REET · Mathematics and Science (Level 2)
Solar system, stars, galaxies and earth's place in the universe.
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Q1 · Solar System and Universe · EASY
Which planet in our solar system is known as the 'Red Planet' due to the presence of iron oxide on its surface?
Q2 · Solar System and Universe · MEDIUM
The Earth rotates on its axis from west to east and completes one full rotation in approximately 24 hours. At the same time, Earth revolves around the Sun in an elliptical orbit. How long does Earth take to complete one full revolution around the Sun?
Q3 · Solar System and Universe · HARD
A student observes that during a lunar eclipse, the Moon appears reddish in colour even though it passes through Earth's shadow. The order of celestial bodies during a lunar eclipse is: Sun - Earth - Moon. Which of the following best explains why the Moon appears reddish during a total lunar eclipse?
Q4 · Solar System and Universe · EASY
Which planet in our solar system is known as the 'Red Planet'?