nu@mwit.ac.th

International Space Station

4 2500

1

3 2500

2

7

1(Sputnik 1)

1 (Sputnik 1)

11(Sputnik 11)

11(Sputnik 11)

Laika

1 (Explorer 1)

31 2501

1

5 2501

2

1 (Explorer 1)

1 (Explorer 1)

1 (Explorer 1)

1 (Explorer 1)

Aurora 1

Aurora 2

NASA

1 2501

1

2 2501

1

2

12 2502

2

3

4 2502

3

70 %

12 2504

1

20 2512

Neil Armstrong ,

Michael Collins Buzz Aldrin

Apollo

11

Apollo

11

_

THEOS

hubble lens.flv

Hubble telescope

(20 )

P2 = a 3

P =

a =

AU

T

RV

2

V =

R =

T =

The End