- Which planet has a temperature of 800 degrees Fahrenheit on the side facing the Sun and -290 degrees Fahrenheit on the side opposite the Sun?
- In the diagram above, which planets have temperatures lower than -200 degrees Fahrenheit?
- Which feature of Neptune is most responsible for its blue color?
- Two planets have the same radius. If Planet A is 5 times more massive than Planet B, how does gravity differ on the surfaces of the two planets?
- In the diagram above, what season and planet is being represented by the red X on the planet on the left in orbit around the Sun?
- Of these choices, which planet has the most moons?
- A mountain top is a good location for optical telescopes because the site ...
- A star is a hot, dense gas surrounded by a cooler, low density atmosphere. What type of spectrum will a star create?
- What makes a transition from a lower energy state to a higher energy state when a photon is absorbed into an atom?
- A particular Zodiac constellation is high in the sky at midnight in April. Where will it be in October?
- Star A is 4000 K, and Star B is 8000 K. Which of the following is true?
- What two properties of a planet affect the gravity we feel on its surface?
- Compared to ultraviolet radiation, X-rays have a wavelength that is ...
- At what time will the Moon set on the day of a Solar eclipse?
- The "North Star" is a star in the constellation of Ursa Minor, which lies just above the North pole of Earth. Which of the following is true?
- The faintness of an object that a telescope can observe is mostly determined by the ...
- A planet in a nearly circular orbit with its rotation axis tilted by 5 degrees relative to its orbital plane around its star would ...
- When is the waning gibbous moon highest in the sky?
- Say that there were a planet X in our Solar System with a mass 1/4 the mass of Earth and a radius 1/2 the radius of Earth. How will the gravity on its surface compare to the surface gravity of Earth?
- What phase is the Moon in, when observed by the person standing on the Earth in the diagram above?