1541Every Day ScienceMedium
Nearest galaxy to our milky way is ________?
AWhirlpool
MCQs
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Correct answer
C. Andromeda
Explanation
Andromeda is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. 1 AU
Explanation
Note : In astronomy, an average astronomical unit is defined as the average distance from the Sun to the Earth, or about 150m KM ( 93 million miles ). You can abbreviate astronomical unit as AU. Since the distance in astronomy are so vast, astronomers use this measurement to bring the size of numbers down. For general reference, we can say that one astronomical unit (AU) represents the mean distance between the Earth and our sun. An AU is approximately 93 million miles (150 million km). It’s approximately 8 light-minutes. More exactly, one astronomical unit (AU) = 92,955,807 miles (149,597,871 km).
Correct answer
A. 3:1
Explanation
The sun is mostly composed of the elements hydrogen (H) and helium (He). By mass the composition of the sun is 75 percent hydrogen and 25 percent helium. Various metals make up less than 0.1 percent of the mass of the sun. The temperature of the sun’s surface is about 10,340 degrees Fahrenheit (5,726 degrees Celsius).
Correct answer
B. Infectious diseases
Explanation
Infectious diseases is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. 76 years
Explanation
76 years is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Groups
Explanation
Groups is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Decreasing focal length of the lens
Explanation
Decreasing focal length of the lens is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Magnesium Sulfate
Explanation
Magnesium Sulfate is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Carbon Dioxide
Explanation
Carbon Dioxide is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Cast iron
Explanation
Cast iron is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.