让太空更安全  

Clean up the space

作　　者：蔡淑红[1] 

机构地区：[1]河北能源职业技术学院

出　　处：《农村青少年科学探究》2024年第4期48-48,共1页

摘　　要：你能猜出现在有多少人造物体环绕地球飞行吗?答案会惊掉你的下巴。一个研究团队称,数量超过了100万亿。科学家报告称,地球轨道内的现役卫星有9000颗,到2030年有望达到6万多颗。除了这些,100万亿人造物体还包括旧的火箭助推器、散落的螺栓、金属碎片以及剥落的油漆。Can you guess how many human-made objects are circling the planet now?The answer would drop your jaws.According to an international team of researchers,there are over 100 trillion of them.There are 9,000 active satellites in orbit,the scientists report.That could grow to more than 60,000 by 2030.The rest of that 100 trillion includes everything from used-up booster rockets and stray bolts to metal flecks and paint chips.

关 键 词：人造物体 火箭助推器 地球轨道 研究团队 

分 类 号：G63[文化科学—教育学]