The Image Below Was Probably Taken in ____________ Wavelengths Because

question 46

Multiple Choice

The image below was probably taken in ____________ wavelengths because _______________________.

• A) radio; the disk probably contains many planets with intelligent life, who are beaming out radio and television signals into space
• B) infrared; the central regions are bright, and cool stars in the bulges emit a lot of infrared light
• C) visible; there is a lot dust in this galaxy that blocks light in a ring about halfway along the disk
• D) ultraviolet; the light from hot young stars is mainly found along spiral arms
• E) X-ray; the central nucleus is easily seen, and AGN emit a lot of X-rays