Author Question: Both Jupiter and Saturn contain liquid metallic hydrogen. Indicate whether the statement is true ... (Read 75 times)

shofmannx20 · **on:** Jul 27, 2018

Both Jupiter and Saturn contain liquid metallic hydrogen.

Indicate whether the statement is true or false

Question 2

The best determination of the Hubble constant using Cepheid variables found in distant galaxies by the Hubble telescope suggests

a. that the Hubble constant is about 0.07 km/sec/Mpc.
b. that the Hubble constant is about 7 km/sec/Mpc.
c. that the Hubble constant is about 70 km/sec/Mpc.
d. that the Hubble constant is about 700 km/sec/Mpc.