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Science Test 7

Chapter 4 (4.1-4.4)

QuestionAnswer
The study of outer space and all that it contains Astronomy
Dark patches on the sun's photosphere Sunspots
Part of the sun visible only during a solar eclipse Chromosphere or Corona
A high-speed stream of particles that travels outward from holes in the sun's corona and beats upon the earth's upper atmosphere Solar wind
Name the 3 basic types of galaxy shapes Spiral, elliptical, irregular
Stars that outline a picture in the sky Constellation
Familiar Shape within the constellation Ursa Major which contains the pointer stars Big Dipper
The hottest region of the sun Core
Streams of gas erupting from the chromosphere and returning in looplike fashion Solar prominence
Spiral arms attached to a straight "bar" that runs through a galaxy Barred spirals
The force that resists motion Friction
An area that contains no air Vacuum
Largest clouds of gas and dust floating around in space Nebulae
The brightest star in the night sky Sirius
The pole star Polaris
The closest star to the earth The sun
The brightest star in the constellation Leo Regulus
The brightest star in the constellation Perseus Algol
What is the imaginary line that stretches from pole to pole? The axis of rotation
What is the star system containing millions to billions of stars? Galaxy
The cluster with about 40 galaxies in which we find Earth is called: Local Group
What star is located 93 million miles away from the earth? Sun
What is the part of the sun's atmosphere closest its surface Chromosphere
What is the hottest region of the sun's atmosphere Corona
What is a pair of stars that travel together and rotate around each other as the moon does the earth Binary Star
What is the actual explosion of a star Supernova
Describe what space is like including at least 3 things that make space different from Earth and it's atmosphere.
What is the difference between apparent magnitude and absolute magnitude?
Created by: sbarna411
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