https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:solar-system/x19bc096754f0b9af:artificial-satellites/a/satellites-101-article 2021-04-29T07:59:33Z Satellites 101 article https://www.khanacademy.org/science/ncert-class-8-science/x55541eeaec8b3a9a:stars-and-galaxies/x55541eeaec8b3a9a:solar-and-lunar-calendars/e/festivals-to-satellites-linking-skies-to-daily-life 2026-04-08T01:15:04.085520103Z Festivals to Satellites – Linking Skies to Daily Life Engaging Class 8 Science exercise on festivals linked to astronomy and the importance of artificial satellites, with interactive MCQs and reasoning-based questions. Yajurva Joshi exercise https://www.khanacademy.org/science/ncert-class-8-science/x55541eeaec8b3a9a:stars-and-galaxies/x55541eeaec8b3a9a:solar-and-lunar-calendars/e/solar-and-lunar-calendars 2026-04-08T00:16:02.937952483Z Solar and Lunar calendars Explore Class 8 Science exercise on Solar & Lunar Calendars — differences, leap years, Indian calendars, and festival dates. Practice with 8 engaging questions. Yajurva Joshi exercise