Universe - Study Mode

[#71] Which of the following is known as the "red planet"?
Correct Answer

(C) Mars

Explanation

Solution: Mars is often called the 'Red Planet' because it appears in the sky as an orange-red star. The colour caused the ancient Greeks and Romans to name it after their god of war. Today, thanks to visiting spacecraft, we know that the planet's appearance is due to rust in the Martian rocks.

[#72] Which planet is known as the Earth's Twin?
Correct Answer

(A) Venus

Explanation

Solution: Venus is sometimes called Earth's twin because Venus and Earth are almost the same size, have about the same mass (they weigh about the same), and have a very similar composition (are made of the same material). They are also neighboring planets. However, Venus and Earth are also very different. Venus has an atmosphere that is about 100 times thicker than Earth's and has surface temperatures that are extremely hot. Venus does not have life or water oceans like Earth does. Venus also rotates backwards compared to Earth and the other planets.

[#73] Twelve constellations referred to as zodiac are ________
Correct Answer

(B) Imaginary region that encompass the path of the planets

Explanation

Solution: Twelve constellations referred to as zodiac are imaginary region that encompass the path of the planets. The 12 constellations in the zodiac family can all be seen along the ecliptic. They are: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius and Pisces.

[#74] Which is the first Asian country to reach the orbit of Mars
Correct Answer

(B) India

Explanation

Solution: It is India's first interplanetary mission and it made it the fourth space agency to reach Mars, after Roscosmos, NASA, and the European Space Agency. It is the first Asian nation to reach Mars orbit, and the first nation in the world to do so in its first attempt.

[#75] Which of the following statements is/are correct? 1. In comparison to the Jupiter, planet Earth displays eclipses more frequently 2. On Mars, only partial solar eclipses are possible Select the correct answer.
Correct Answer

(D) Neither 1 nor 2

Explanation

Solution: Solar eclipses on Jupiter occur when any of the natural satellites of Jupiter pass in front of the Sun as seen from the planet Jupiter. On Mars, annular solar eclipses are possible.