#Theuniverse #Hard #Part1 What is the cause of a supernova explosion in a star?
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Hydrogen depletion
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Fusing iron
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Losing magnetism
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Absorbing planet
#Theuniverse #Hard #Part1 Which of the following is the most distant man-made object from Earth?
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Voyager 2
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The Parker Solar Probe
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Voyager 1
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Pioneer 10
#Theuniverse #Hard #Part1 What is the most massive type of star known?
Blue dwarf
Hypergiant
White dwarf
Red giant
#Theuniverse #Hard #Part1 Which theory best explains the accelerating expansion of the universe?
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Big Bang Theory
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Steady State Theory
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Dark Energy
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Inflation Theory
#Theuniverse #Hard #Part1 What is the name of the boundary around a black hole beyond which nothing can escape?
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Event Horizon
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Singularity
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Photon Sphere
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Spacetime Distortion
#Theuniverse #Hard #Part1 Which type of star eventually becomes a white dwarf?
Supergiant star
Red dwarf
Neutron star
Sun-like star
#Theuniverse #Hard #Part1 What is the temperature of the cosmic microwave background radiation?
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10.0 K
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0.01 K
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100.0 K
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2.7 K
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1000.0 K
#Theuniverse #Hard #Part1 Which of the following black holes is located at the center of the Milky Way galaxy?
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M87*
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OJ 287
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Cygnus X-1
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Sagittarius A*
#Theuniverse #Hard #Part1 What is the main reason stars are able to shine?
Nuclear fusion
Gravitational collapse
Magnetic fields
Chemical reactions
#Theuniverse #Hard #Part1 What is the most abundant form of matter in the universe?
Dark Matter
Neutrinos
Ordinary Matter
Dark Energy
