Astronomy 1

All of space and everything inside it is known as

• the Universe

• a galaxy

• the Solar System

• a planet

How will you observe a star move from one night to the next?

• It will move about 1 degree west

• It will move about 1 degree east

• It will move about 4 degrees west

• It will move about 4 degrees east

Equinoxes occur (around March 21st & Sept. 21st) when the Sun appears to be directly

• over the Tropic of Capricorn.

• over the Tropic of Cancer.

• over the Equator.

• between the Earth & Moon.

The ability to predict seasons & celestial events was important to ancient societies because

• otherwise they would not know the time of day.

• there was no other way to figure out planetary movements.

• it allowed for crops to be planted and to keep track of time

• the phases of the Moon was very important to know.

Which statement best describes constellations?

• Stars that are grouped together in space

• stars that can tell us our future

• patterns of stars that resemble animals and/or other objects in a society's culture

• animals in the sky

What is a "light year?"

• 365.25 days

• the distance traveled by light in 1 year

• A year in space

• a distance of about 6 billion miles (9.8 billion km)

What is the difference between the Solar Day and Sidereal Day?

• Solar day is with reference to the Sun, Sidereal day is with reference to the stars

• Sidereal day is with reference to the Sun, Solar day is with reference to the stars

• the are the same

How does the Sun move in the sky relative to the stars from one day to the next?

• about 1 degree east every day

• about 1 degree west every day

• 0 degrees per day (it moves with the stars)

• 4 degrees east per day

What is thought to be one of the main purposes of building Stonehenge?

• to predict the future

• to indicate the start of the seasons

• to create a lasting memorial to the gods

• to confound and confuse future historians

Earth's seasons are caused by

• the precession of Earth's axis.

• its distance from the Sun.

• wobbles in its orbit and axis of rotation.

• its tilt; revolution around the Sun, and spherical shape.