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What is a Lightyear?

What is a Lightyear?

Understanding what is a light year helps us appreciate the vastness of our universe. It is a unit of distance used when miles and kilometers are made insignificant due to great amounts of distance to travel. It no t only used to measure distance but is also used to measure the age of objects that astronomers see through a telescope.

Fahrenheit to Celsius

Fahrenheit to Celsius

More countries have switched from Fahrenheit to Celsius when referring to measurements of temperature. However, the United States and a few other countries still prefer to use the Fahrenheit scale. Both temperature scales aren’t perfect but more countries have opted for the advantages you glean from using the Celsius temperature scale.

Bookends Sizes

Bookends Sizes

Aside from a wide variety of designs, bookends also come in many different sizes. Bigger versions can hold huge books like atlases and directories. To understand them better, it is good to know the different sizes of bookends.