A spiral galaxy like the Milky Way contains stars, stellar remnants, and a diffuse interstellar medium (ISM) of gas and dust. The interstellar medium consists of 10â4 to 106 particles per cm3 and is typically composed of roughly 70% hydrogen by mass, with most of the remaining gas consisting of helium.
What do cardinals eat for food? Cardinals eat a variety of wild and feeder seeds, including sunflower, safflower and most other seeds in basic wild bird seed mixes. In warm seasons they also eat insects anâ¦d worms and feed their babies mainly an insectivore diet.
What do hawks eat? All raptors are carnivorous and eat only meat. Different families of raptors catch and consume a variety of prey. Accipiters such as the Cooperâs Hawk, primarily feed on birds, but also can take small mammals like cottontail rabbits and squirrels.