What is the significance of identifying the first astrophysical source of high-energy neutrinos?
Why Scientists Tracked One Neutrino Across the Universe

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Physics, Science
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11th Grade - University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It solves the mystery of dark matter.
It confirms the existence of parallel universes.
It proves the Big Bang theory.
It provides evidence for the source of certain cosmic rays.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it difficult to trace cosmic rays back to their sources?
They travel faster than light.
They are too small to detect.
They are electrically charged and affected by magnetic fields.
They only come from the sun.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes neutrinos useful in identifying the sources of cosmic rays?
They emit visible light.
They are unaffected by magnetic fields.
They are only found on Earth.
They are larger than cosmic rays.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where was the high-energy neutrino detected in 2017 traced back to?
A supernova in the Milky Way.
A black hole in the Andromeda Galaxy.
A blazar four billion light years away.
The center of the Earth.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a blazar?
A small asteroid.
A type of supernova.
A quasar with a jet pointed towards Earth.
A type of neutron star.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chance that the detected neutrino events are unrelated to the blazar?
One in 500
One in 1000
One in 5000
One in 10000
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does multi-messenger astronomy involve?
Studying only black holes.
Using neutrinos, light, and gravitational waves to study objects.
Observing only the sun.
Using only light to study objects.
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