History of Astronomy

People didn’t realize that the stars formed patterns until 1700 AD.

• True

• False

Galileo Galilei invented the telescope.

• True

• False

How did people long ago develop calendars?

• they studied predictable cycles in the sky

• they predicted when eclipses would next occur

• they watched for unexpected patterns in the sky

• they counted days between appearances of new objects in the sky

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Why do scientists think that the people who built Stonehenge had a good understanding of the Sun and the seasons?

• Stonehenge has 12 large stones that represent the months

• Stonehenge has pictures of the seasons carved into the stones

• Stonehenge has 365 steps, the same number of days in a year

• Stonehenge has stones that point to the rising and setting of the Sun or the moon on certain days during the year

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Galileo's discoveries

• helped him invent the telescope

• provided evidence that the earth and the planets revolve around the sun

• helped him realize that a better telescope could be made by using mirrors to gather light instead of lenses

• helped him learn about the planets; Neptune and Uranus

Why do telescopes in space get a more complete picture of space objects?

• they are closer to the objects

• they are beyond Earth's atmosphere

• it is always lighter in space than it is on Earth

• telescopes in space are bigger than those on Earth

How did Isaac Newton's telescope improve upon earlier telescopes?

• his telescope used a curved lens that allowed people to see objects farther away but with less detail

• his telescope used a curved mirror that allowed people to see objects in sharper detail that were dimmer and farther away

• his telescope used a series of lenses to focus light that allowed people to see objects that were farther away

• his telescope used a series of lenses and a mirror to focus light that allowed people to see objects farther away

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Seasons, phases of the Moon, and the rising and setting of the sun are _________ that are seen in the sky.

• stars

• constellations

• Zodiac symbols

• patterns

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A _________ eclipse occurs when the moon blocks the Sun's light.

• lunar

• earth

• solar

• total

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An equinox is the time of year when day and night are of ________ length.

• equal

• different

• changing

• erratic

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