1 Consider the following statements 1 Mars is believed to have possibility of life after earth 2 Mar...........

Science Affairs Space

Download Solution PDF

1. Consider the following statements:

1. Mars is believed to have possibility of life, after earth

2. Mars has same size, mass and density as that of earth

3. Mars is called ‘Earth’s twin’

4. Moon revolves westward around earth in about 27 days.

Which of the above statements is/are correct?

1 only

1 and 2

1, 2 and 4

1, 3 and 4

छोटे Courses बड़े Results

Master Space

Prepare through Micro-courses

Try Now

Explanation:

As Mars lies in the goldilock zone, so there is a possibility of life. Size of earth is bigger than Mars. Venus is known as Earths twin planet and density of earth is highest among all planets of solar system. The lunar orbital period with respect to the stars (sidereal month) is 27.32166 days (27d 07h 43m 12s). It moves eastward against the background stars.