Semakan pada 07:04, 26 November 2015 sunting Polar (bincang \| sumb.) Penyelia 53,106 suntingan →‎Anomali graviti ← Suntingan sebelumnya		Semakan pada 07:11, 26 November 2015 sunting batalkan Polar (bincang \| sumb.) Penyelia 53,106 suntingan →‎Sebelum matahari terbit, selepas matahari terbenam Suntingan berikutnya →
Baris 240: === Sebelum matahari terbit, selepas matahari terbenam === Fenomena [[pembiasan atmosfera]] menjadikannya tidak mustahil untuk melihat Matahari (dan gerhana matahari) walaupun ia sedikit di bawah ufuk langit. Walau bagaimanapun, adalah untuk mungkin gerhana matahari mencapai kepenuhan (atau sekiranya berlaku gerhana separa, hampir kepenuhan) sebelum (visual dan sebenar) matahari terbit atau selepas matahari terbenam dari lokasi tertentu. Apabila ini berlaku tidak lama sebelum kepenuhan itu, langit akan kelihatan lebih gelap daripada yang sepatutnya sebaik sebelum matahari terbit atau selepas matahari terbenam. Pada kesempatan ini, objek (terutamanya [[planet]], sering [[Utarid]]) mungkin boleh dilihat berhampiran titik matahari terbit atau matahari terbenam di kaki langit sedangkan ia tidak mungkin dapat dilihat tanpa gerhana.<ref>{{cite web \|author=D. Criner \|title=Musings About Twilight \|url=http://www.enginova.com/twilight.htm}}</ref> <!--▼ The phenomenon of [[atmospheric refraction]] makes it possible to observe the Sun (and hence a solar eclipse) even when it is slightly below the horizon. It is, however, possible for a solar eclipse to attain totality (or in the event of a partial eclipse, near-totality) before (visual and actual) sunrise or after sunset from a particular location. When this occurs shortly before the former or after the latter, the sky will appear much darker than it would otherwise be immediately before sunrise or after sunset. On these occasions, an object (especially a [[planet]], often [[Mercury (planet)\|Mercury]]) may be visible near the sunrise or sunset point of the horizon when it could not have been seen without the eclipse.<ref>{{cite web \|author=D. Criner \|title=Musings About Twilight \|url=http://www.enginova.com/twilight.htm}}</ref> === ~~Eclipses~~Gerhana ~~and~~dan ~~transits~~transit === ▲<!-- In principle, the simultaneous occurrence of a Solar eclipse and a transit of a planet is possible. But these events are extremely rare because of their short durations. The next anticipated simultaneous occurrence of a Solar eclipse and a [[transit of Mercury]] will be on July 5, 6757, and a Solar eclipse and a [[transit of Venus]] is expected on April 5, [[15232]].<ref>{{cite web \|author=J. Meeus and A. Vitagliano \|title=Simultaneous transits \|url=http://www.marco-peuschel.de/simtrans.pdf\|format=PDF}}</ref>

Gerhana matahari: Perbezaan antara semakan