We Observe Molecular Hydrogen Gas (H₂)using 21-Cm Emission

Q12: Cosmic rays are<br>A) photons with even higher

Q21: The Milky Way Galaxy is a(n)_ galaxy.<br>A)

Q31: The Milky Way has two major spiral

Q54: The dust in the interstellar medium comes

Q58: Why is 21-cm radiation the best way

Q59: The figure below shows the orbits of

Q62: What observed property of the Milky Way

Q65: Examine the figure below.How does the H-R

Q68: Examine the figure below.How does the H-R

Q69: Magnetic fields in the Milky Way are