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Kosmos 300 (Russian: Космос 300 meaning Cosmos 300) (Ye-8-5 series) was the fourth Soviet attempt at an uncrewed lunar sample return. It was probably similar in design to the later Luna 16 spacecraft. It was launched, on a Proton rocket, on September 23, 1969.[3] The mission was a failure. The engines on the Block D upper stage failed due to an oxidizer leak, leaving the spacecraft to burn up in Earth's atmosphere.[4]
References
- ^ "NASA NSSDC Master Catalog - Cosmos 300". Retrieved 25 May 2024.
- ^ a b "Luna Ye-8-5 - Encyclopedia Astronautica". Retrieved 25 May 2024.
- ^ "Luna - Exploring the Moon". orbitalfocus.uk. Retrieved February 23, 2023.
- ^ Siddiqi, Asif A. (2018). "Kosmos 300 [Luna]" (PDF). Beyond Earth: A Chronicle of Deep Space Exploration, 1958-2016. NASA History Program Office: 92. Retrieved February 23, 2023.
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