Page No 235: - Chapter 17 Stars & The Solar System class 8 ncert solutions Science - SaraNextGen [2024-2025]

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On April 24, 2024, 11:35 AM

Question 6:

Match items in column A with one or more items in column B.

Answer:

In which part of the sky can you find Venus if it is visible as an evening star?Question 7:

Answer:

Venus appears in the western sky after sunset and is called the evening star.

Question 8:

Name the largest planet of the solar system.

Answer:

The largest planet of the solar system is Jupiter.

Question 9:

What is a constellation? Name any two constellations.

Answer:

A constellation is a group of stars that form a recognisable pattern in the sky.

The two well known constellations are Ursa Major and Orion.

Question 10:

Draw sketches to show the relative position of prominent stars in (a) Ursa Major and (b) Orion

Answer:

(a) Ursa Major appears like a big dipper. There are three bright stars in the handle and four stars in the bowl of the dipper (as shown in the given figure).

(b) Orion appears like a hunter. Three bright stars appear in the belt, while five bright stars are arranged in the form of a quadrilateral (as shown in the given figure).

Question 11:

Name two objects other than planets which are members of the solar system.

Answer:

(i) Asteroids

A collection of a large number of small objects, gases and dust are revolving around the sun. They occupy a large gap between the orbits of Mars and Jupiter. However, these are not planets. These celestial objects are known as asteroids.

(ii) Meteors

Meteors are small celestial objects that are seen as bright streaks of light in the sky. They brunt out on entering the Earth’s atmosphere because of the heat produced by friction. This results in bright streaks in the sky. They are not planets.