Astronomy Quiz 1 Review

Which statement is true?

• The galaxies are moving toward us.

• The galaxies are moving away from us.

• The universe remains static or unchanged in motion.

• None of the above

Which elements are most

abundant in the visible

universe?

• Helium and Carbon

• Carbon and Oxygen

• Hydrogen and Oxygen

• Hydrogen and Helium

Galaxies that are redshifted are:

• actually blue.
• really far away.
• invisible.
• moving away from us.

The universe is expanding!  This means that:

• all of the galaxies are spreading out.
• the universe must have started from a single point.
• the universe is cooling down.
• all of the above.

The Cosmic Background Radiation is:

• the remaining energy from the big bang.

• incredibly hot.

• visible to the human eye.

• only located in certain places in the universe.

If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...

• Moving towards the Earth
• Moving away from the Earth
• This is a trick question that cannot be answered
• It isn't a star, it is a very large blueberry.

Most scientists believe the Big Bang Theory explains which of the following questions?

• How our planets and moons formed

• How our universe began

• How the sun turns hydrogen into helium

• How fast light travels through space

The doppler effect is the change in the frequency of waves emitted by a moving object. When the waves being emitted by the object are LIGHT waves, the change in frequency results in a change in __________.

• Brightness

• Heat

• Pitch

• Color

His model of the Earth-centered universe was the cornerstone of astronomy for 1,500 years

• Claudius Ptolemy
• Nicolaus Copernicus
• Charles Messier
• Galileo Galilei

Began a new era of astronomy when he concluded that the Sun was the center of the universe

• Aristotle
• Isaac Newton
• Claudius Ptolemy
• Nicolaus Copernicus