International Space Station

Q.

How is our atmosphere different from the atmospheres on Venus and Mars?

Q.

The value of G on earth is 6.673 x 10^-11 Nm² kg^-2, what is the value of G on the surface of the moon?

Q.

A Place Where Astronomical Observations Are Made Is Called______

Q.

________________ is called astronomy.

Q.

Why is G called the universal gravitational constant?

Q.

Acceleration due to gravity g is also a universal constant just like G.

1. True
2. False

Q.

Calculate the value of g on an imaginary planet of mass 1 x 10²⁴ kg and of radius 2 x 10⁶ m. Take G = 6.7 x 10^-11 Nm² kg^-2.

Q. Which star is called earth satellite?

1. Moon
2. Venus
3. Saturn
4. Sun

Q. What are scientists studying the universe called?

Q. What is the name of American Space Agency?

Q.

What is the value of G on the surface of the moon?

Q.

The value of quantity $G$ in the law of gravitation

1. depends on mass of earth only

2. depends on radius of earth only

3. depends on both mass and radius of earth

4. is independent of mass and radius of earth

Q. Salyut and Skylab were built:

1. monolithic
2. duo lithic
3. None of these
4. trilithic

Q. The collection, and study of details of known or unknown heavenly bodies in outer space is called as _________.

Q.

Give the value of g on the surface of the moon.

Q. Which of the following is cannot be considered as the use of space stations?

1. Space station is used to study the effects of long-duration spaceflight on the human body
2. Space station provides a platform for greater number and length of scientific studies than it is available on other space vehicles.
3. Space stations are used both for military and civilian purposes.
4. None of these