Deep Space Science vs Skopos

Open Space brings the wonders of the universe to your fingertips. Powered by real NASA data, this beautifully designed app lets you explore space like never before. DAILY DISCOVERIES • Astronomy Picture of the Day - Stunning space imagery with expert explanations • Browse the complete APOD archive dating back years ASTEROID TRACKER • Monitor Near Earth Objects in real-time • See size comparisons and miss distances • Get details on potentially hazardous asteroids MARS ROVER GALLERY • Browse thousands of real photos from Curiosity & Perseverance • Filter by rover, camera, and Martian sol • Save your favorite images SPACE WEATHER • Track solar flares and geomagnetic storms • Aurora visibility forecasts • Coronal mass ejection alerts ISS TRACKER • Real-time International Space Station location • See exactly where it's orbiting right now PERSONALIZED EXPERIENCE • Dark & light themes • Metric or imperial units • Save favorites for quick access

Know what’s above you. Explore the night sky, follow rocket launches, discover aircraft, and plan your next observing session with Skopos for iPhone and iPad. EXPLORE THE SKY Find stars, planets, the Moon, satellites, and constellations in an interactive sky view. Tap objects for details and facts. Customize scene layers, marker sizes, and night-view appearance. FOLLOW ROCKET LAUNCHES Browse launch schedules, mission details, countdowns, launch sites, and estimated visibility. Switch between lists, maps, and the sky view to explore where launches happen. DISCOVER AIRCRAFT See available aircraft on a map or in the sky view. Open aircraft details for callsigns, altitude, speed, and other information when supplied by the data provider. PLAN YOUR NEXT SESSION Use Tonight to explore ISS passes, planet viewing opportunities, meteor showers, astronomical events, and crew information. Add supported events to your calendar, choose reminder categories, and review weather and viewing conditions. FREE TRIAL, ONE-TIME UNLOCK Activate 30 days of full access through your Apple Account. The trial does not renew or charge automatically. After the trial, choose a one-time lifetime unlock for US $9.99 or the price shown in your local storefront. There is no subscription. Restore Purchases and eligible offer-code redemption are available in Settings. No separate Skopos account is required. Settings, privacy information, and support remain available when a trial expires. Fresh aircraft, weather, launch, map, and other provider information requires an internet connection. Coverage, schedules, and estimates can change. Skopos is for exploration and planning, not navigation or operational aviation use. User guide: https://nsflabs.org/skopos/user-guide Privacy policy: https://nsflabs.org/skopos/privacy-policy Support: info@nsflabs.org