Twinkle Twinkle
Full of Gas
Life Expectancy
To Infinity and Beyond
This-N-That
100
These are patterns of stars in the sky.
What is constellations?
100
These are the dark cooler areas on the Sun's surface.
What are sunspots?
100
About 90% of the stars in space are these type of stars.
What is main sequence stars?
100
This is the shape of a galaxy that has a similar shape to a football.
What is an elliptical galaxy?
100
All stars begin as this.
What is a nebula?
200
This is why the positions of some of the constellations appear to change throughout the year.
What is the Earth revolves around the sun?
200
The Sun produces energy by fusing hydrogen atoms into these atoms at the core.
What is helium?
200
A main sequence star becomes this after it uses up the hydrogen in its core.
What is giant?
200
A group of stars, gas, and dust held together by gravity is called this.
What is a galaxy?
200
In this system, two stars orbit each other.
What is a binary star system?
300
This is measure of the amount of light given off by a star.
What is absolute magnitude?
300
The intense magnetic fields of sunspots cause these archlike eruptions.
What is prominences?
300
This is a region so dense that nothing, including light, can escape its gravity field.
What is a black hole?
300
The Clouds of Magellan are two of these types of galaxies orbiting the Milky Way.
What are Irregular Galaxies?
300
The Big Bang theory of the formation and expansion of the universe is supported by the observed ________ ______________.
What is red shift?
400
This is the measure of the amount of light received on Earth from a star.
What is apparent magnitude?
400
The number of observed sunspots, prominences, and flares increases in a cycle that occurs every ________ years.
What is 11?
400
This is the sequence of star colors from HOTTEST to COOLEST.
What is blue, yellow, orange, and red?
400
This states that between 15 and 20 billion years ago, the universe began expanding out of an enormous explosion.
What is The Big Bang Theory?
400
1. This is why the position of the constellation Orion appears to change throughout the year, AND 2. This is why Orion can't be seen in the summer sky.
What is 1. because the Earth REVOLVES around the sun? AND 2. because the Earth ROTATES on its axis, Orion is in the daytime sky in the summer so it cannot be seen?
500
The distances to nearby stars can be measured using this.
What is parallax
500
Prominences and flares on the Sun are related to sunspots because they are all caused by these?
What are intense magnetic fields?
500
Our sun is considered average because its temperature and absolute magnitude place it in the _______________ ________________ range of the H-R diagram.
What is main sequence?
500
These are 3 factual statements about the Milky Way Galaxy.
What is 1. It is a spiral galaxy 2. It is a member of the Local Group 3. It is 100,000 light years across?
500
These are 2 reasons the Sun is vital to life on Earth.
What is 1. without the Sun, the water cycle cannot be carried out and water is necessary for life? 2. without the sun, plants could not carry out photosynthesis and would die, so the Carbon Dioxide/Oxygen cycle could not happen?
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