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{
"Where did the Murchison meteorite make landfall?": [
"OR",
{
"Australia": [
"f98cef20-22d6-4daf-aae8-2ebb38f4a5c9",
"5cc77ad6-8969-49e0-88fe-a6676ea76ba8",
"2260848f-35ee-4e1a-af83-552be3589d77",
"f6586f74-a7d3-4441-ab53-dac9527d0efd",
"19ea586a-b142-44a1-864e-9afd800543a8",
"a76ab512-ff67-4bb8-b808-fd4442949552",
"60b2d51d-42d5-4395-9187-5304d7167a17",
"f6162a96-ba7a-405b-99d8-8b5d824c19fc",
"77551b50-1271-4753-b2ee-198f460f82a2",
"24fc377f-a4f3-4bbc-8c92-4714466397c0",
"520b57ff-20be-4c0b-9646-11dfd847e05a",
"3537d444-0bde-4f4f-beef-1ca7c730b748"
],
"Murchison, Australia": [
"f98cef20-22d6-4daf-aae8-2ebb38f4a5c9",
"f6586f74-a7d3-4441-ab53-dac9527d0efd",
"75f0b9e0-8d79-49c0-9a2d-ea6393353541",
"a76ab512-ff67-4bb8-b808-fd4442949552",
"60b2d51d-42d5-4395-9187-5304d7167a17",
"f6162a96-ba7a-405b-99d8-8b5d824c19fc",
"cc1d103a-3d0a-4256-bbfa-0814159c641f",
"818d2a73-7548-4aa6-8cfd-21cab5b8382d",
"96db9634-a38f-4f97-a192-e552407cf238",
"5f494aa6-b7f6-49fa-b814-28e38c181e52"
],
"Muchison, Victoria state, Australia": [
"e386f1f4-7219-4455-bbcc-e2be5cd2e1f6"
]
}
],
"How heavy was the Murchison meteorite?": [
"OR",
{
"100 kilograms": [
"f98cef20-22d6-4daf-aae8-2ebb38f4a5c9"
]
}
],
"The presolar grains in the Murchison meteorite were mostly composed of what?": [
"OR",
{
"Silicon Carbide": []
}
],
"How old were these grains?": [
"OR",
{
"Between 5 and 7 billion years old": [
"f98cef20-22d6-4daf-aae8-2ebb38f4a5c9",
"5cc77ad6-8969-49e0-88fe-a6676ea76ba8",
"f6586f74-a7d3-4441-ab53-dac9527d0efd",
"75f0b9e0-8d79-49c0-9a2d-ea6393353541",
"60b2d51d-42d5-4395-9187-5304d7167a17",
"2260848f-35ee-4e1a-af83-552be3589d77",
"5f494aa6-b7f6-49fa-b814-28e38c181e52"
],
"Between 4.6 and 7.5 billion years old": [
"cc1d103a-3d0a-4256-bbfa-0814159c641f",
"24fc377f-a4f3-4bbc-8c92-4714466397c0",
"818d2a73-7548-4aa6-8cfd-21cab5b8382d"
],
"7 billion years old": [
"e386f1f4-7219-4455-bbcc-e2be5cd2e1f6",
"818d2a73-7548-4aa6-8cfd-21cab5b8382d",
"3537d444-0bde-4f4f-beef-1ca7c730b748"
],
"7.5 billion years old": [
"cc1d103a-3d0a-4256-bbfa-0814159c641f",
"520b57ff-20be-4c0b-9646-11dfd847e05a"
],
"7.4 billion years old": [
"77551b50-1271-4753-b2ee-198f460f82a2"
],
"Between 4.6 and 7 billion years old": [
"e386f1f4-7219-4455-bbcc-e2be5cd2e1f6"
]
}
],
"How does the age of the grains compare to that of our Solar System?": [
"AND",
{
"They are older than the Sun": [
"f98cef20-22d6-4daf-aae8-2ebb38f4a5c9",
"5cc77ad6-8969-49e0-88fe-a6676ea76ba8",
"60b2d51d-42d5-4395-9187-5304d7167a17",
"f6586f74-a7d3-4441-ab53-dac9527d0efd",
"2260848f-35ee-4e1a-af83-552be3589d77",
"e386f1f4-7219-4455-bbcc-e2be5cd2e1f6"
],
"They are older than the Earth": [
"60b2d51d-42d5-4395-9187-5304d7167a17",
"f98cef20-22d6-4daf-aae8-2ebb38f4a5c9",
"e386f1f4-7219-4455-bbcc-e2be5cd2e1f6"
],
"They are olderyhan the Solar System": [
"77551b50-1271-4753-b2ee-198f460f82a2",
"24fc377f-a4f3-4bbc-8c92-4714466397c0",
"e386f1f4-7219-4455-bbcc-e2be5cd2e1f6",
"818d2a73-7548-4aa6-8cfd-21cab5b8382d",
"3537d444-0bde-4f4f-beef-1ca7c730b748"
]
}
],
"What other materials do we have that are older than the Solar System?": [
"OR",
{
"Nothing older than presolar grains": [
"60b2d51d-42d5-4395-9187-5304d7167a17",
"f98cef20-22d6-4daf-aae8-2ebb38f4a5c9"
],
"Presolar grains": [
"cc1d103a-3d0a-4256-bbfa-0814159c641f",
"e386f1f4-7219-4455-bbcc-e2be5cd2e1f6",
"818d2a73-7548-4aa6-8cfd-21cab5b8382d",
"5f494aa6-b7f6-49fa-b814-28e38c181e52",
"3537d444-0bde-4f4f-beef-1ca7c730b748"
],
"Dust particles": [
"77551b50-1271-4753-b2ee-198f460f82a2"
]
}
],
"What if any organic compounds were found in the Murchison meteorite?": [
"AND",
{
"Amino acids": [
"19ea586a-b142-44a1-864e-9afd800543a8",
"f6162a96-ba7a-405b-99d8-8b5d824c19fc",
"96db9634-a38f-4f97-a192-e552407cf238"
],
"Ribose": [
"46c8ae2a-624a-4b64-9414-48bb7fcfd0ef",
"f6162a96-ba7a-405b-99d8-8b5d824c19fc"
],
"Other sugars": [
"46c8ae2a-624a-4b64-9414-48bb7fcfd0ef",
"f6162a96-ba7a-405b-99d8-8b5d824c19fc"
],
"Nucleobase": [],
"Sugar compounds": [],
"Purines and pyrimidines": [
"96db9634-a38f-4f97-a192-e552407cf238"
]
}
],
"What does the discovery of sugars in the meteorite indicate about the origin of life on Earth?": [
"OR",
{
"Asteroids could have supplied organic molecules": [
"46c8ae2a-624a-4b64-9414-48bb7fcfd0ef"
]
}
],
"What advances could the discovery of water molecules in the Murchison meteorite lead to?": [
"OR",
{
"A process for extracting water on the moon or elsewhere in space": [
"a76ab512-ff67-4bb8-b808-fd4442949552"
]
}
],
"What did the scientists use pieces of the meteorite for?": [
"OR",
{
"To work out algorithms for identifying extraterrestrial life": [
"46c8ae2a-624a-4b64-9414-48bb7fcfd0ef"
],
"To get to know what the universe looked like before Earth was formed": [
"24fc377f-a4f3-4bbc-8c92-4714466397c0"
],
"To know the origin of stars, carbon atoms in the human body, and even the origin of oxygen in the air": [
"5f494aa6-b7f6-49fa-b814-28e38c181e52"
],
"To get a glimpse into how galaxies form": [
"77551b50-1271-4753-b2ee-198f460f82a2"
],
" To determine the age of this stardust": [
"818d2a73-7548-4aa6-8cfd-21cab5b8382d"
],
"To study whether new stars form at a steady rate": [
"cc1d103a-3d0a-4256-bbfa-0814159c641f",
"e386f1f4-7219-4455-bbcc-e2be5cd2e1f6"
],
"To discover if the numbers of new stars vary at different times": [
"cc1d103a-3d0a-4256-bbfa-0814159c641f"
],
"To get clues about the rate of star formation in the Milky Way": [
"e386f1f4-7219-4455-bbcc-e2be5cd2e1f6"
]
}
]
} |