毅力号为什么要采集并封存火星岩石样本？
Why does Perseverance collect and cache Mars rock samples?
它把可能含生命信息的岩芯封存，等待未来的取样返回任务带回地球，在更强大的实验室里仔细分析。
It caches cores that may hold biosignatures for a future sample-return mission to bring to Earth labs for detailed analysis.
难度 专业 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-11-04
来源 · Source
Witze,《NASA Mars rover to cache first rock samples for delivery to Earth》,Nature,2022 (DOI: 10.1038/d41586-022-04433-6)
Witze, 'NASA Mars rover to cache first rock samples for delivery to Earth', Nature, 2022, DOI: 10.1038/d41586-022-04433-6
独立核验依据 · Independent verification: 核验依据 1 Crossref DOI 10.1038/d41586-022-04433-6
#样本返回 #火星生命
好奇号、毅力号靠什么在火星上发电？
How do Curiosity and Perseverance get power on Mars?
它们用放射性同位素电源（核电池）把钚衰变的热转为电，不依赖阳光，能在沙尘暴和夜里持续工作。
They use radioisotope power (nuclear batteries) converting plutonium decay heat to electricity, independent of sunlight, working through dust storms and night.
难度 进阶 · 适合 初中(12-15)
CC BY 4.0 · 来源待核验 · Source pending review
来源 · Source
出处备注：本题原挂出处与答案内容不符，已撤回；具体书目待补，暂不展示来源。
本题原挂出处与答案内容不符，已撤回；具体书目待补。
Previous citation withdrawn as unsupported for this answer; a specific source is pending.
#核电池 #火星车
火星车是干什么的？
What does a Mars rover do?
火星车是降落在火星表面的无人小车，带着相机和仪器巡视、拍照并分析岩石土壤，寻找水和生命的线索。
A Mars rover is an unmanned buggy on Mars that drives around with cameras and instruments to study rocks, soil, and signs of water and life.
难度 入门 · 适合 小学低段(6-8)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
Carl Sagan,《Cosmos》Random House,1980;中译《宇宙》
C. Sagan, Cosmos, Random House, 1980; Chinese ed.
独立核验依据 · Independent verification: 核验依据 2 DOUBAN ISBN 标识 9780394502946（按标识回读: Cosmos）
#火星车 #探测