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Astronomy Vocab
Test Description: Vocab used on the Deep Space astronomy unit.
Instructions: Answer all questions to get your test result.
1) Define the word luminosity
A
The brightness of a star as viewed from an observer compared to the Sun.
B
A brain training game.
C
The size of a star compared to the Sun.
D
A word used in Harry Potter so turn on a light.
2) What is a main sequence star?
A
A large star in the late stage of its life.
B
The early stage of a star's existence where most of its life is spent.
C
All the stars in the Milky Way.
D
A specific line of stars that can be seen in a row or sequence which make up constellations
3) Define intermediate.
A
Beginning
B
Middle
C
End
D
When one object inflicts terror on another, causing a backing down.
4) Define Solar System
A
The collection of Stars, planets and Moons found throughout space
B
The Sun, eight planets, and all objects held by the Sun's gravity
C
The system consisting of Earth and Moon
D
The body which holds all other things in it.
5) Define Universe
A
The Sun, eight planets, and all orbiting bodies around it.
B
The Milky Way which the Solar System is a part of.
C
The body which encompasses all other objects
D
A place where students go after high school
6) Define Dwarf
A
Large
B
Small
C
Gigantic
D
Medium
7) Mass
A
The temperature of an object
B
the luminosity of an object.
C
The brightness of an object
D
The size of an object
8) Define Galaxy
A
The body that encompasses everything
B
Samsung's biggest competitor
C
The spherical shaped Milky Way, which the Solar System is a part of.
D
The Sun, planets and orbiting bodies
9) Define cosmic background radiation
A
The bodies that surround the outter edge of the solar system
B
The shifting of light toward the red side of the spectrum
C
The left over microwave energy observed potentially from the Big Bang
D
The heat generated from the Earth into space
10) Define Redshift
A
A method of collecting scientific data in which probes are injected into the blood stream causing a directional change.
B
The observation of distant objects turning blue.
C
The left over microwave energy observed potentially from the Big Bang
D
The observation of distant objects turning red
*select an answer for all questions
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