Vocabulary
Vocabulary
Vocabulary
Facts
Facts
100
star
What is a large, hot ball of gas which is held together by gravity and gives off its own light?
100
constellation
What is a number of stars that appears to form a pattern?
100
pulsar
What is the "blinking light" of a neutron star?
100
red and orange
What are the colors for the coolest stars?
100
blue and white
What are the colors of the hottest stars?
200
black hole
What is an object whose gravity is so strong that light cannot escape it?
200
nebula
What is a cloud of gas and dust in space that is the beginning of a star's life cycle?
200
neutron star
What is an extremely dense star made entirely from tightly packed neutrons? (formed from supernova remnants)
200
yellow
What is the color of our star, the Sun?
200
Orion
What is the hunter, an example of a constellation?
300
light-year
What is the distance light travels in a year?
300
supernova
What is a star that explodes?
300
main-sequence star
What is a star that fuses hydrogen into helium? A star spends most of its life in this stage.
300
99.8% of all the mass in our solar system
What is our Sun?
300
surface temperature
What is a star's color related to?
400
absolute magnitude
What is the actual brightness of a star?
400
magnitude
What is the brightness of a star?
400
protostar
What is a young star?
400
8,000 light years from Earth
What is the most promising black hole?
400
nuclear reactions
What is occurring at the center of a star?
500
parallax
What is the apparent shift in an object's location when viewed from 2 positions?
500
apparent magnitude
What is the brightness of a star as it appears in a night sky?
500
planetary nebula
What is a giant star's expanding layer of gas that spreads out into space because its gravity is not strong enough to hold onto this outer layer?
500
plants and producers
What traps the Sun's energy by making its own food.
500
theoretical
What is the explanation for black holes?
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