Article from the website news.msn.com.
This weekend, NASA's Maven spacecraft will reach the red planet following a 10-month journey spanning 442 million miles. If all goes well, the robotic explorer will hit the brakes and slip into Martian orbit Sunday night.
"I'm all on pins and needles. This is a critical event," NASA's director of planetary science, Jim Green, said Wednesday.
Maven is not designed to land; rather, it will study Mars' upper atmosphere from orbit.
Hot on Maven's heels is India's first interplanetary spacecraft, Mangalyaan, which is due to go into orbit around Mars two days after Maven.
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