Astronomy Review. What 3 pieces of evidence supports the Big Bang Theory? 1) Doppler Effect 2) Microwave Radiation 3) Quasars.

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Presentation transcript:

Astronomy Review

What 3 pieces of evidence supports the Big Bang Theory? 1) Doppler Effect 2) Microwave Radiation 3) Quasars

Objects in space are moving away from each other… They have a ________ Shift RED

Name this object Hubble Telescope

What is the distance between the Earth and the Sun? Astronomical Unit

What are the three types of Galaxies? Spiral Spiral Elliptical Elliptical Irregular Irregular

What type of galaxy is the Milky Way? Spiral

How do stars give off energy? Nuclear Fusion

What are the 2 most abundant elements in stars? Hydrogen (H) and Helium (He)

What instrument breaks light apart? Spectroscope

What color stars are the hottest? BLUE

Where is our Sun in its lifecycle? Main-Sequence

What is the apparent change in position of a star in the sky when viewed from two different positions in Earth’s revolution? Parallax

What would you use to measure the distance between two stars? Light year

How long is Earth’s revolution? 1 year/365 days

What are constellations that appear to revolve around the North Star (Polaris)? Circumpolar constellations

What causes us to see circumpolar constellations? Earth’s rotation

What determines the lifecycle of a star? Mass of the protostar

What is a cloud of dust and gas at the beginning of a star’s lifecycle? Nebula

What does the nebula form? A protostar

What is the next stage for our Sun? Red Giant

What is the next stage for a Red Super Giant? Supernova

How old is the Earth? ~4.6 billion years old

How old is the solar system? ~4.6 billion years old

How old is the universe? ~14 (13.8) billion years old

List the planets in order, starting closest to the Sun Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune

Where is the Asteroid Belt? Between Mars and Jupiter

What element in the soil on Mars makes it red? Iron

What is the hottest planet? Venus