During various stages of evolution, low mass stars (like the Sun) differ significantly from high mass stars. How do they differ in terms of observational properties while Main Sequence stars?
What will be an ideal response?
High mass stars are blue or white and very luminous. Low mass stars are yellow to red and not nearly as bright.
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Sunspots are dark because
a. regions of the photosphere are obscured by material in the chromosphere. b. shock waves move through the photosphere. c. the sun rotates differentially. d. the strong magnetic field inhibits the currents of hot gas rising from below. e. they radiate their energy into space faster than the rest of the photosphere.
What are intrusive rocks?
What will be an ideal response?
The time for one complete cycle of a periodic process to take place is called the period
Indicate whether the statement is true or false
In an H-R Diagram, the path showing changes in a star's luminosity and surface temperature as a function of time is called its ________
Fill in the blank(s) with correct word