Newspaper article St Louis Post-Dispatch (MO)

Mars, Earth, Sun Line Up Perfectly in Sky This Weekend

Newspaper article St Louis Post-Dispatch (MO)

Mars, Earth, Sun Line Up Perfectly in Sky This Weekend

Article excerpt

CAPE CANAVERAL, Fla. * Last week, Mercury stole the show. Now it's Mars' turn.

On Sunday morning, Mars, Earth and the sun will line up perfectly in the sky. This once-every-two-years event is called Mars opposition. That's because Mars and the sun will be on opposite sides of Earth.

Right now, Mars is about 48 million miles from us, coming closer until May 30, when the red planet passes within 46.8 million miles. That will be Mars' closest approach in 10 years. In 2018, Mars will get a lot chummier, passing within a mere 36 million miles.

The modern-day record of 34.6 million miles between Earth and Mars was set in 2003. That won't be surpassed until the year 2287, according to NASA.

At the other end of the scale, Earth and Mars can be as much as 249 million miles apart when they wind up on opposite sides of the sun every couple of years. …

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