Our Place in the Universe

What is the name of our galaxy?

The redshift of galaxies tells us that the universe is

What was contained in the singularity that gave rise to the Big Bang?

When do scientists estimate that the Big Bang occurred?

The larger planets were able to grow by capturing large amounts of H & He a process called

What do we call the study of the universe?

What is the thermal radiation from the big bang, that fills the universe almost uniformly?

Scientists estimate the age of our solar system to be approximately

Which category of planets include the large, gaseous planets with ring systems?

Matter clumping together under the influence of gravitation to form larger bodies is called

How do we know if a celestial object is moving away from us?

What is the prevailing cosmological model that describes the early development of the universe?

What do we call an interstellar cloud of gas & dust?

Which category of planets include the rocky, smaller planets with few or no moons?

Dark matter and dark energy account for what percentage of "stuff" in the universe?