Flashcard on Earth and Space based on textbook reading

Front

What are the two different calendars used by the Mayas for?

Back

The Mayas had two different calendars for everyday and religious uses.

Front

What does the Antikythera Calculator use to show the movement of celestial bodies?

Back

The Antikythera Calculator uses a system of gears.

Front

What season is it in the Southern Hemisphere during January?

Back

It is summer in the Southern Hemisphere during January.

Front

What marks the beginning of fall in the Northern Hemisphere?

Back

The beginning of fall in the Northern Hemisphere is marked by the autumnal equinox.

Front

What is the summer solstice?

Back

The summer solstice is the longest day of the year, occurring around June 21 in the Northern Hemisphere.

Front

What is the winter solstice?

Back

The winter solstice is the shortest day of the year, occurring around December 21 in the Northern Hemisphere.

Front

What is an equinox?

Back

An equinox is a point in the year when day and night are of approximately equal length, occurring in spring and autumn.

Front

What is the significance of the vernal equinox?

Back

The vernal equinox marks the beginning of spring in the Northern Hemisphere.

Front

What is the significance of the autumnal equinox?

Back

The autumnal equinox marks the beginning of fall in the Northern Hemisphere.

Front

What are celestial bodies?

Back

Celestial bodies are natural objects in space, such as stars, planets, moons, and asteroids.