Heartland: new issue, “The Energy Game”

New Issue from Heartland, “The Energy Game” (PDF from original site)
“1. The Earth is almost five billion years old and at best will last another five billion years before the Sun goes out. This of course with the concurrence of the 718 currently registered potentially dangerous asteroid, of which one, Apophis (the Greek name for the Egyptian god Apep, «the destroyer») will cross the orbit of our telecommunications satellites on April 13th 2029. …”
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