DIRECTIONS: Read each question carefully. Choose the letter of the best answer. Write your answer on a separate sheet of

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Directions Read Each Question Carefully Choose The Letter Of The Best Answer Write Your Answer On A Separate Sheet Of 1 (85.6 KiB) Viewed 90 times

DIRECTIONS: Read each question carefully. Choose the letter of the best answer. Write your answer on a separate sheet of paper. 1. What is a light-year? A. The distance travelled by light in one year (365 % days) B. The distance travelled by light in a leap year (366 years) C. The time required for light to cover 1 AU of distance travelled D. The time required for light to make a round trip from a nearby star 2. What is the approximate age of the universe? A. 14 million years B. 14 billion years 3. What is an Astronomical Unit (AU)? A. It is the average spacing of the planets. B. It is the average distance of the earth from the Sun. C. It is the average distance of the earth from the moon. D. It is the average distance of the Sun from the nearest Star. C. 4.5 million years D. 4.5 billion years 4. What is a parallax? A. An imaginary parallel line of reference when viewing distant stars. B. A unit of measurement of the displacement of celestial objects due to atmospheric factors. C. An apparent displacement of the observed position of objects viewed from different lines of sight. D. A pulsing of light emitted by stars that are at least 1200 Light- years away from the Solar System. 5. Which part of the spectrum does the Starlight show a shift in wavelength? A. Infrared end of the EM Spectrum B. Red light end of the visible spectrum C. Blue light end of the visible spectrum D. Ultraviolet-ray end of the EM spectrum 6. Which is TRUE about the movement of galaxies observed from earth? A. Far galaxies tend to move faster towards observers on earth. B. Far galaxies tend to move slower towards observers on earth. C. Far galaxies tend to move faster away from observers on earth. D. Far galaxies tend to move slower away from observers on earth.