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Astronomers are now using infrared and radio microscopes to penetrate the interstellar dust, locate more distant OB associations, and trace the spiral arms even farther. A. True B. False
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Asked 3/11/2013 12:07:00 PM
Updated 7/13/2015 10:54:30 AM
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This answer has been confirmed as correct and helpful.
Edited by Janet17 [7/13/2015 10:54:29 AM], Confirmed by Janet17 [7/13/2015 10:54:31 AM]
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User: Astronomers are now using infrared and radio microscopes to penetrate the interstellar dust, locate more distant OB associations, and trace the spiral arms even farther. A. True B. False

Weegy: Astronomers are now using infrared and radio microscopes to penetrate the interstellar dust, locate more distant OB associations, and trace the spiral arms even farther. True.
Expert answered|jeifunk|Points 8952|

User: There is a dramatic difference between orbital motions; therefore, they yield important evidence about the formation of the galaxy. A. True B. False

Weegy: There is a dramatic difference between orbital motions; therefore, they yield important evidence about the formation of the galaxy. True
Expert answered|aisonyu|Points 10|

Question
Asked 3/11/2013 12:07:00 PM
Updated 7/13/2015 10:54:30 AM
0 Answers/Comments
This answer has been confirmed as correct and helpful.
Edited by Janet17 [7/13/2015 10:54:29 AM], Confirmed by Janet17 [7/13/2015 10:54:31 AM]
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These types of galaxies are generally shapeless and tend to be rich in gas and dust. A. elliptical galaxies B. irregular galaxies C. spiral galaxies D. barred spiral galaxies
Weegy: Irregular galaxies are generally shapeless and tend to be rich in gas and dust. User: The monolithic collapse hypothesis says that the ______ formed first and predicts that either the clusters within it should have a uniform age, or the most distant clusters should be somewhat older. A. stars B. disk C. halo D. sun Weegy: The monolithic collapse hypothesis says that the halo formed first and predicts that either the clusters within it should have a uniform age, or the most distant clusters should be somewhat older. (More)
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Updated 7/13/2015 10:44:32 AM
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If the Milky Way partly assembled from smaller units, then some of the _____ clusters in the halo may be hitchhikers. A. globular B. open C. Population I D. Population II
Weegy: If the Milky Way partly assembled from smaller units, then some of the globular clusters in the halo may be hitchhikers. User: These types of galaxies are generally shapeless and tend to be rich in gas and dust. A. elliptical galaxies B. irregular galaxies C. spiral galaxies D. barred spiral galaxies (More)
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Expert Answered
Updated 7/13/2015 10:56:29 AM
1 Answer/Comment
IRREGULAR galaxies are generally shapeless and tend to be rich in gas and dust.
Added 7/13/2015 10:56:29 AM
This answer has been confirmed as correct and helpful.
Dust that blocks our view at visual wavelengths is transparent to radio wavelengths because radio wavelengths are much _______ than the diameter of dust particles. A. weaker B. stronger C. smaller D. larger
Weegy: Dust that blocks our view at visual wavelengths is transparent to radio wavelengths because radio wavelengths are much larger than the diameter of dust particles. (More)
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Expert Answered
Updated 7/13/2015 10:46:13 AM
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A rotation curve is a graph of orbital velocity versus radius in the disk of a galaxy. True or False.
Question
Updated 5/5/2018 9:08:58 AM
1 Answer/Comment
A rotation curve is a graph of orbital velocity versus radius in the disk of a galaxy. TRUE.
Added 5/5/2018 9:08:58 AM
This answer has been confirmed as correct and helpful.
Population I stars are older than Population II stars. A. True B. False
Weegy: no that isn't false at all. User: The most mysterious region of our galaxy is at its very center, or the nucleus. A. True B. False Weegy: A. True User: The center of the Milky Way was first mapped by Eric Becklin in 1968. A. True B. False Weegy: A. True User: Astronomers are now using infrared and radio microscopes to penetrate the interstellar dust, locate more distant OB associations, and trace the spiral arms even farther. A. True B. False (More)
Question
Expert Answered
Updated 7/13/2015 10:53:29 AM
2 Answers/Comments
Population I stars are older than Population II stars. FALSE.
Added 7/13/2015 10:47:42 AM
This answer has been confirmed as correct and helpful.
Astronomers are now using infrared and radio microscopes to penetrate the interstellar dust, locate more distant OB associations, and trace the spiral arms even farther. True.
Added 7/13/2015 10:53:29 AM
This answer has been confirmed as correct and helpful.
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