The Pole Star

Q.

How do we locate the star Sirius with the help of constellation Orion?

Q. What is the difference between ursa major and ursa minor

Q. What is a constellation? Give an example.

Q. Can we count stars in the sky?

Q. Which is the smallest constellation

Q. The constellation _________ helps in locating pole star while the constellation_______ helps in locating the brightest star in the night sky known as_______.

1. Orion, Ursa Major, Sirius
2. Ursa Major, Sirius, Orion
3. Leo Major, Sirius, Orion
4. Ursa Major, Orion, Sirius

Q.

What is binary stars

Q. Draw the location of polestar showing the direction from the Great Bear and the Casseopia constellations.​

Q. The Pole Star appears to be fixed at one point, because:

1. It is situated very far from the Earth.
2. It is situated in the direction of Earth's rotational axis.
3. It moves very slow.
4. It doesn't actually move.

Q. Draw the location of pole star, showing the direction from the Great Bear.

Q. Question 25

Explain with a diagram how you can locate pole star with the help of the constellation Great Bear (Ursa Major).

Q. The constellation _________ helps in locating pole star while the constellation_______ helps in locating the brightest star in the night sky known as_______.

1. Orion, Ursa Major, Sirius
2. Ursa Major, Sirius, Orion
3. Leo Major, Sirius, Orion
4. Ursa Major, Orion, Sirius

Q. Explain how you can locate the Pole Star with the help of Ursa Major. [3 MARKS]

Q. The Pole Star appears to be fixed at one point, because:

1. It moves very slow.
2. It is situated very far from the Earth.
3. It is situated in the direction of Earth's rotational axis.
4. It doesn't actually move.

Q. The Pole Star appears to be fixed at one point, because:

1. It is situated very far from the Earth.
2. It is situated in the direction of Earth's rotational axis.
3. It moves very slow.
4. It doesn't actually move.

Q.

What prerequisites are necessary in identifying a constellation in the sky? [2 MARKS]

Q. is the star considered for navigational purposes by humans for centuries.

1. Polaris
2. Rigel
3. Orion
4. Sirius

Q. Which of the following stars helped sailors in navigation during ancient times?

1. The Sun
2. Sirius
3. Polaris
4. Betelgeuse

Q.

Aditya came to know from his father that pole star is a very special star. In ancient times, it was one of the main indicators of direction at night. What is so special about this star?

1. It's the largest star in the universe.

2. It's the brightest star in the night sky.

3. It does not change its position in the sky.

4. It's the second closest star to Earth, first being the Sun.

Q. From the following options, choose the correct pair.

1. Nearest star
2. 2nd nearest star
3. Appears to be fixed
4. Pole star
5. Alpha Centauri
6. Sun

Q.

What is another name for the North Star?

1. Andromeda

2. Northpoint

3. Polaris

4. Axis star

Q. We can locate the Pole Star with the help of which of the following constellations?

1. Orion
2. Virgo
3. Ursa Major
4. Leo

Q. We can locate the Pole Star with the help of which of the following constellations?

1. Orion
2. Virgo
3. Ursa Major
4. Leo