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g - Uniwersytet Śląski

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ODLEGŁOŚCI<br />

Rok świetlny = 1 light year =1ly<br />

= (1 rok = 31 536 000 sek) ƒ (299 793.458 km/sek)<br />

= 9454290000000 km = 9.5 ƒ 10 12 km ,<br />

Najbliższe gwiazdy ---- kilka ly,<br />

1 pc == 1 parsek =3.261ly<br />

kpc = 1000 pc,<br />

Mpc = 1000000 pc.<br />

Rozmiary naszej Galaktyki<br />

Droga Mleczna zawiera około<br />

gwiazd<br />

11<br />

10<br />

200 mln lat<br />

0.3 kpc<br />

12.5 kpc<br />

8 kpc

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