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How are constellations helpful to astronomers?
constellations aren't particularly helpful to scientists. they were helpful to people in ancient times for navigation and the answers to the unknown
In ancient times why did sailors need to know about stars?
The stars and constellations helped them navigate.
Who discovered the constellation Hercules?
What we see as constellations is actually a 2-dimensional projection of the different stars in the galaxy. In ancient times, people saw patterns in the sky and so we got constellations. The constellation of Hercules was listed by Ptolemy but it is unknown who first named the constellation.
Who named cygnus?
Cygnus is a northern constellation. It was named in ancient times and is one of the constellations listed by Ptolemy in the 2nd century.
What is the point of constellations?
Back in ancient times they created constellations to navigate or tell time. The Big and Little Dipper can act like the hands of a clock. The constellations helped them understand which way they were going at sea. This was a time before compasses, and other nautical devices.
How are constellations helpful to astronomers?
constellations aren't particularly helpful to scientists. they were helpful to people in ancient times for navigation and the answers to the unknown
Who invented the modern constellations in the Northern Hemisphere?
Most of the (northern) constellations we use today were invented in ancient times, especially by the ancient Greeks. More recently, a few were added (to fill the entire surface of the sky with constellations), and the limits between constellations were defined exactly.
Why did the ancient people need constellations to harvest?
That provided the only "calendar" to predict the best planting and harvest times to optimize crop yield.
In ancient times why did sailors need to know about stars?
The stars and constellations helped them navigate.
Who discovered the constellation Hercules?
What we see as constellations is actually a 2-dimensional projection of the different stars in the galaxy. In ancient times, people saw patterns in the sky and so we got constellations. The constellation of Hercules was listed by Ptolemy but it is unknown who first named the constellation.
Who named cygnus?
Cygnus is a northern constellation. It was named in ancient times and is one of the constellations listed by Ptolemy in the 2nd century.
What is the point of constellations?
Back in ancient times they created constellations to navigate or tell time. The Big and Little Dipper can act like the hands of a clock. The constellations helped them understand which way they were going at sea. This was a time before compasses, and other nautical devices.
How did Ptolemy explain the change of constellations during the year?
All the constellations were fixed to a crystal sphere that rotates at a slightly different rate from the Sun's rotation rate. So while the Sun goes round 365 times in a year, the sphere of the constellations go round 366 times.
What are some seasonal constellations?
Most constellations are seasonal, meaning they appear in the sky during reasonable evening hours only at certain times of the year. For example, Orion is a popular winter constellation. Only circumpolar constellations are not seasonal.
Who did people believe in ancient times?
People believed in different things during ancient times, much as they do now. Some people believed the scientists and philosophers of the day, while others believed in the gods and goddesses revered in their theology.
What was the first constellation discovered?
Constellations have been identified by different cultures going back to ancient and pre-historic times, so it could not be said what ones were identified first. People just looked into the night sky and saw all the stars and then imagined them as patterns in the sky. That is the origin of modern constellations.
Who did most people believed in ancient times?
People believed in different things during ancient times, much as they do now. Some people believed the scientists and philosophers of the day, while others believed in the gods and goddesses revered in their theology.
