Why do astronomers believe chondrite meteorites are about 4.6 billion years old-formed when the Solar system formed?
A) Their chemical composition suggests they are pieces broken off Mars, which is believed to have formed at that time.
B) There is no other reasonable time period in the solar system's history when any meteoroids could have formed.
C) The chemicals they are made of were only common at the formation of the solar system.
D) Radioactive dating can be used to determine their age.
Correct Answer:
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Q2: Fragments that do not completely burn in
Q3: Chondritic meteorites provide important clues because they
Q4: What is a meteor?
A) a glowing trail
Q5: What is a meteoroid?
A) a glowing trail
Q6: What is a meteorite?
A) a glowing trail
Q7: What is the difference between a meteor
Q8: What are the three broad categories of
Q9: All of the Asteroids in the Asteroid
Q10: Infrared observations are used to determine the
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