Cassini will pass by Jupiter later this year on its way to arrival at Saturn in 2004. GMT X-ray snapshots capture first cries of baby stars Stars, like babies, make quite a fuss in their first days after birth. The Air Force Space and Missile Systems Center has awarded contracts to Boeing and Lockheed Martin to conduct architecture studies for the Global Positioning System 3 Program. The future GPS generation is planned to meet evolving military and civil requirements for the space-based navigation and timing system for the next 30 years. For the latest spaceflight news and features visit our sister-site, Spaceflight Now .
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Subscriptions Subscribe to Astronomy Now and have Britain's best selling astronomy magazine delivered to your door every month. Subscribe now and save more than 10 percent off the newsstand price. The night sky Our night sky pages contain details of this month's celestial highlights.