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.
The northern cardinal (Cardinalis cardinalis) is a North American bird in the genus Cardinalis; it is also known colloquially as the redbird or common cardinal.It can be found in southern Canada, through the eastern United States from Maine to Texas and south through Mexico.It is found in woodlands, gardens, shrublands, and swamps. The northern cardinal is a mid-sized songbird with a body length of 21 cm (8.3 in).It has a distinctive crest on the head and a mask on the face which is black in the male and gray in the female.t can be found in southern Canada, through the eastern United States from Maine to Texas and south through Mexico. It is found in woodlands, gardens, shrublands, and swamps. The northern cardinal is a mid-sized songbird with a body length of 21 cm (8.3 in).