Hubble's law and the Big Bang theory

State Wien’s displacement law in words.

May/June 2022

State Hubble’s law in words.

May/June 2022

State the law of Wien’s displacement.

May/June 2022

State Hubble’s law. Identify any symbols that you use.

May/June 2023

State Hubble’s law, and identify any symbols you use.

May/June 2023

State what Hubble’s law says.

May/June 2025

State Hubble’s law in words or symbols.

May/June 2025

Fig. 9.1 displays the visible portion of hydrogen gas’s emission spectrum in a laboratory on Earth. The labels show the wavelength, in nm, for each line.

Oct/Nov 2022

Explain how redshift shows that the Universe is expanding.

Oct/Nov 2024

Explain how redshift suggests that the Universe is expanding.

Oct/Nov 2024

State the meaning of redshift.

Oct/Nov 2025