Articles

Articles

Easter and the Maya New Year

April 1st, 2018 is the Christian celebration of Easter in the Gregorian Calendar and it is also the start of a new year in the Maya Haab calendar. Next year they won’t occur on the same day. Both events are astronomical in origin. Let’s explore how these two calendars work.
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Chinese New Year

Examine the astronomical connections in the Chinese calendar.
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The Groundhog and the Candle

February 2nd is celebrated in the United States as both Groundhog’s Day and Candlemas, or Dia de la Candelaria in Spanish. Both celebrations have their roots in astronomical events.
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Calendar in the Sky

Calendars are tools that can be used to measure time and record events. They can also be used to plan future events. Cultures all around the world and throughout history have invented a variety of calendars to mark time. Official time is kept here, in the United States, based on the natural cycles of atomic clocks. Our...
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Latest Maya Science Article

Solstice at Palenque, Chiapas

At Palenque, the famous Classic Maya site in the southern state of Chiapas, a poetic statement is replayed year after year in the written history as well as in the art and architecture of the site.
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Latest NASA Science Article

Science

You hear the word science used often these days. But, what do we mean when we talk about science and in the context of Calendar in the Sky, what do we mean when we talk about NASA science or Maya science?
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Latest 2012 Science Article

Doomsday from Stellar Explosions

Perhaps the most violent of all the predictions for how the world could end in 2012 is the idea that one or more stars might explode on December 21 and wipe out all life on Earth.
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