Tähtkuju all mõistetakse kindlalt piiritletud ruumilist taeva ala. 1. Mis on tähtkuju ja kuidas määratakse ühe tähe koordinaate? 2. Sõnasta kolm Kepleri seadust. 3. Iseloomusta ühte maatüüpi planeeti (Merkuur, Veenus, Maa või Marss). Arvulised andmed planeedi kohta, planeedi pinnaehitus, planeedi siseehitus, atmosfääri koostis, eluvõimalused antud planeedil, kaaslase info. 4. Iseloomusta ühte hiidplaneeti(Jupiter, Satur, Uraan, Neptuun). Arvulised andmed planeedi kohta, planeedi siseehitus, atmosfääri koostis, eluvõimalused antud planeedil, kaaslase info. 5. Iseloomusta Päikesesüsteemi väikekehi(komeedid, asteroidid, meteoorid). 6. Iseloomusta Päikest (tekkest, arengust ja surmast on ka vaja rääkida). 7. Iseloomusta teisi tähti. 8. Iseloomusta galaktikaid. 9. Universumi teke, areng ja häving. Tegelik sodiaak ehk Päikese igaaastane liikumisteekond Kaalud 31. okt 22. nov
turned out, had once worked in the toy business. "No coincidence," he said knowingly. "What do you mean, 'No coincidence'?" "Look," he said, "let me ask you a couple of questions about the road-race set you bought this year. First, did you promise your son that he'd get one for Christmas?" __lii..:.111 Chapter 3 COMMITMENT AND CONSISTENCY "Well, yes I did. Christopher had seen a bunch of ads for them on the Satur- day morning cartoon shows and said that was what he wanted for Christmas. I saw a couple of ads myself and it looked like fun; so I said OK." "Strike one," he announced. "Now for my second question. When you went to buy one, did you find all the stores sold out?" "That's right, I did! The stores said they'd ordered some but didn't know when they'd get any more in. So I had to buy Christopher some other toys to make up for the road-race set
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