Universe & Solar System Section 12 Practice Questions Answers Test With Solutions & More Shortcuts

Answer: (c)

The group of stars arranged in a definite pattern is called constellation. In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, which are patterns formed by prominent stars within apparent proximity to one another on Earth’s night sky.

Answer: (d)

Like the other planets in our solar system, Venus rotates about its axis.

However, Venus is the only planet that rotates from east to west instead of west to east. This means, that if we lived on Venus, the Sun would appear to rise in the west in the morning, and set in the east in the evening. Venus rotates in what is called retrograde motion.

Answer: (a)

A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems. A galaxy is held together by gravity. Our galaxy, the Milky Way, also has a super massive black hole in the middle.

Answer: (b)

Answer: (d)

Space between Earth and Moon is known as Cislunar. Pertaining to the space between the earth and the orbit of the moon.