Which of these components of the Milky Way was recently mapped by the Planck satellite?
A) the spiral arms
B) the global magnetic field
C) an X-shaped set of stars near the galactic center
D) atomic hydrogen

Question

Quizplus · Accepted Answer

The Planck satellite was used to map the global magnetic field of the Milky Way. This was achieved through observations of the cosmic microwave background radiation, as well as dust within the galaxy, which is aligned with the galaxy's magnetic field, providing insights into its structure.

Which of These Components of the Milky Way Was Recently