What distribution pattern of hydrogen gas confirms the existence of spiral arms?
Answer
It congregates into distinct, rotating structures winding outward from the core.
The data collected from mapping hydrogen gas reveals that the matter is not scattered randomly but is organized into distinct, rotating structures that spiral away from the galactic center.
#Videos
We Can't Explain Spiral Galaxies - The Winding Problem - YouTube
Which Spiral Arm Of The Galaxy Is Ours? - YouTube
Related Questions
What unique observational challenge prevents taking a single photograph of the entire Milky Way structure?What astronomical radiation is primarily used to trace the spiral structure because it can cut through obscuring dust?By measuring the Doppler shift of the 21-centimeter line, what fundamental property of gas clouds can scientists calculate?What distribution pattern of hydrogen gas confirms the existence of spiral arms?What observation confirms that spiral arm structures are areas of active stellar birth?What is the Milky Way generally classified as based on its confirmed structure?In a barred spiral galaxy, where do the spiral arms originate relative to the central structure?How are spiral arms characterized regarding their physical composition and movement within the galactic disk?What immediate effect does the passage of a spiral density wave have on the surrounding galactic material?What primary role do external galaxies like M100 or NGC 1300 serve in classifying the Milky Way?What scope, approximately, does the overall rotation structure of the Milky Way span across?