Suggestions

• Who opposed Immanuel Kant's hypothesis about the universe?

• What is the Hubble constant?

• Where did Hubble die?

• What was the title of Edwin Hubble's dissertation?

• What did Albert Einstein introduce to his equations to avoid the problem of the expanding universe?

• What did Edwin Hubble consider theories to be?

• Who predicted the redshift-distance relation?

• What organizations was Edwin Hubble a member of?