Houston, on a un problème, HUBBLE ne répond plus ! - Le Journal de l'Espace #90 - Actualité spatiale

Item: Houston, on a un problème, HUBBLE ne répond plus ! - Le Journal de l'Espace #90 - Actualité spatiale
Rating: 4
Author: PostSingularity Institute

by Le Journal de l'Espace

Applied Sciences & Engineering Engineering & Technology TTOther technologies and applied sciences TTDSpace science

🎙 Le Journal de l'Espace 👥 396K 📅 June 25, 2021 ⏱ 14 min 👁 97K 📄 news review 🧭 2026-08-26

Available in: English (current) Français

Keywords

HubbleFalcon 9EVAseasonsMars

Summary

This episode of ‘Le Journal de l’Espace’ covers several space news items from late June 2021. The main story is the Hubble Space Telescope’s computer malfunction, which put its scientific instruments in safe mode. The host explains the issue and NASA’s recovery efforts. Next, SpaceX’s successful landing of a reused Falcon 9 booster for a US Space Force GPS satellite launch is highlighted, marking a milestone for military use of reused rockets. The video then discusses Thomas Pesquet’s second spacewalk to install new solar arrays on the ISS, noting the complexity and the need for a third EVA. A significant segment explains the real cause of Earth’s seasons: the 23.5-degree axial tilt, debunking the common misconception about distance from the Sun. Updates on Mars missions include Ingenuity’s extended flights and the upcoming solar conjunction. Finally, the host promotes a space-themed hackathon in Lille, emphasizing the growing space economy and career opportunities.

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Critical Evaluation

Value of the Information & Strength of the Argument

The video provides valuable, up-to-date information on recent space events, with clear explanations and good use of visuals. The argumentation is generally solid, especially in the seasons segment where the host systematically debunks the distance misconception and provides a correct scientific explanation. The discussion of SpaceX’s reused booster is well-contextualized, highlighting its significance for military launches. The promotion of the hackathon is informative, but the sponsor segment on VPN is clearly promotional and less scientifically valuable.

Scientific Rigor, Source Quality, Title Accuracy

The video cites official sources such as NASA and ESA, and the information aligns with known facts about Hubble, SpaceX, and ISS operations. The title accurately reflects the content, focusing on Hubble’s issue. The video includes a clear sponsor segment for a VPN, which is disclosed. The scientific explanation of seasons is accurate and well-presented. The video does not provide in-depth citations for all claims, but the information is consistent with public knowledge.

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Title / Content Match

The title accurately reflects the main topic (Hubble's malfunction) and the format (weekly space news).

Quality & Reliability

7/10

The video provides a well-structured summary of recent space events, citing official sources like NASA and ESA. The scientific explanation of seasons is accurate and clearly presented. However, the video includes promotional content for a VPN sponsor, and some technical details are simplified for a general audience.

Chapters

Cited Sources

Surfshark VPN (sponsor) — Sponsor segment at the beginning and end of the video.
Hackathon Deeptech Spatial - Summer Space Festival — Promotion of the hackathon event.
Summer Space Festival — Promotion of the festival.
Interview de Jean-Jacques Dordain — Referenced for the space economy statistics.
Le Journal de l'Espace - Blog — Channel's blog for additional content.
Forum de la conquête spatiale — Community forum mentioned as a resource.

Concurring Sources

NASA Hubble Mission Updates — Official NASA updates on Hubble's status, consistent with the video's report.
SpaceX Falcon 9 Reusability — SpaceX official information on Falcon 9 reusability, supporting the video's claims.

External References

Contribution & Novelties

The video provides a concise and accessible summary of recent space events, with a particularly clear and accurate explanation of the cause of Earth’s seasons, which is a common misconception. It also highlights the significance of SpaceX’s reused booster for military launches and the ongoing ISS solar array upgrades. The promotion of the hackathon adds a practical dimension for aspiring space entrepreneurs.

Pour aller plus loin :

Hubble Space Telescope - NASA — Official NASA page for Hubble, providing detailed mission status and history.
Earth’s Seasons - NASA — NASA’s educational page explaining the cause of seasons.
Ingenuity Mars Helicopter - NASA — Official page for the Ingenuity helicopter mission.
SpaceX Falcon 9 - SpaceX — Official page for the Falcon 9 rocket, including reusability details.
International Space Station - NASA — Official ISS page with information on solar arrays and missions.

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Radar Profile

The radar profile shows a balanced video with high scores in information quantity and quality, but slightly lower in technical depth and reliability due to the sponsor content and simplified explanations. The overall profile suggests a good, accessible science communication piece.

Reliability 7/10

💬 Très positif. Sur les 30 commentaires analysés, les spectateurs expriment une grande appréciation pour la qualité des explications, notamment sur les saisons, et félicitent le créateur pour son travail. Certains commentaires apportent des précisions techniques sur le vocabulaire (crypter vs chiffrer) et partagent des anecdotes personnelles.