Deo gornje faze Falcon 9 koji kruži oko Zemlje od januara 2025. predviđa se da će udariti u vidljivu stranu Meseca 5. avgusta oko 02:44 po Grayjevoj analizi. Objekat 2025-010D trebao bi pogoditi Mesec brzinom od oko 2,43 km/s (~5.400 mph). Sudar ne predstavlja opasnost, ali ponovo skreće pažnju na problem svemirskog otpada; gornja faza potiče iz lansiranja koje je nosilo lunarni lander Blue Ghost.
Deo Falcon 9 Gornje Faze Na Kursu Sudara Sa Mesecem — Udariće 5. Avgusta, Kaže Astronom
The crew of Artemis II captured a breathtaking image of a celestial event known as an "Earthset," in which the Earth dropped below the lunar horizon. The image is reminiscent of the iconic "Earthrise" photo that NASA astronaut Bill Anders captured in 1968 during the Apollo 8 mission that showed our planet rising on the lunar horizon.
Deo gornje faze rakete SpaceX Falcon 9, koji je u orbiti od januara 2025. godine, prema proračunu nezavisnog astronoma mogao bi udariti u vidljivu (zemljinu) stranu Meseca 5. avgusta.
Šta se dogodilo?
Nezavisni astronom Bill Gray, autor softvera Project Pluto za praćenje objekata u bliskoj Zemljinoj okolini, analizirao je teleskopska zapažanja i orbitalne elemente i zaključio da će objekat označen 2025-010D udariti u Mesec oko 02:44 po UTC-u. Radi se o gornjoj fazi Falcon 9 rakete koja je u januaru 2025. lansirala komercijalni lunarni lander.
Detalji udara
Gray procenjuje da će brzina pri udaru iznositi približno 2,43 km/s (oko 5.400 mph). Pošto Mesec nema atmosferu, gornja faza se neće razgoreti tokom ulaska, već će direktno udariti u površinu.
Odakle potiče ovaj deo rakete?
Gornja faza se veruje da potiče iz iste misije Falcon 9 koja je 15. januara 2025. lansirala Blue Ghost — nenujeđeni lunarni lander kompanije Firefly Aerospace. Blue Ghost je u martu 2025. uspešno stigao na površinu Meseca i obavljao naučne eksperimente.
Da li ovo predstavlja opasnost?
Prema Grayju, sudar ne predstavlja opasnost za Zemlju i neće značajno promeniti ili oštetiti mesečevu površinu. Takođe je naveo da će sam događaj verovatno biti suviše slab da bi ga registrovali amaterski teleskopi sa Zemlje.
"Ovo ne predstavlja nikakvu opasnost za bilo koga, ali ukazuje na nepažnju u načinu odlaganja preostalog svemirskog hardvera (svemirskog otpada)," napisao je Gray.
Širi kontekst
Falcon 9 je najaktivnija raketa na svetu, dizajnirana za višekratnu upotrebu: donja faza se vraća i koristi ponovo, dok gornja faza često ostaje u orbiti. SpaceX razvija i moćniji Starship, čija je uloga u budućim misijama ka Mesecu i Marsu centralna za planove te kompanije i NASA-e.
Zašto je ovo važno?
Iako sam udar neće imati veliki naučni ili bezbednosni uticaj, slučaj podseća na problem zadržavanja i upravljanja svemirskim otpadom. Transparentno praćenje i odgovorno planiranje deorbitacija ili uklanjanja ostataka lansiranja sve su važniji kako broj lansiranja raste.
Autor izvorne priče: Eric Lagatta / USA TODAY. Prva analiza udara i oznaka objekta potiču od Billa Graya i Project Pluto.
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