Aftershock II Rocket and Earth Seasons Quiz
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Questions and Answers

What was the approximate increase in altitude achieved by Aftershock II compared to the previous amateur record?

  • 27.4 km (correct)
  • 90,000 feet
  • 115.8 km
  • 143.3 km

    • Approximately how long after launch did Aftershock II break the sound barrier?

  • 2 seconds (correct)
  • 19 seconds
  • 92 seconds
  • 85 seconds

    • What was the approximate maximum speed achieved by the Aftershock II rocket in km/h?

  • 5800 mph
  • 5800 km/h (correct)
  • 3600 km/h
  • 5.5 times the speed of sound

    • Which event happened first for the Aftershock II after launch?

    <p>Breaking the sound barrier</p> Signup and view all the answers

    What is the height of the Aftershock II rocket?

    <p>14 feet</p> Signup and view all the answers

    What is the primary cause of the Earth's seasons?

    <p>The tilt of the Earth's axis at a 23.5-degree angle combined with its orbit around the Sun.</p> Signup and view all the answers

    During the December solstice, how does the Northern Hemisphere's tilt relative to the Sun affect the amount of daylight it receives?

    <p>The Northern Hemisphere tilts furthest away from the Sun, minimizing its daylight hours.</p> Signup and view all the answers

    What is the primary environmental concern with current metal satellites during atmospheric re-entry?

    <p>They produce aluminum oxide particles that can harm the ozone layer.</p> Signup and view all the answers

    If the Earth's axis were not tilted, what would be the most likely outcome for the seasons?

    <p>There would be no seasons, and each location on Earth would have roughly the same amount of daylight year-round.</p> Signup and view all the answers

    What is one potential benefit associated with using wooden satellites?

    <p>They decompose into benign substances like water and carbon dioxide during re-entry.</p> Signup and view all the answers

    On December 21 in the Southern Hemisphere, what astronomical event occurs?

    <p>The longest day and the shortest night of the year.</p> Signup and view all the answers

    What specific goal would a successful LignoSat mission help to achieve?

    <p>To investigate the possibility of sustainable long-term human habitation in space.</p> Signup and view all the answers

    What is the significance of the date December 21st in the Northern Hemisphere?

    <p>It marks the astronomical start of winter with the shortest day and the longest night.</p> Signup and view all the answers

    What is the primary purpose of the LignoSat satellite's designated six-month orbital period?

    <p>To assess the overall resilience of wood to prolonged space conditions.</p> Signup and view all the answers

    What outcome does the text suggest concerning the use of wood in space?

    <p>The use of wood could facilitate construction of space structures from resources available in space.</p> Signup and view all the answers

    What is the purpose of the solstice ceremonies at Stonehenge?

    <p>To mark the Sun's rebirth and the upcoming longer days</p> Signup and view all the answers

    How is Newgrange uniquely designed for the winter solstice?

    <p>To capture sunlight in the central chamber at sunrise</p> Signup and view all the answers

    What challenge do visitors face when trying to enter the central chamber of Newgrange during the winter solstice?

    <p>Strict lottery selection for admission</p> Signup and view all the answers

    Based on the provided information, what is the primary focus of RPL's future rocketry endeavors?

    <p>Designing rockets for scientific research purposes.</p> Signup and view all the answers

    Which of the following activities is NOT part of the winter solstice celebrations in Anchorage, Alaska?

    <p>Building ice sculptures</p> Signup and view all the answers

    Which statement best reflects the significance of RPL's achievement with Aftershock II?

    <p>It demonstrated the potential for student-led projects to contribute to the advancement of rocket science.</p> Signup and view all the answers

    Which characteristic best describes the nature of winter solstice celebrations across various US cities?

    <p>Incorporating fire-based rituals like bonfires</p> Signup and view all the answers

    What is the primary difference between sounding rockets and the type of rockets RPL launched previously?

    <p>Sounding rockets are designed to carry scientific instruments for research purposes.</p> Signup and view all the answers

    What can be inferred about the regulation of amateur rocketry based on the information provided?

    <p>Amateur rocketry is completely unregulated, but subject to certain altitude limitations.</p> Signup and view all the answers

    Which of the following is NOT a benefit of the titanium-coated fins and heat-resistant paint utilized on Aftershock II?

    <p>Enhanced fuel efficiency and reduced weight during launch.</p> Signup and view all the answers

    What is the primary objective of the LignoSat satellite?

    <p>To test if wood can survive space conditions</p> Signup and view all the answers

    Which institutions collaborated on the LignoSat Space Wood Project?

    <p>Kyoto University and Sumitomo Forestry</p> Signup and view all the answers

    What unique feature does LignoSat have compared to traditional satellites?

    <p>It is constructed primarily from wood</p> Signup and view all the answers

    What wood type was ultimately chosen for the construction of LignoSat?

    <p>Magnolia</p> Signup and view all the answers

    What misconception did many engineers have regarding the use of wood in spacecraft technology?

    <p>Wood is outdated and not applicable to modern technology</p> Signup and view all the answers

    Study Notes

    Student-Built Rocket Breaks Record

    • A rocket built by students at the University of Southern California (USC) Rocket Propulsion Lab (RPL) shattered a 20-year record.
    • Aftershock II, launched from Nevada's Black Rock Desert on October 20, 2024, reached an altitude of 470,000 feet (143.3 km).
    • This was 90,000 feet (27.4 km) higher than the previous amateur rocket altitude record of 380,000 feet (115.8 km), set by the Civilian Space Exploration Team's GoFast rocket in 2004.
    • The 14-foot (4 m) tall Aftershock II broke the sound barrier within two seconds of launch.
    • It reached a maximum speed of 3,600 mph (5,800 km/h) — 5.5 times the speed of sound — just 19 seconds after launch.
    • This slightly exceeded the speed record set by GoFast in 2004.
    • While its engine burned out shortly after launch, Aftershock II continued its ascent.
    • It left Earth's atmosphere in about 85 seconds after launch and reached its peak altitude in 92 seconds.
    • At this point, the rocket's nose cone detached and deployed its parachute for a safe landing in the desert.
    • The rocket's nose cone was retrieved by eagerly waiting student scientists.

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    Description

    Test your knowledge on the Aftershock II rocket's achievements and its significance in space exploration. Additionally, explore the Earth's seasons, their causes, and the impact of astronomical events. This quiz covers both rocketry advancements and environmental implications.

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