Stars
Sun
Mixed Ch. 2 Questions
Galaxies
Universe
100
The Color of a Star depends on this.
What is the temperature?
100
This is the name of the outer layer of the sun in which sunspots are found.
What is the photosphere?
100
Distance that light travels in one year (Approximately 9.5 Trillion Kilometers)
Answer: Light Year
100
What are the 3 parts of a galaxy?
Solar System, stars, planets
100
Scientists and astronomers believe that the universe will: a. end someday b. expand forever c. eventually shrink d. expand and shrink on a regular basis
Answer: b. Expand Forever
200
The color red represents the color of the __________ stars in the universe
What is the coolest?
200
What part of the sun has color?
Answer: The chromosphere
200
Which of the following shows the sequence of a star's life cycle from its earliest stage to its latest stage? (Write out the whole answer) a. white dwarf, main sequence, red giant b. main sequence, red giant, white dwarf c. red giant, white dwarf, main sequence d. main sequence, white dwarf, red giant
Answer: b. Main Sequence, Red Giant, White Dwarf
200
what force binds a galaxy together?
gravity
200
According to the Big Bang Theory the universe is about: a. 470 Billion Years Old b. 500 Billion Years Old c. 4.7 Billion Years Old d. 14 Billion Years Old
Answer: d. 14 Billion Years Old
300
The sun has the greatest apparent magnitude of all stars because of this.
What is distance to Earth?
300
Which part of the sun loops back to its surface?
Prominence
300
A gigantic explosion in which a massive star collapses and throws its outer layers into space is known as:______________.
Answer: Supernova
300
What is the name of the galaxy we live in?
Milky Way Galaxy
300
What is larger than a galaxy?
Answer: the universe
400
Light or electromagnetic radiation ranges from long wavelengths to shorter wavelengths and is called the _____.
What is the Electromagnetic Spectrum?
400
This is the hottest part of the solar system.
Answer: core
400
Name of clouds of dust and gas in space that carry tons of energy and they are usually the places where new stars are born: ______________.
Answer: Nebula / Nebulae
400
Many galaxies carry these huge objects, so massive that even light cannot escape. These objects are known as: __________________
Answer: Black Holes
400
Which of the following is most similar to the light year? a.gram b.second c.kilometer d.degrees Celcius
Answer: kilometer
500
The brightness of a star as seen from planet earth is known as this.
What is Apparent Magnitude?
500
What is the name of the process that begins all star formation with the elements hydrogen and helium?
Answer: nuclear fusion
500
If a star is 6 ly from Earth, how long does it take light from that star to reach Earth?
Answer: 6 years
500
Which of the following is the largest? a. A Main Sequence Star b. A Galaxy c. A Neutron Star d. A Planet
Answer: b. A Galaxy
500
Describe the hierarchy of the universe from largest to smallest.
Galaxy, Solar System, Star, Planet
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