行星防御旨在减轻小行星撞击地球带来的威胁，是全球科学界共同关注的重大课题。在众多行星防御技术中，动能偏转技术备受瞩目，它通过航天器与危险小行星碰撞，改变其轨道，从而降低撞击地球的风险。当小行星半径小于约 250 米，且距离与地球相遇还有几十年时，动能偏转是一种切实可行的方法。而半径小于 50 米的近地小行星（Near-Earth ...

马里兰州劳雷尔市——这是好莱坞大片的常见情节了：一颗失控小行星冲向地球，可能造成海啸、大规模毁坏和全人类灭绝。 人类只有一次自救机会——勇敢、甘愿自我牺牲的英雄驾驶着宇宙飞船飞向太空，将小行星摧毁。

DARTS scoring can appear very intimidating to uninitiated viewers. Premier League Darts is getting bigger and bigger by the year, but plenty of news fans have been wondering how players win ...

The 2025 Premier League Darts begins this evening, and Luke Littler starts his title defence with a blockbuster. 'The Nuke' won the 2024 competition in his debut year, beating 'Cool Hand' Luke ...

The asteroid warning network is affiliated with the United Nations. Officials activate the IAWN when an asteroid bigger than ...

PREMIER LEAGUE DARTS will take over your screens for the next 17 Thursday's as eight of the sports biggest names face off. Defending champion Luke Littler takes on his World Championship final ...

Ahead of darts' biggest roadshow getting under way for 2025, the Sky Sports Darts pundits give their Premier League predictions for who will come out on top, shock the rest and make the biggest ...

Warrington Wolves are changing the name of their stadium to honour world darts champion and local hero Luke Littler - for one night only. For the Super League game against Catalans Dragons on ...

Arkansas edge rusher Landon Jackson stripped Ole Miss quarterback Jaxson Dart and forced a fumble. Jackson had been in the backfield once already this afternoon. He got on the hip of Alabama A&M ...

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ALL eyes will be on world champion Luke ‘The Nuke’ Littler as he bids for glory in the first major darts event of the new season on Sunday. The Warrington 18-year-old has been in sparkling ...

October 13, 1984 – it’s a day etched in John Lowe's memory. It was when ‘Old Stoneface’ hit the first televised nine-dart finish in history and earned a colossal £102,000 as a result.