1 |
The age of milky way Galaxy is about. |
- A. 13.6 billion years
- B. 13.4 billion years
- C. 13.5 billion years
- D. 13.7 bilion years
|
2 |
Hubble telescope orbits the Earth at a height of about. |
- A. 550 km
- B. 560 km
- C. 500 km
- D. 600 km
|
3 |
Physical exploration of space is conducte both by human spaceflights and. |
- A. Telescope
- B. Robitic spacecraft
- C. Rocket
- D. Spectroscope
|
4 |
Neutron stars emit higher energy reaiation such as. |
- A. Alpha rays
- B. X -rays
- C. beta rays
- D. Gama rays
|
5 |
Glalieo invent and used telescope firstly in. |
- A. 1910
- B. 1911
- C. 1901
- D. 1909
|
6 |
GPS means |
- A. Global pure system
- B. Global positioning system
- C. Global positioning satellite
- D. Global pure satellite
|
7 |
Surface temperature of the Sun is |
- A. 3000 oC
- B. 6000 oC
- C. 15000 oC
- D. 1,500,000 oC
|
8 |
A vehicle designed to carry an artificial satellite in outer space is. |
- A. Rocket
- B. Air bus
- C. Jet Plane
- D. Spacecrapt
|
9 |
Spectroscope is an instrument used to edamine the wavelength of. |
- A. Water waves
- B. Sound waves
- C. Light waves
- D. Air waves
|
10 |
Our Sun is ............ kilometres away from the Earth. |
- A. 10 millions
- B. 12 millions
- C. 15 millions
- D. 20 millions
|