1級 - リーディング
ボイジャー計画とゴールデンレコード
難しい
1級 - リーディング
ボイジャー計画とゴールデンレコード
難しい
A Message to the Cosmos
In 1977, NASA launched the Voyager 1 and Voyager 2 spacecraft on a grand tour of the outer planets. While their primary mission was to study Jupiter, Saturn, Uranus, and Neptune, they carried a secondary payload of profound philosophical significance: the Golden Record. This 12-inch gold-plated copper disk was intended as a time capsule, a message in a bottle cast into the cosmic ocean, designed to communicate the story of our world to any extraterrestrials who might one day encounter it.
Curated by a committee led by astronomer Carl Sagan, the record contains 115 images, a variety of natural sounds (such as wind, thunder, and animal calls), musical selections from different cultures and eras, and spoken greetings in 55 languages. The selection process was arduous, as the team sought to represent the diversity of life on Earth without political bias. Sagan noted that the spacecraft will be encountered and the record played only if there are advanced space-faring civilizations in interstellar space, making the launch an act of immense hope.
Currently, both Voyager spacecraft have exited the heliosphere and entered interstellar space. They will wander the Milky Way for billions of years, long after our sun has ceased to shine. The Golden Record thus serves as a silent testament to humanity’s existence, preserving a snapshot of our species' creativity and longing for connection against the infinite silence of the universe.
What was the primary scientific objective of the Voyager missions?
What challenge did Carl Sagan's committee face when creating the Golden Record?
What is the ultimate fate of the Voyager spacecrafts described in the text?
A Message to the Cosmos
In 1977, NASA launched the Voyager 1 and Voyager 2 spacecraft on a grand tour of the outer planets. While their primary mission was to study Jupiter, Saturn, Uranus, and Neptune, they carried a secondary payload of profound philosophical significance: the Golden Record. This 12-inch gold-plated copper disk was intended as a time capsule, a message in a bottle cast into the cosmic ocean, designed to communicate the story of our world to any extraterrestrials who might one day encounter it.
Curated by a committee led by astronomer Carl Sagan, the record contains 115 images, a variety of natural sounds (such as wind, thunder, and animal calls), musical selections from different cultures and eras, and spoken greetings in 55 languages. The selection process was arduous, as the team sought to represent the diversity of life on Earth without political bias. Sagan noted that the spacecraft will be encountered and the record played only if there are advanced space-faring civilizations in interstellar space, making the launch an act of immense hope.
Currently, both Voyager spacecraft have exited the heliosphere and entered interstellar space. They will wander the Milky Way for billions of years, long after our sun has ceased to shine. The Golden Record thus serves as a silent testament to humanity’s existence, preserving a snapshot of our species' creativity and longing for connection against the infinite silence of the universe.
What was the primary scientific objective of the Voyager missions?
What challenge did Carl Sagan's committee face when creating the Golden Record?
What is the ultimate fate of the Voyager spacecrafts described in the text?