DESCRIBE THE UNIVERSE
In terms of time, distance, and organization
What is astronomy?
It is good for the study of the universe it also important for the potential benefits to humans. This also helps how stars shine may one day lead to improve or new energy source on earth.
Objectives
1.IDENTIFY:The visible and non-visible parts of the electromagnetic spectrum.
2.COMPARE:refracting telescopes and reflecting telescopes.
3.EXPLAIN:How telescopes for non visible electromagnetic radiation differ from light telescopes.
ASTRONOMY VOCABULARY
Universe
The universe is commonly defined as the totality of existence including planets,stars,and galaxy's the continents of intergalactic space, and all the mater.
Light year
A light-year, also light year or lightyear, is a unit of length, equal to just under 10 trillion kilometres.
Astronomical unit
A unit of measurement equal to 149.6 million kilometers, the mean distance from the center of the earth to the center of the sun.
Electromagnetic
The electro magnetic is relating to the interrelation of electric currents or fields and magnetic fields.
Refracting telescope
Change in direction of propagation of any wave as a result of its traveling at different speeds at different points along the wave front.
Reflecting telescope
A telescope in which a mirror is used to collect and focus light.