Cosmic tsunami reportedly destroyed Pliocene marine megafauna
The explosion of one or more supernovae some 150 light years from Earth, about 2.6 million years ago, would have led to the disappearance of large marine animals such as…
Read more »Mars, Earth, and Sun Align Today, April 8
To most people, an opposition is a condition, circumstance, or entity that stands betwixt a person and their objective. However, in the field of astronomy it refers to an interplanetary…
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