The Milky Way Galaxy Halo Contains Mostly

The Milky Way Galaxy Halo Contains Mostly. The stars in the halo are all population ii stars, very old and containing few heavy elements. Label the nucleus, central bulge, the sun and four (out of five) spiral arms.

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The disk contains young and old stars; As with many contemporary mysteries in astronomy, the answer is dark matter. Stellar halo the stellar halo contains field stars (high velocity stars) and

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The galaxy we know the most about (by far) key points: The spherical halo component ____ in other galaxies should contain luminous o and b stars if they are like the milky way.

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Keeps increasing, all mass is. The mass of the milky way galaxy.

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The nucleus of the milky way galaxy is composed primarily of. The milky way is the galaxy in which we live:

~1 Trillion Solar Masses The Excess ~800 Billion Solar Masses Is Not Emitting Any Radiation:

So arms always contain same types of objects, but individual objects come and go. The stellar halo extends much farther from the center of our galaxy than the visible disk. As with many contemporary mysteries in astronomy, the answer is dark matter.

Formation Of The Milky Way As We Have Already Discussed, What We See Of The Milky Way In Visible Light Is So Strongly Affected By Interstellar Dust That It Is Difficult To Get An Overall Impression Of The Shape Of The System.

The central region of the milky way is shaped like a bar, composed of mostly old, red stars. The halo contains mostly old stars. (the milky way that we see in the sky is made of disk stars, not halo stars).

You Can Clearly See The Bulge And Disk Of The Andromeda Galaxy In The Picture Below.

90% of matter in milky way is dark matter The disk contains young and old stars; ~ 200 billion solar masses there is additional mass in an extended halo total:

Total Mass Of Visible Stars In The Disk Of The Milky Way:

The milky way system is a spiral galaxy consisting of over 400 billion stars , plus gas and dust arranged into three general components as shown to the left: 4 kpc from the center of the milky way in the halo. Nucleus, bulge, disk, halo, dark matter;

Spectral Analysis Of Cepheid Variables.

____ of the milky way contains mostly old (population ii) stars and globular clusters. The dark halo contains most of the mass of the milky way, in the form of invisible dark matter Contains almost no gas and dust, and no recent star formation;