Astronomy: Chapter 21-22 Review

What element is the endpoint for both fusion and fission?

• Iron

• Nickel

• Cobalt

• Gold

Tags

NGSS.HS-PS1-8

What model is used to describe how pulsars work?

• Lighthouse Model

• Schwarzschild Model

• Special relativity

• Wickham Model

• Brickhouse Model

When a star is on the main-sequence, it must have greater than which mass, in solar masses, to result in a black hole?

• 0.8

• 22.5

• 30.0

• 8.0

• 15.0

What type(s) of stellar explosion(s) involve(s) a white dwarf?

• Nova

• Type II Supernova

• Type I Supernova

• A and B

• A and C

What is the star that explodes in a supernova called?

• Progenitor

• Benefactor

• Beneficiary

• Activator

• Extinctor

Tags

NGSS.HS-ESS1-3

If a star’s core remnant (following a supernova) has a mass of between 1.4 and 3 solar masses, what is its likely fate?

• Brown Dwarf

• White Dwarf

• Black hole

• Neutron Star

• Planetary Nebula

Can our Sun ever create a nova?

• No, it is too small.

• No, it is too large.

• No, it is not part of a binary system.

• Yes, it will collide with Proxima Centauri.

• Yes, it will do this when it runs out of helium.

Tags

NGSS.HS-ESS1-1

What element is the heaviest known stable element?

• Uranium

• Einsteinium

• Bismuth

• Promethium

• Technetium

What is the maximum speed than can be achieved in the universe?

• 6.023×10²³ m/s

• 6.67×10^-11 m/s

• 3.00×10⁸ m/s

• 9.25×10¹⁵ m/s

• Ludicrous Speed

What type of radiation is mainly emitted by pulsars?

• X-rays

• Gamma

• Visible Light

• Infrared

• Radio