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| Topic: |
Science
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| Number of pages / Number of words: |
9 / 2488 |
Essay's paper body
Galileo’s main contributions to astronomy were the use of the telescope in observation, and the finding of lunar mountains and valleys, the four biggest satellites of Jupiter, the different phases of Venus, and sunspots. In Physics, he discovered the laws governing falling bodies and projectiles which is a great use even up to now...
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Light comes through to the objective lens and then gets refracted to the eyepiece lens and then it gets into our eyes for an image. As the convex objective lens moves further away from the concave eyepiece the image that is being refracted gets bigger but blurrier. Diagram 1 below illustrates the process of a refracting telescope:
Diagram 1
Materials
- 2 cardboard tubes (50 and 60 mm in diameter)
- Convex lenses (biconvex 100cm FL, biconvex 25cm FL, biconvex 5cm FL, convex unmarked telescope lens, biconcave 20 cm FL, biconcave 20cm FL [2])
- Tape measure (construction and fashion)
- Tri-square
- Masking tape
- Black spray-paint
- Felt fabric
- PVA glue
- Saw
- Sandpaper
- 2B pencil
- Blu-tack
- Tripod
Method:
Part One: Testing the lens focal lengths (the sun test):
1...
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General points of the essay
Galileo: A Man on a Mission
hubble telescope
The Life of Galileo
Galileo Galilei
Galileo 3
Galileo And The Telescope
The Telescope
Galileo And Newton
Galileo: Heretic?
Galileo's Refracting Telescope
Galileo
Lunar Phases
Newton's Reflecting Telescope
Telescope and Astronomy
Hubble Space Telescope
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