Earth's gold formed by stellar collisions, scientists say
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Science, Physics
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11th Grade - University
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Hard
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What cosmic event is associated with the observation of gamma ray bursts?
The birth of a new star
The collision of two neutron stars
The explosion of a supernova
The formation of a black hole
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How often do neutron star mergers occur in our galaxy?
Once every 1000 years
Once every 500 years
Once every 10 millennia
Once every 100 years
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What elements are ejected after the collision of neutron stars?
Radioactive elements only
Gaseous elements like oxygen and nitrogen
Light elements like hydrogen and helium
Precious metals and other heavy elements
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the estimated amount of gold produced by a neutron star merger?
Equivalent to the weight of 10 Earths
Equivalent to the weight of 10 moons
Equivalent to the weight of 10 suns
Equivalent to the weight of 10 asteroids
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a consequence of neutron star mergers?
Production of heavy elements
Formation of black holes
Destruction of nearby planets
Creation of new galaxies
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