GENERAL KNOWLEDGE

GK

BIG BANG THEORY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A spectroscope takes the light from a galaxy and creates a spectrum that scientist use to detect the galaxies motion.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -By seeing which colors are emitted or absorbed, and the relative amounts of each wavelength, astronomers can identify the chemical composition of a star’s atmosphere or an interstellar nebula, along with the temperature and pressure of the gas. Astronomers also use known spectra to measure the distance to galaxies.

Detailed explanation-2: -Astronomical spectroscopy is the study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation, including visible light, ultraviolet, X-ray, infrared and radio waves that radiate from stars and other celestial objects.

There is 1 question to complete.