I-Halley's Comet (1P/Halley)
I-comet ethandwa kakhulu, ibuyela njalo eminyakeni engu-75 kuya ku-76.
NASA/W. Liller
I-comet yokuqala umuntu owaziyo ukuthi izobuyela, futhi yakwenza.
UEdmond Halley waqonda ngo-1705 ukuthi ama-comets abonakala ngo-1531, 1607 no-1682 ayewo wonke umuntu futhi wabikezela ukubuyela kwawo ngo-1758. Yabe yi-comet yokuqala eyaziwayo njengenkanyezi eqhubekayo.
I-orbit yayo iyinto encane kakhulu (e ≈ 0.97) futhi ihamba emuva. Idlule ilanga ngo-1986, lapho i-ESA Giotto spacecraft ihamba eduze kwe-nucleus yayo, futhi izobuyela ngo-2061.
Amasu
Amathuluzi nama-lessons asebenzisa amamodeli alula ukufundela kuphela. Akufanele asetshenziswa ukuhlola, ukuhlela umsebenzi noma noma yiluphi ukhetho lokusebenzela. Izitifiketi zimahhala futhi aziqinisekisiwe. Funda isichazamazwi sezinto ezifundiswayo