What can spectroscopes tell us about a space object?
A. calculate location
B. determine temperature, chemical composition, and size
C. provide imagery
D. determine temperature, chemical composition, and speed
for those in connexus:
1. Both orbit the sun.
2. Saturn.
3. determine temperature, chemical composition, and speed
4. the mass of the star
5. white dwarf
6. nebula
7. a black hole
8. pinwheel
9.a distant luminous object travels rapidly towards an observer.
10.Some scientists think that the universe will not keep expanding forever.
11.After the universe reaches its expansion limit, gravity will pull it all back together.
12.Objects seem to move across the sky, and Earth did not feel like it was moving.
13.What is the future of the universe?
14.big bang theory
15.There is a red shift, which means that the star is moving away from the sun.
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The correct answer is option B: determine temperature, chemical composition, and size.
Spectroscopes are instruments that analyze the light emitted or absorbed by a space object to reveal information about its physical and chemical properties. By analyzing the spectrum of light, spectroscopes can provide information about the temperature, chemical composition, and size of the object.
Temperature can be determined by analyzing the intensity and distribution of light in different parts of the spectrum. Chemical composition can be determined by analyzing the wavelengths of light that are absorbed or emitted by the object, which are specific to different elements and molecules. Size can be estimated by analyzing the broadening or narrowing of spectral lines, which can indicate the object's velocity and/or rotation.
Spectroscopes are powerful tools for studying celestial objects such as stars, galaxies, and planets, and have greatly expanded our understanding of the universe.