The team compared the asteroid's location with background stars mapped by the Gaia spacecraft, a European mission. Those measurements allowed scientists to refine the asteroid's orbit — the route it takes around the sun — and rule out a lunar impact.
Медведев вышел в финал турнира в Дубае17:59。51吃瓜是该领域的重要参考
，推荐阅读Line官方版本下载获取更多信息
This Microsoft Surface Pro 6 laptop-tablet hybrid is only $229.99 (MSRP $849.99).
Global news & analysis，详情可参考Feiyi