Space Calendar https://validator.w3.org/feed/docs/rss2.html Mars Perseverance Rover Reaches 5 Years on Mars April 13-19, 2026 | Vol 45, Week 15 | Hawai`i Island, USA Tianwen-1 Orbiter Begins Reaches 5 Years in Mars Orbit Planetary Society’s Day of Action Launch Falcon 9 / Starlink Group 17-22 Launch Long March 2D / Unknown Payload Transiting Exoplanet Survey Satellite (TESS) Reaches 9 Years in Space Launch New Glenn / BlueBird Block 2 #2 Launch Falcon 9 / Starlink Group 17-27 Launch Falcon 9 / Starlink Group 10-24 NET Dec — Launch Atlas V / Starliner-1 Chang’E-4 Queqiao Relay Satellite Reaches 9 Years in Space Launch Kinetica 1 / Unknown Payload 26th Integrated Communication, Navigation and Surveillance (ICNS) Conference NET May 1 – Launch Starship 12 – V3/ Ship 39 NewSpace Africa Conference – Inclusive Growth: Expanding Space Benefits to all Africans Integrated Communications, Navigations and Surveillance (ICNS) Chang’E-4 Queqiao Relay Satellite Reaches 8 Years in Space Spacecraft Design, Development, and Operations – Online Short Course Oklahoma Space Alliance Meeting Oklahoma Space Alliance Norman OK, USA Space Weather and Space Systems – Online Short Course Launch Vehicle Avionics Systems Design and Applications – Online Short Course April 6-12, 2026 / Vol 45, Week 14 / Hawai`i Island, USA <br><i> Lunar Broadcast Precursor: Terrestrial Edition</i> Pacific Ocean Mars Atmosphere and Volatile EvolutioN (MAVEN) Reaches 12 Years in Mars Orbit Chandra X-ray Observatory Reaches 28 Years in Space Transiting Exoplanet Survey Satellite (TESS) Reaches 8 Years in Space Chandra X-ray Observatory Reaches 27 Years in Space Lunar Reconnaissance Orbiter (LRO) Reaches 17 Years in Moon Orbit Lunar Reconnaissance Orbiter (LRO) Reaches 18 Years in Moon Orbit Lunar Reconnaissance Orbiter (LRO) Reaches 19 Years in Moon Orbit Tianwen-1 Orbiter Reaches 6 Years in Mars Orbit Tianwen-1 Orbiter Reaches 7 Years in Mars Orbit Hope Orbiter Reaches 5 Years in Mars Orbit Hope Orbiter Reaches 6 Years in Mars Orbit Artemis II Splashdown in the Pacific Ocean Near San Diego CA, USA Mars Perseverance Rover Reaches 5 Years on Mars Cislunar Exploration: Challenges and Opportunities – Online Short Course Launch Falcon 9 / Starlink Group 10-24 Launch Falcon 9 / Starlink Group 17-21 Launch Long March 6A / Unknown Payload Launch Long March 8 / Unknown Payload Launch Minotaur IV / STP-S29A SLC-8 (~35°N), Vandenberg SFB CA, USA Results from Early CLPS Deliveries and Upcoming CLPS Exploration Activities Silicon Valley Astronomy Lecture: The NASA Psyche Mission: First Journey to an Unknown World AIAA-SF Young Professionals Happy Hour