A star is observed with a surface temperature of 3000 K and a luminosity of 10?3 times that of the Sun. Based on the H-R diagram shown above, what is the approximate radius of this star?
A) 0.1 solar radius
B) 0.5 solar radius
C) 1 solar radius
D) The radius cannot be determined.
A) 0.1 solar radius
Physics & Space Science
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The change in constellations with the seasons are caused by ________.
A. the rotation of Earth B. the Sun's orbit around the center of the galaxy C. zodiacal shift D. the precession of Earth's axis E. the revolution of Earth
Physics & Space Science
Describe how Einstein used the photoelectric effect to support the particle theory of light and photons
What will be an ideal response?
Physics & Space Science
Newton found that when light passed through a prism, it was dispersed into the component colors. Which bent the least, and why?
What will be an ideal response?
Physics & Space Science
The number of ______________ appearing on the Sun varies over an 11-year cycle
Fill in the blank(s) with correct word
Physics & Space Science