Lesson Five Topics

Lesson Five Overview
History of the Neutron Star
The Discovery of the Pulsar
Pulsars and Neutron Stars
How Do Neutron Stars Form?
Properties of Neutron Stars
The Magnetic Field of Neutron Stars
Why Do Neutron Stars Pulse?
Millisecond Pulsars
Pulsar in the Crab Supernova Remnant
Why Study Pulsars?


Activities and Quizzes

Pulsars : Activities and Quizzes

Activity 1: Quiz

Who discovered the first pulsar?
Ernest Rutherford
James Chadwick
Jocelyn Bell
Karl Schwarzschild
What was the significance of the discovery of the pulsars in the Crab Nebula and the Vela Supernova Remnant?
Pulsars were discovered in places where neutron stars were predicted to exist
Astronomers realized that pulsars emitted all types of electromagnetic radiation, from gamma ray to radio
This event marked the discovery of the first millisecond pulsars
Astronomers discovered that pulsars could be optically viewed, as opposed to just measuring radio waves
Which of the following is NOT a basic property of neutron stars?
Strong gravitational field
Strong magnetic field
Extremely high density
Extremely large volume
When radio astronomers view pulsars, they are really viewing
Beams of radiation from a neutron star that are pointed at Earth
The spin axis of a neutron star
The intense gravitational field of a neutron star
The magnetic field of a neutron star
True/False: Neutron stars are always pulsars
True
False
Which of the following is NOT a characteristic of
millisecond pulsars?
They are relatively old.
They are smaller than normal pulsars.
They spin more rapidly than normal pulsars.
They make very accurate timekeepers.
The Crab pulsar was the first _____ pulsar to be
discovered.
Millisecond
Radio
Optical
Binary
Pulsars can be viewed at what wavelengths?
Radio only
Radio and optical
Radio, optical, and gamma-ray
All wavelengths in the electromagnetic spectrum

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