In the year 1054 CE, Chinese astronomers observed the appearance of a new star. What occupies that location now?
A) a molecular cloud
B) a planetary nebula with a white dwarf in the centre
C) a supernova remnant with a pulsar in the centre
D) nothing
Correct Answer:
Verified
Q1: When mass is transferred toward a white
Q23: Where is synchrotron radiation produced?
A)in planetary nebulae
B)in
Q29: When does a type-II supernova occur?
A)when a
Q32: What produces synchrotron radiation?
A)objects with temperatures below
Q39: Which of the following offered support for
Q50: Which of the following has a radius
Q51: What remains after a nova explosion?
A) scattered
Q55: If you were to land on a
Q56: Why don't high-mass stars become white dwarfs?
A)
Q57: If you were to land on a
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