Show:
Our solar system
Anatomy of the Universe
Waves
Distance and Time
random
100
Who is our closest star?
Sun
100
What 3 things did we learn the universe is composed of?
Stars, nebula, and galaxies.
100

How do astronomers gather information about space.

Electromagnetic spectrum.

100
What are light years?
unit used to measure DISTANCE and sizes in the universe.
100

What is the 4th planet in the solar system

Mars

200

What belt separates the rocky planets and the gas giants?

The Asteroid Belt

200
What is a nebula?
Cloud of dust and gas. Beginning and ending of a star.
200
How many different waves on in the EM spectrum?
7
200
How fast does light travel?
300,000 km/s
200
What is it mean if a galaxy is redshifted?
The galaxy is moving away from us.
300
Where is our sun in our galaxy?
On the edge
300
What is a star?
Large sphere of gas.
300
What is the only wave we can see?
Visible light
300

How long does one revolution of earth around the sun take?

365 days

300
What do astronomers use to classify stars?
HR Diagram
400

What is a meteorite?

A rocky object (meteor) that has hit the surface of our planet

400
What is a galaxy?
Large group of stars.
400
What is the wave that can help astronomers identify the chemical composition of a star?
Visible light
400

How far away is the farthest star we have ever seen through a telescope

about 14.8 billion lightyears

400

What color will stars appear when moving towards us?

Blue

500
Why do we orbit the sun?
Gravitational pull
500
What 3 galaxies did we learn about?
Spiral, irregular, and elliptical.
500
Which wave has the lowest frequency and can enter our atmosphere freely?
Radio Waves
500
How many kilometers in a light year?
9.5 trillion km.
500
Where will the hottest and brightest star be located on the HR diagram?
The top left corner.