February 25 - The spacecraft approaches Mars up to 250 km.

Just a few years later Mars Observer failed as it approached Mars.

Eight months later, as the crew approaches Mars, the general becomes increasingly disturbed, ultimately attempting to crash-land the ship.

It can approach Mars closely, coming to 15 Gm (15,000 km) in 2103.

It spread among the crew, and by the timeAgamemnon was approaching Mars, everybody had it.

One night, he sees a rocket approaching Mars and sets fire to the old town to attract the attention of those on board.

They were approaching Mars so quickly it seemed they could see it expanding on the screens.

It would be 17 years before an American spacecraft approached Mars.

Today an armada of human-built machines approaches Mars.

It could require as much as four days during the mission to conduct a separation of each lander from the spacecraft fast approaching Mars.