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Planetary Nebula – A light nebula is located around the old star, which was formed from the upper layers of its atmosphere. This is usually a shell that was dropped by a giant star.
Planetary Nebula – A light nebula is located around the old star, which was formed from the upper layers of its atmosphere. This is usually a shell that was dropped by a giant star.
Lewis Carroll writes about military space programmes, policy, technology and the industry that supports the sector. He spent nearly two decades covering the military, the Pentagon, Congress and the defence industry as a journalist for Space Chatter magazine.