Section 1- Last Min Astronomy Flashcards
Early history of astrology
The stars effect our past present and future
“Blame it on the stars”
Stars were used to make
Pyramids Monuments and other structures
Calendars (360 days) when to hunt harvest etc
Directions “Polaris southern crux”
How far does lol gut travel in a year?
The distance light travels in one year at 300 000 km/s
Are constellations real?
No if we were anywhere else besides earth there would not be the constellations we see
Who supported Copernicus?
Kepler, Newton, Galileo
What did Kepler prove?
He proved things closer move faster than things farther away and therefore the stars are on different planes
What did Newton prove?
Newton proved the sun has enough mass to hold things in orbit and the earth does not
What did Galileo prove?
He improved the telescope giving more detail to star watching and now they could see planets and not only stars
What is a star map?
A map of the stars following the Suns path
What is the order of the electromagnetic spectrum?
R-TV-micro-infr-visiblel-uv-X-ray-gamma
What makes radiation more intense
The smaller the wavelength the higher the frequency the more intense =gamma is intense
Optical lenses what 2 types and what 2 things do they do?
Refracting and reflecting
The brighten and enlarge the image
What does a Convex lens Concave lens Convex mirror Concave mirror Do to light?
Convex lens bends light in
Concave lens bends light out
Convex mirror bends light out
Concave mirror bends light in
What do spectroscopes do?
They find the
Composition
Intensity
Movement of stars
