Saturn Will Be Affected by Opposition Surge
Saturn reaches opposition on October 4, putting the ringed planet among the highlights of the October night sky. The event brings Saturn closer to…
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Rings
What Is Trinity Sunday?
Trinity Sunday is the first Sunday after Pentecost and is celebrated by many Christians in the United States. On Trinity Sunday many Christians in…
Why Are There Five Rings in the Olympic Flag?
The flag used at the Olympic Games has a white background with five interlaced circles representing the five inhabited continents: Africa, America, Asia, Australasia…
Why Does Wood Have a Grain?
Why Does Wood Have a Grain? The grain in a piece of wood is the pattern produced by the annual bands or rings which grow in the trunk of the
Are All the Parts of a Tree Alive?
Are All the Parts of a Tree Alive? Actually, most of the wood in the trunk and branches (the heartwood) of a tree is dead. The outer layer o