Exam 1: Here and Now

Which best represents 5,362,000,000 kilometers in scientific notation?

What are the planets of our Solar System in order from closest to farthest from the Sun?

The Universe consists of the Sun, its family of planets, and some smaller bodies such as moons, asteroids, and comets.

Figure 1-11 (for the following questions) In Figure 1, what is the pointer indicating?

The formation of our _______________ occurred about 4.6 billion years ago.

Humanity is very new to the Universe.

Astronomers refer to the beginning of the Universe as the _______________.

Using the example of a football field, indicate the beginning of the Universe, the beginning of our Solar System and the beginning of civilization as we know it along the field in whatever terminology you are familiar with.

Approximately how long does it take light to reach the Earth from the Sun?

Scientists try to form hypotheses that explain how nature works.

Jupiter is located approximately 5.2 AU away from the Sun. What is the distance in kilometers?

The Big Bang is a theory describing the ____.

What process do scientists use to determine how nature works?

You are analyzing driveway lengths within your neighborhood and surrounding neighborhoods, and your data is to be presented to the city council. Which would be the most appropriate unit of measurement?

The _______________contains all of the galaxies, solar systems, stars, and planets.

Figure 1-11 (for the following questions) What does the above image represent?

The star Wolf 359 is 7.7 light years away. What is that distance in kilometers?

When did life first appear on Earth?

The Universe is too big to discuss distance without using _______________.

The celestial object _______________ is just one of many small objects that orbit the Sun beyond Neptune.