神舟八号 vs Star Explorer

神舟八号无人飞船,是中国“神舟”系列飞船的第八艘飞船,于2011年11月1日5时58分10秒由改进型“长征二号”F遥八火箭顺利发射升空。升空后2天,“神八”与此前发射的“天宫一号”目标飞行器进行了空间交会对接。组合体运行12天后,神舟八号飞船脱离天宫一号并再次与之进行交会对接试验,这标志着我国已经成功突破了空间交会对接及组合体运行等一系列关键技术。2011年11月16日18时30分,神舟八号飞船与天宫一号目标飞行器成功分离,返回舱于11月17日19时许返回地面。

Point your iPhone at the night sky and instantly see what you're looking at. Star Explorer names stars, planets, constellations and the Moon in AR, and tells you what's worth seeing tonight from where you are. No sign-up needed to start. The star catalog, sky map and astronomy assistant work offline, so they keep working at dark-sky sites with no signal. WHAT YOU CAN DO - AR star finder: hold up your phone to identify stars, planets and constellations, with comet and meteor-shower layers - Night sky map: a live all-sky chart you can move forward or back in time; search 8,900+ stars, all 88 constellations and all 110 Messier objects - Tonight's sky: Moon phase, visible planets and observing conditions for your location and weather - Sky events: meteor showers, planet oppositions and every solar and lunar eclipse from 2027 to 2030, with reminders - Offline astronomy assistant: ask questions and get an observing plan without a connection - Red-light night mode that protects your night vision - Tonight's Sky widget for your Home Screen - Bite-size astronomy lessons with quizzes, and a stargazing trip planner - Made for iPhone and iPad, including the iPhone Duo inner display Free forever: AR star finder, sky map, sky events, offline assistant, lessons, night mode and widget. Optional purchases: - Pro, all features, lifetime: one-time purchase that unlocks the deep-sky catalog, astrophotography assistant, cloud AI and photo identification - Observing Tools, lifetime: one-time purchase that unlocks the deep-sky catalog and astrophotography assistant - Cloud AI monthly / yearly subscription: unlocks cloud AI answers and photo identification Auto-renewing subscriptions: the subscription period is 1 month or 1 year, and payment is charged to your Apple ID account when you confirm the purchase. The subscription renews automatically at the same price unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel any time in Settings > Apple ID > Subscriptions. The price shown on the App Store purchase confirmation is final. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://star.xinghebit.com/privacy/ Sky data, weather, travel routes and AI answers may contain errors and are not navigation, weather or safety guarantees. Check official sources before observing outdoors. Never look at the Sun through a camera, binoculars or telescope without a certified solar filter.