1. Why do astronomers think that there may be other advanced civilizations?
The earth has only been around for 4.5 billion years, as opposed to the 10 billion year old
universe. This suggests that alternative civilizations may be present from billions of
1. How are the outer planets similar to each other? All the planets that are located outside the asteroid
belt are gaseous giants. Their atmosphere is completely covered with harmful gas elements such as
methane. They all have rings, even
Stellarium Sky Observing Schedule
In this activity, you will create a real night sky observing schedule tailored just for you! Youll also get more
familiar with how to use Stellarium, and observe how objects in the sky rise and set over
Five Amazing Stars
1. Explain how UY Scuti and J0523 are different. UY Scuti is the largest star discovered so far, and
J0523 is the smallest star discovered so far.
2. Why will J1311 (the Black Widow Pulsar) eventually find itself without its companion s
The Movement of Galaxies in Space
1. Describe the race that takes place in the video. Each person racing is representing a galaxy and
how far that galaxy is from Earth. They replicated the positions and alignment of the galaxies they
2. What do
1. Describe the Milky Way. What does it contain? The milky way is a barred spiral galaxy with four
main spiral arms, each with smaller branch offs, with a slumbering black hole in the center. Its among one
of the brightest spiral galaxies
Chapter 7: Review Questions
1. What are the six regions of the Sun? The six regions of the Sun is Core,
Radiative Zone, Convection Zone, Photosphere, Chromosphere, and the
2. What is nuclear fusion? What role does nuclear fusion play in the Sun? A
1. What are the terrestrial planets? A terrestrial planet is an inner planet or celestial body that is
composed primarily of silicate rocks and metals and has a crust.
2. How were the inner and outer planets formed? The planets in our So
1. What are the terrestrial planets? A terrestrial planet is a celestial body that is composed
primarily of silicate rocks and metals and has a crust.
2. How were the inner and outer planets formed?
3. What role do impact craters play on
1. What are stars made from? It depends on the star in question. Mostly Hydrogen atoms
colliding to give off energy, which then produces Helium. There are other elements in stars too,
but they don't make up as much of the stars mass as Hy
Deep Space Dangers: Is Mars Beyond Reach:
1. What are some of physical concerns Williams discusses when considering a trip to Mars? Some
concerns focused mainly on the ability of our bodies to adapt to different levels of gravity while still
1. How is the Moon dependent on the Sun?
The moon is dependent on the Sun though its phases, as the sunlight hemisphere of the
moon provides the phase. Because of the sunlight hitting the moon, the 30 calendar days to a
month were created