How Did Edwin Hubble Measure the Distance to the Andromeda

question 17

Multiple Choice

How did Edwin Hubble measure the distance to the Andromeda Galaxy?

• A)He measured its parallax.
• B)He applied the period-luminosity relation to Cepheid variables.
• C)He deduced it from its redshift.
• D)He used white dwarf supernovae.

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Definitions:

War Of The Ghosts

refers to a study by Sir Frederic Bartlett that demonstrated how memory and recall are influenced by personal biases and cultural context, originating from an experiment involving the retelling of a Native American tale.

Shifted Toward

Changed or moved in a specific direction or position, often implying a change in focus or approach.

War Of The Ghosts

"War of the Ghosts" is an experiment by Frederic Bartlett that demonstrated how memory reconstruction is influenced by personal biases and cultural context.

False Memory

“Recollections” of “events” that never in fact occurred. See also recovered memory and repressed memory.