Some scientists want stricter enforcement of existing space treatises or more regulation of space debris.
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近日，总台接到群众举报，反映陈皮市场存在年份虚标、产地及工艺造假等问题，千元一斤的“年份陈皮”亦可能名不副实。
Tim Fernholz is a journalist who writes about technology, finance and public policy. He has closely covered the rise of the private space industry and is the author of Rocket Billionaires: Elon Musk, Jeff Bezos and the New Space Race. Formerly, he was a senior reporter at Quartz, the global business news site, for more than a decade, and began his career as a political reporter in Washington, D.C.，推荐阅读WPS官方版本下载获取更多信息