Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
quran:77:9

And when the heaven is opened  

and when the heaven is rent asunder,
القرآن:٧٧:٩

وَإِذَا السَّمَاءُ فُرِجَتْ  

{وإذا السماء فرجت} شقت.