Geography, 22.04.2020 21:57 smartgirl9989
1. A protostar has not yet kindled nuclear fusion but glows: A. in the ultraviolet, B. in the infrared, C. with gamma ray emission.
2. Large, hot young stars ionize an HII region (singly ionized) region around them called A. HI region, B. 'The zone', C. Stromgren Sphere.
3. (T or F) The earth's demise will happen by being engulfed in a Red Giant.
4. (T or F) A white dwarf is hotter on the surface than its surface on the main sequence
5. O I is what ionization state of Oxygen? A. neutral, B. singly ionized, C. doubly ionized.
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