The reaction to this radiation is greater on the afternoon side than on the morning side and there is thus a small force pushing on the afternoon side that gradually distorts the asteroid's orbit.

下午的热辐射反作用力就大于上午，因此，始终有那么点力作用于下午一侧，逐渐地就使小行星偏离轨道。

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North Korea successfully launched a rocket into earth orbit on Wednesday morning after more than a decade of attempts, raising fears that the country is now or will soon be capable of firing missiles that can reach the United States.

FORBES: North Korea Rockets To Orbit, Renews Concerns Of Global Threat

This morning Cape Canaveral launch ops sent into orbit the Falcon 9, a two-stage vehicle designed by the Elon Musk-backed firm SpaceX.

FORBES: SpaceX Gets Kudos For Its Rocket Launch, You Get A Gallery Of Great NASA Publicity Photos

Using the most recent determination of UARS' orbit - taken in the early hours of this morning - Dr Eves and a colleague have come up with their own projections of the satellite's final descent.

BBC: Nasa refines satellite crash time