This dazzling planet, which dominated the evening sky from last fall on through the ... km), equal to 845,900 miles (1.36 million km) per day. In our schedule, remember that when measuring the ...
Look Up at the Sky Day, observed annually on April 14, invites us to pause, look up – and appreciate the vast expanse up there. While we can’t celebrate it all day long (it would hurt our ...
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