1.   But the review team now tends to think that the spacecraft is now orbiting the sun, a Jet Propulsion Laboratory spokesman said.

2.   No spacecraft has ever orbited an object so small.

3.   This would be the first time a spacecraft has orbited one of the giant outer planets and probed its exotic atmosphere.

4.   The spacecraft will orbit Earth until December before catapulting toward Mars, where it will start a two-year observation of the planet.