https://spaceappschallenge.org 2026-02-05T18:50:43.028Z yearly 1 https://spaceappschallenge.org/about 2026-02-05T18:50:43.028Z monthly 0.8 https://spaceappschallenge.org/resources 2026-02-05T18:50:43.028Z monthly 0.5 https://spaceappschallenge.org/2023 2026-02-05T18:50:43.028Z yearly 0.5