Space Exploration Quiz: 15 Questions About Space
From the first steps into space to missions to Mars, space exploration has fascinated humanity. Do you know the major milestones and the missions that have marked the history of the conquest of space?
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Frequently asked questions: Space Exploration
A preview of what awaits you in this space exploration quiz: 15 multiple choice questions, each with a detailed explanation so you learn as you play. Here are a few sample questions (and their answers, no peeking before you play!).
In which year did humans first walk on the Moon?
Answer: 1969. On 20 July 1969, Neil Armstrong and Buzz Aldrin set foot on the Moon during the Apollo 11 mission. Armstrong became the first human being to walk on the lunar surface.
Which private company managed to land and reuse the first stage of an orbital rocket?
Answer: SpaceX. SpaceX, founded by Elon Musk, achieved the first landing of an orbital rocket's first stage (Falcon 9) in December 2015. This innovation revolutionised the space industry by greatly reducing the cost of launches.
Which country launched the first artificial satellite, Sputnik 1, in 1957?
Answer: The Soviet Union. The Soviet Union launched Sputnik 1 on 4 October 1957, marking the start of the space age. This small satellite, 58 cm in diameter, orbited the Earth for three months and set off the space race with the United States.
What is the name of the space telescope launched in 2021 to succeed Hubble?
Answer: The James Webb telescope. The James Webb Space Telescope (JWST) was launched on 25 December 2021. With its 6.5-meter primary mirror, it observes the universe in infrared and can detect the first galaxies formed after the Big Bang, far beyond Hubble's capabilities.
What is the main health problem for astronauts on long stays in space?
Answer: Loss of bone and muscle mass due to weightlessness. In microgravity, astronauts lose about 1 to 2% of their bone mass per month and suffer significant muscle wasting. This is why they must do at least 2 hours of physical exercise a day aboard the ISS to limit these effects.
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