🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTürkçeРусскийالعربيةفارسی中文日本語EntityQ855377· pop 31· linked from 90 articleslaunch windowtime period during which a rocket must launch to reach its targetAvailable in 30 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBahasa IndonesiaBanglaConnectionsorbital periodEntitygravity assistEntityCategoriesSpaceflight concepts