in time on Earth as well. ![]() Light from the sun bounced off one of the satellites orbiting Earth and came back down the lens of the telescope, sending Gamma rays into your pupils. Imagine you were one of the scientists looking through the James Webb telescope and you made an epic discovery. ![]() Time: allow 15 minutes to complete this activityĬurriculum Links: English Science Critical and Creative Thinking If we knew the sun was going to suddenly disappear, what would you do in the 8.3 minutes you have left before darkness? Write a descriptive paragraph about this experience. Time: allow 25 minutes to complete this activityĬurriculum Links: Visual Arts Science Critical and Creative Thinking You can use pencils, textas or whatever materials you have to complete your drawing. Write the era or time you are looking back on at the top of your picture. Pick an era and draw what you might see (be as imaginative as you like and draw as much detail as possible). If you could use this new telescope to look back in time, which era would you like to look at through the lens of the James Webb telescope?
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