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Matt Pohlhaus & Owen Knott Astronomy Thingy Knipp
Astronomy thingy Pohlhaus & Knott
20
Astronomy
7th Grade
02/22/2013

Additional Astronomy Flashcards

 


 

Cards

Term
Constellation
Definition
Patterns of stars in the sky that create a shape or figure
Term
Absolute Magnitude
Definition
The measure of light which hits the planet
Term
Apparent Magnitude
Definition
The apparent amount of light that a star shines on the Earth
Term
Light-Year
Definition
The distance light travels in one year
Term
Photosphere
Definition
The surface of the sun
Term
Chromosphere
Definition
A layer 2000 kilometers above the photosphere
Term
Corona
Definition
Largest layer of the sun's atmosphere; extends millions of kilometers into space
Term
Sunspots
Definition
Areas of the sun which are cooler than its surroundings
Term
Nebula
Definition
Large clouds of dust
Term
Giant
Definition
When the cores contract and the temperatures inside the stars increase
Term
White Dwarf
Definition
A hot dense core left behind by stars
Term
Super Giant
Definition
When the core heats up to much higher temperatures and elements become heavier and heavier
Term
Neutron Star
Definition
Can exist in a dense core and 20 kilometers in diameter
Term
Black Hole
Definition
When gravity is so strong nothing can escape from it
Term
Galaxy
Definition
Large group of stars, gas, and dust held together
Term
The Big Bang Theory
Definition
The theory of the formation of the universe
Term
Around the sise of an average white dwarf
Definition
earth is around the sise of an average __________________
Term
polaris
Definition
the nort hstar never seems to move
Term
the milky way
Definition
the galaxy we live in
Term
star
Definition
compresed gesses which fuse hydrogen into helium in the core to give off heat and light
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