Biology, 19.11.2019 22:31 goforthmusic235

What is the main difference between a spiral galaxy and a barred spiral galaxy?

a. whether it has barred arms of stars surrounding the nucleus

b. whether there are bars of dark matter stretching across the galaxy

c. whether it has a central "bar" of stars rather than a rounded nucleus

d. whether there are barred sections of the halo, which do not form spirals

Answers: 2

Show answers

Other questions on the subject: Biology

Biology, 21.06.2019 22:00, guccikathyyy6195

Where would you expect to see seedless plants, such as ferns and mosses? a. in a botanical museum, because they are all extinct b. low and close to the ground in a moist environment c. climbing high while circling the branches of another plant d. deeply rooted in a forest with a trunk that reaches 20 meters or more

Answers: 1

continue

Biology, 22.06.2019 03:30, weisenbergertay5779

What is the most appropriate method of gaining weight (muscle mass)

Answers: 1

continue

Biology, 22.06.2019 15:10, jaeana

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?

Answers: 1

continue

Biology, 22.06.2019 16:20, mimithurmond03

Which example best describes a reflex action? a. eating food when hungry b. coughing when the throat is irritated c. bending down to lift a heavy object d. going for a walk outside

Answers: 2

continue

You know the right answer?

What is the main difference between a spiral galaxy and a barred spiral galaxy?

a. whe...