How Can We See Through the Interstellar Medium

Multiple Choice

How can we see through the interstellar medium?

A) by observing with telescopes above the Earth's atmosphere, such as the Hubble Space Telescope
B) by observing at wavelengths (high- energy X- rays and long wavelength radio waves) that are not absorbed by interstellar dust
C) by observing with only the biggest telescopes
D) by observing only the brightest stars in the galaxy
E) We cannot see through the interstellar medium.