Pourquoi le SLS est déjà OBSOLÈTE ? - On Se l'Demande #26 - Le JDE

Pourquoi le SLS est déjà OBSOLÈTE ? - On Se l'Demande #26 - Le JDE

by Le Journal de l'Espace

Applied Sciences & Engineering Engineering & Technology TTDSpace scienceTTDSAstronautics
🎙 Le Journal de l'Espace 👥 396K 📅 October 10, 2022 ⏱ 13 min 👁 80K 📄 science communication 🧭 2026-08-26
Available in: English (current) Français

Keywords

SLSArtemisNASAStarshipspace policy

Summary

The video examines the Space Launch System (SLS) and argues that it may be obsolete before its first flight. It traces the history from the Space Shuttle program’s end, through the Constellation program and its cancellation, to the creation of Artemis and the SLS. The SLS is presented as a patchwork of reused components: RS-25 engines from shuttles, solid rocket boosters derived from shuttle boosters, and an upper stage from Delta IV. The video highlights the program’s delays and cost overruns, noting that over $23 billion has been spent and each launch costs at least $2 billion. It compares SLS capabilities to Saturn V and Starship, explaining that Starship is a different category—a fully reusable vehicle requiring orbital refueling, not a traditional launcher. The conclusion is that while SLS may seem outdated, it serves political and industrial purposes, and both vehicles will be used for Artemis missions.

147 words

Critical Evaluation

Value of the Information & Strength of the Argument

The video provides valuable information by detailing the technical components of the SLS and their origins, which is not commonly known. It also offers a balanced argument: while it criticizes the SLS for being costly and delayed, it also explains the political and industrial reasons for its existence. The comparison with Starship is well-argued, clarifying that they are not direct competitors but serve different roles. The argumentation is solid, supported by specific figures and historical context.

Scientific Rigor, Source Quality, Title Accuracy

The video demonstrates scientific rigor by citing specific data (e.g., payload capacities, costs, flight histories) and referencing credible sources such as NASA, ESA, and CNES. It also acknowledges the political context, which is crucial for understanding the SLS’s development. The title accurately reflects the content, which critically evaluates the SLS’s relevance. The video is well-researched and presents a nuanced view, avoiding oversimplification.

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Title / Content Match

The title accurately reflects the content, which critically examines the SLS's relevance and potential obsolescence.

Quality & Reliability

8/10

The video provides a well-structured historical and technical overview of the SLS program, with specific data (dates, masses, costs) and clear explanations. It relies on credible sources (NASA, ESA, etc.) and acknowledges the political context. Minor inaccuracies (e.g., the 2004/2024 slip) are corrected in comments.

Chapters

Cited Sources

Concurring Sources

  • NASA - Space Launch System — Official NASA information on the SLS, confirming its capabilities and program status.
  • SpaceX - Starship — Official SpaceX information on Starship, supporting the video's description of its design and role.

Dissenting Sources

External References

Contribution & Novelties

The video offers an original perspective by dissecting the SLS’s components and tracing their heritage, which is rarely done in such detail. It also provides a clear explanation of why the SLS and Starship are not directly comparable, which is a valuable clarification for the public.

Pour aller plus loin :

124 words

Radar Profile

The radar profile shows high scores in information quantity and quality, with a slightly lower technical level, indicating that the video is accessible yet detailed. The reliability score is also high, reflecting the use of credible sources and accurate data.

Reliability 8/10

💬 Très positif. Sur les 30 commentaires analysés, les spectateurs expriment une grande satisfaction, saluant la qualité, la précision et le caractère passionnant de la vidéo, avec des remerciements récurrents à l'équipe.