Describing the universe.
In terms of time, distance,and organization
What is astronomy
Objective
2.Identify the visible and non visible parts of the electromagnetic spectrum.
3.Compare refracting telescopes and reflecting telescopes.
4.Explain how telescopes for no visible electromagnetic radiation differ from the light telescopes.
Astronomy vocabulary
Universe
The universe is commonly defined as the totality of excitence including planets stars galaxies the content of inter galactic space and all matter and energy.
Light Year
The speed of light.
Astronomical Unit
The average distance between the earth and sun.
Electromagnetic Spectrum
All of the frequencies or wavelength of electromagnetic radiation.
Refactoring Telescope
A telescope that uses a set of lenses to gather and focus light from distance objects.
Reflecting Telescope
A telescope that uses a curved mirror to gather and focus light from distant objects.
Describing the electromagnetic spectrum
Electromagnetic spectrum
Visible light if formed by energy that is part of the electromagnetic spectrum. The shortest wavelengths of visible light are blue and violet. All light travels at the same speed different colors of light have different wavelengths. The human eye can see only
Comparing the Reflecting and refractories telescope
Invisible Light Telescope