Chapter 10 Development in Astronomy Flashcards

1
Q

Who are the 3 people who contributed in the development of the solar system model?

A

Ptolemy. Copernicus and Kepler

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the first known solar system model?

A

Geocentric Model

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the current solar system model used today? and who invented it

A

Heliocentric model, Kepler

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Identify the geocentric model

A

Earth is stationary and all the objects such as the sun and other planets revolve around it in circular orbits

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Identify the heliocentric model

A

The sun as the center of the Solar system and the earth rotates on its own axis and revolves around the sun in a circular orbit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What modifications were made in the modified Heliocentric Model

A

Modified it with the sun at one common focal point on the elliptical orbits of the planets according to KEPLERS LAW

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Order of planets from the sun

A

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are some applications of technology in space exploration

A

Space Telescopes, Rockets, Satellite, Space Probes and Remote sensing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What if the function of an Astronomical Sextant

A

Measure the altitude of stars

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the mode widely used astronomical instrument

A

Galileo’s Telescope

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the function of the Hubble Space Telescope

A

Observe and gather information on galaxies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the function of the Spitzer Space Telescope

A

Detects very distant activities in space such as the formation of stars

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the function of a radio telescope

A

Detect radio waves from space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the function of a rocket

A

Used widely in space exploration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Explain how does a rocket work

A

When the fuel in a rocket burns, hot gases releases at high speeds through the bottom of the rocket, producing a force which pushes the rocket upwards

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What was the first ever satellite sent to outer space? and when was it

A

Sputnik I in 1957

17
Q

How many satellites does malaysia have?

A

7 including MEASAT-1, 2, 3 and 3a

18
Q

What is a space probe?

A

A spacecraft that gathers information and sends it back to Earth

19
Q

What do space probes carry?

A

Cameras and remote sensing instruments as well as radio transmitters and receivers for the purpose of communicating with scientists on Earth

20
Q

What is the name of the national space agency in Malaysia and when it was built

A

Agensi Angkasa Negara 2002

21
Q

When was the construction of the International Space Station completed

22
Q

What is remote sesing

A

Method of gathering and recording information from a distance

23
Q

In which satellite does Malaysia use for remote sensing?

A

TiungSAT-1

24
Q

What are the uses of the remote sensing instruments in a satellite?

A

to receive or detect visible, ultraviolet and infrared lights produced by objects on the surface or below the surface of the Earth

25
In what fields are remote sensing technology used in?
Agriculture Geology Disaster Management Defence
26
What benefits are brought in the field of agriculture with the use of remote sensing in satellites?
Detect suitable regions for agricultural development
27
What benefits are brought in the field of geology with the use of remote sensing in satellites?
Detect locations such as mineral sources, mass depletion and land depletion
28
What contributions are brought to disaster management with the use of remote sensing in satellites?
Identify pollution and forest fires
29
What contributions are brought in the field of defence with the use of remote sensing in satellites
Detect intrusions of enemy ships, aricraft and vehicles