The Universe, Galaxies, Stars, and The Sun

A star is 9.0 x 10^12 meters from Earth. What is that number in expanded form?

• a. 900,000,000,000 meters
• b. 9,000,000,000,000 meters
• c. 90,000,000,000,000 meters
• d. 9.0 x 10^12 meters

A star is 130,200,000,000 meters away from Earth. What is the number in scientific notation?

• a. 103.2 X 10^9 meters
• b. 13.2 X 10^10 meters
• c. 1.302 X 10^11 meters
• d. 13200000000 meters

Tags

NGSS.MS-ESS1-3

What is used to measure the distance within the solar system?

• a. Parsecs
• b. Astronomical unit
• c. Light-years
• d. Parallax

A light-year is _____.

• a. 365 days
• b. the amount of light the sun produces in a year
• c. the distance from Earth to Proxima Centauri
• d. the distance light travels in a year
• e. a year with Feb 29th in it, like this year.

A(n) ____ galaxy can be described as one that is usually smaller, has lots of gas & dust for bright, young stars to form, and has various shapes that do not “fit” into other categories.

• a. Elliptical
• b. Quasar
• c. Irregular
• d. Spiral

What are the 3 main types of galaxies?

• a. Spiral Galaxies, Regular Galaxies, and Elliptical Galaxies
• b. Spiral Galaxies, Irregular Galaxies, and Elliptical Galaxies
• c. Milky Way, Elliptical Galaxies, and Spiral Galaxies
• d. Milky Way, Elliptical Galaxies, and Irregular Galaxies

What type of galaxy is this?

• a. Spiral
• b. Elliptical
• c. Irregular
• d. Irrational

Tags

NGSS.MS-ESS1-2

What type of galaxy is this?

• a. Spiral
• b. Elliptical
• c. Irregular
• d, Irrational

Tags

NGSS.MS-ESS1-2

What type of galaxy is this?

• a. Spiral
• b. Elliptical
• c. Irregular
• d. Irrational

Tags

NGSS.MS-ESS1-2

How many galaxies are in the universe?

• a. Billions
• b. Millions
• c. Hundreds
• d. One