In a groundbreaking endeavor, Japanese researchers have created LignoSat, a miniature wooden satellite aimed at reducing space debris upon re-entry into Earth’s atmosphere.
Background:
- Collaboration: Kyoto University and Sumitomo Forestry partnered in the development of LignoSat since April 2020.
- Material Selection: Magnolia wood, chosen for its strength and suitability after space exposure tests, was sourced from Sumitomo Forestry’s company forest.
- Motivation: Traditional metal satellites contribute to harmful debris upon atmospheric re-entry, prompting the exploration of wooden satellites as a more sustainable alternative.
Development:
- Specifications: LignoSat measures a mere 10 centimeters on each side.
- Launch Details: Scheduled to launch aboard a SpaceX rocket from the Kennedy Space Centre in September.
- Testing Phase: Following deployment to the International Space Station (ISS), LignoSat will undergo rigorous tests to evaluate its durability and resistance to extreme temperature variations.
Significance:
- Environmental Impact: Wooden satellites could potentially mitigate the threat of space debris, offering a more eco-friendly solution.
- Future Prospects: Success with LignoSat may usher in a new era of environmentally conscious satellite construction.
Additional Information:
- Data Collection: Researchers will receive data from LignoSat to monitor its performance and structural integrity during testing.
- Earlier Reports: Previous reports in February 2024 highlighted LignoSat’s potential in combating space pollution and underscored the use of magnolia wood for its burn-up properties.
Multiple Choice Questions (MCQs):
- What is the name of the wooden satellite developed by Japanese researchers?
- A) TerraSat
- B) LignoSat
- C) EcoSat
- D) WoodSat
- Answer: B) LignoSat
- Which two entities collaborated in the development of LignoSat?
- A) NASA and Boeing
- B) JAXA and Mitsubishi
- C) Kyoto University and Sumitomo Forestry
- D) ESA and Airbus
- Answer: C) Kyoto University and Sumitomo Forestry
- What material was chosen for the construction of LignoSat?
- A) Aluminum
- B) Steel
- C) Magnolia wood
- D) Plastic
- Answer: C) Magnolia wood
- When is LignoSat scheduled to be launched into space?
- A) April
- B) July
- C) September
- D) November
- Answer: C) September
- Where will LignoSat be deployed for testing after its launch?
- A) Hubble Space Telescope
- B) Lunar Gateway
- C) International Space Station (ISS)
- D) Mars Rover
- Answer: C) International Space Station (ISS)