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Arab astronomers invented the astrolab, a device for helping them mark the positions of the planets and constellations through the seasons.
Before them the Greeks had invented the "Ankylothera" device, sort of a celestial calendar.
Prior to both of these groups Egyptians marked the ground with stones to note the position of the sun at its solstices and equinoxes. Stone henge, in England, was an astronomical observatory. There are also rock arrangements in South America American Indian observers used to note the positions of stars.
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What are the instruments use by astronomers?
tools like radio and telescope and camera.
What skills did the astronomers use when they discover neptune?
A telescope.
What is the name of a tool that astronomers use to see objects in space?
A Telescope
If Galileo used a telescope to investigate the night sky why did his fellow astronomers not use a telescope also?
this is one of my questions for homework
Who uses telescopes?
Many people use a telescope. Astronomers, scientists, astronauts, cosmic data analysts. Even anyone who merely has a curiosity and wishes to know what is beyond our atmosphere uses a telescope.
How do early astronomers use telescopes?
The telescope wasn't invented until about 1604, so "early" astronomers had no telescopes.
What scientific skills did early astronomers use?
EARLY astronomers primarily used mathematics; that's why so many "early astronomers" are described as "mathematician and astronomer". Until the invention of the telescope in the early 1600's, there were no astronomical tools beyond the octant.
What is an instrument that astronomers use?
telescope
What are the instruments use by astronomers?
tools like radio and telescope and camera.
What skills did the astronomers use when they discover neptune?
A telescope.
What must astronomers do to view planets directly?
Astronomers use a telescope to view planets directly.
What is the name of a tool that astronomers use to see objects in space?
A Telescope
Who can use the hubble telescope?
Astronomers, mostly those who work for NASA. Some astronomers from Universities can also access it.
If Galileo used a telescope to investigate the night sky why did his fellow astronomers not use a telescope also?
this is one of my questions for homework
What did the astronomers use to discover that the star Sirius was moving away from Earth?
A freaking telescope
What is the place where astronomers study objects in space with the use of telescope?
space research centre
What tools did ancient astronomers use?
Until the telescope was invented their greatest tool was the human eye.
