ASTRO 7N - Unit 4, Part 1: Galaxies Quiz
UPDATED ACTUAL Exam Questions and
CORRECT Answers
About how long does light take to cross the Milky Way Galaxy? - CORRECT ANSWER -
About 100,000 years
What does our galaxy look like? - CORRECT ANSWER - It has a large disk with spiral
arms, and is relatively flat and thin
It has clouds of gas and dust in the spiral arms
Older yellow stars are found mostly in the central bulge
Old stars and globular clusters are located in a spherical halo above and below the disk
(All of the above)
Why do stars in the halo of the galaxy have almost no heavy elements such as carbon, nitrogen,
and oxygen? - CORRECT ANSWER - Halo stars formed before those elements were
made
Where do stars form in the galaxy today? - CORRECT ANSWER - In the disk
Where are open clusters found? - CORRECT ANSWER - In the disk
UPDATED ACTUAL Exam Questions and
CORRECT Answers
About how long does light take to cross the Milky Way Galaxy? - CORRECT ANSWER -
About 100,000 years
What does our galaxy look like? - CORRECT ANSWER - It has a large disk with spiral
arms, and is relatively flat and thin
It has clouds of gas and dust in the spiral arms
Older yellow stars are found mostly in the central bulge
Old stars and globular clusters are located in a spherical halo above and below the disk
(All of the above)
Why do stars in the halo of the galaxy have almost no heavy elements such as carbon, nitrogen,
and oxygen? - CORRECT ANSWER - Halo stars formed before those elements were
made
Where do stars form in the galaxy today? - CORRECT ANSWER - In the disk
Where are open clusters found? - CORRECT ANSWER - In the disk
