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What is the electromagnetic spectrum made of?
They focus perfect images.
Objective lens
Focal point
It blocks most electromagnetic radiation.
Telescope
all the wavelengths of electromagnetic radiation
reflecting telescope
electromagnetic spectrum
all of the frequencies or wavelengths of electromagnetic radiation
They focus perfect images.
Objective lens
Focal point
It blocks most electromagnetic radiation.
Telescope
all the wavelengths of electromagnetic radiation
reflecting telescope
electromagnetic spectrum
What is one advantage of reflecting telescopes?
They focus perfect images.
Objective lens
Focal point
It blocks most electromagnetic radiation.
Telescope
all the wavelengths of electromagnetic radiation
reflecting telescope
electromagnetic spectrum
The point where the rays of light that pass through a lens or that reflect from a mirror converge
They focus perfect images.
Objective lens
Focal point
It blocks most electromagnetic radiation.
Telescope
all the wavelengths of electromagnetic radiation
reflecting telescope
electromagnetic spectrum
uses mirrors to gather and focus light
They focus perfect images.
Objective lens
Focal point
It blocks most electromagnetic radiation.
Telescope
all the wavelengths of electromagnetic radiation
reflecting telescope
electromagnetic spectrum
One lens which collects light and forms an image at the back of the telescope
They focus perfect images.
Objective lens
Focal point
It blocks most electromagnetic radiation.
Telescope
all the wavelengths of electromagnetic radiation
reflecting telescope
electromagnetic spectrum
An instrument that gathers electromagnetic radiation from objects in space and concentrates it for better observation
They focus perfect images.
Objective lens
Focal point
It blocks most electromagnetic radiation.
Telescope
all the wavelengths of electromagnetic radiation
reflecting telescope
electromagnetic spectrum
How does the atmosphere affect astronomical observations?
They focus perfect images.
Objective lens
Focal point
It blocks most electromagnetic radiation.
Telescope
all the wavelengths of electromagnetic radiation
reflecting telescope
electromagnetic spectrum
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