AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
Space programs and missions · A guided course
Algeria’s two-spacecraft imaging program, from orbital geometry to long-term operations
Explore the Alsat-2 partnership, calibration, stereo imaging and the evidence needed to turn a scheduled scene into a useful map.
Suggested preparation is listed in the course · Start whenever you’re ready
ISRO’s PSLV-C15 launch carried Alsat-2A on 12 July 2010. The full frame shows the launcher leaving the pad; the enclosed satellite is not visible. Credit: Department of Space / ISRO.
Department of Space / Indian Space Research Organisation · Image source · ISRO website reproduction permissionYour place in the bigger picture
Build on familiar ideas, then choose a direction to explore next. Every course remains open.
Algeria’s imaging capability, engineering partnership and the evidence behind a map
Alsat-2: sharp images, accurate maps
Algeria’s two-spacecraft imaging program, from orbital geometry to long-term operations
Start whenever you’re ready. Preparation is suggested, and every course stays open.
Algeria’s new imaging pair, accurate locations and decisions that cannot wait
One suggested order from the foundations to Alsat-2: sharp images, accurate maps. Shared starting points appear once; skip anything you already know.
— earned
Earn each reward once. Retries never cost points.
Loading saved points… View your learning awards →
Each lesson builds on the last. Read the story, explore the sources, and check your understanding.
0 of 4 lessons complete
No account is needed to learn. Your correct answers keep their earned rewards.
From the learning community
What worked for you? Help the next learner choose where to begin.
Loading reviews…
Sign in to review this course. Complete a lesson check and save it to your account first.
Languages are chosen by reviewers. Ratings above include all languages.