Distances in Space

An Astronomical Unit is the average distance between

• the Earth and the Moon.

• the Earth and the Sun.

• the Moon and the Sun.

• the Earth and Jupiter.

Tags

NGSS.MS-ESS1-3

NGSS.MS-ESS1-1

How many kilometers are in an Astronomical unit?

• 149,597,870.7 km

• 419,597,870.7 km

• 194,597,870.7 km

• 48,597,870.7 km

Parallax is

• using geometry to calculate the distance to distant objects.

• using known distances to calculate geometry.

• having two laxes.

• using planetary distances to calculate star distances.

What is a light year?

• It is the LUMINOSITY of the Sun compared to other stars.

• Like a regular year, only with less calories.

• It is the DISTANCE light travels in one year.

• It is the TIME it takes light from the Sun to get to the Earth.

What is a Parsec?

• It is the distance a star's angle shifts in one day.

• It is the distance a star's angle shifts in one year.

• It is the distance a star's angle shifts in one month.

• It is the distance a star's angle shifts in two years.

How many light years are in one parsec?

• 3.26

• 1/3600

• 8.2

• 360

How can they tell the distance to the stars that are further than 1000 light years?

• The Sun's luminosity.

• A star's relative brightness.

• A stars temperature.

• A stars composition.

Which unit of measurement is used to measure distances within our solar system?

• inches

• kilometers

• miles

• Astronomical units

What unit of measurement is used to calculate distance in our universe?

• astronomical units

• kilometers

• light years

• parsecs

True or False: The universe is expanding.

• True

• False

Tags

NGSS.HS-ESS1-2