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Which of the following describes the theory that begins with the idea that our solar system was born a cloud of gas that collapsed under its own gravity? Solar Nebula Theory
The terrestrial planets in our solar system are: Mercury, Venus, Earth, and Mars.
According to Wien's Law; hotter objects emit photons with a higher average energy, which means a longer average wavelength. True or False FALSE
How fast do tech-tonic plates move on Earth? a few centimeters per year
Comets come from two reservoirs: The kuiper belt and the oort cloud. TRUE or FALSE TRUE
What are the main constituents of the jovian planets? hydrogen and helium
Which planet has a ring system? Saturn Saturn, Jupiter, Neptune, Uranus, Neptune
Gamma rays have a very small ________. wavelength
Which forms of light are lower in energy and frequency than the light that our eyes can see? infrared and radio
When considering light as made up of individual "pieces," each characterized by a particular amount of energy, the pieces are called ________. photons
The lithosphere of a planet is the layer that consists of the rigid rocky material of the crust and uppermost portion of the mantle.
Which of the following best describes the lunar maria? relatively smooth, flat plains on the Moon
All the planets in the solar system have at least one moon. True or False False
Which statement best describes the"duality of light" phenomena? Light behaves as a wave, or as particles, depending on what we do with it, and what we try to observe.
Which of the following is not a characteristic of the outer planets? Light behaves as a wave, or as particles, depending on what we do with it, and what we try to observe.
Which of the following is not a characteristic of the outer planets? They have very few, if any, satellites.
When we say that jovian planets contain significant amounts of hydrogen compounds, we mean all the following chemicals except ________. carbon dioxide
Triton is the largest moon in our solar system. True or False False
Which moons are sometimes called the Galilean moons? Io, Europa, Ganymede, and Callisto
What is evidence that an impact killed the dinosaurs? Iridium
What is the Kuiper belt? a region of the solar system beginning just beyond the orbit of Neptune that contains many icy comets.
Dust rains down on our planet whenever we cross a comet’s orbit, producing a meteor shower. True or False. true
Mars has two moons that are most similar in character to small asteroids
Rank the five terrestrial worlds in order of size from smallest to largest: Moon, Mercury, Mars, Venus, Earth.
Why is a rose red? The rose reflects red light.
From shortest to longest wavelength, which of the following correctly orders the different categories of electromagnetic radiation? gamma rays, X rays, ultraviolet, visible light, infrared, radio
Which of the following is not a major difference between the terrestrial and jovian planets in our solar system? Terrestrial planets contain large quantities of ice and jovian planets do not.
If one combined the number of moons from Saturn and Jupiter there would be more than 120 moons. True or False. True
Olympus Mons is ________. a huge shield volcano on Mars
The processes responsible for virtually all surface geology are ________. impact cratering, volcanisms, tectonics, and erosion
Mercury, because it is the closest planet to our sun, is known to have a "run-away greenhouse" effect. True or False. False
Light is a form of Energy. True or False. True
From center to surface, which of the following correctly lists the interior layers of a terrestrial world? core, mantle, crust
What is the Oort cloud? It is not really a cloud at all, but rather refers to the trillion or so comets thought to orbit the Sun at great distances.
Only comets that enter the inner solar system grow tails. True or False. True.
What was the temperature in the solar nebula at the location of Earth? approximately 600 Kelvin
Matter can emit, absorb, transmit, or reflect light. True or False. True
Radiowaves, microwaves, infrared, visible light, ultraviolet, xrays, and gamma rays are all forms of light. True or False. True
Which of the terrestrial worlds has the strongest magnetic field? Earth
Regarding geological activity; Venus differs from that on Earth in at least 2 key ways: lack of erosion and lack of plate tectonics. True or False. True
Which of the following describes tectonics? the disruption of a planet's surface by internal stresses.
The planet in our solar system with the highest average surface temperature is Venus
The planet closest in size to Earth is Venus
Which is the densest planet in the solar system? Earth
According to your textbook, how often might a Tunguska type event occur? every few hundred years
The frequency of a wave is: Can be measured in hertz (Hz). The number of peaks passing by any point each second. Can be measured in cycles per second. Equal to the speed of the wave divided by the wavelength of the wave. ALL IS TRUE.
Marks: 1 A reflecting telescope operates much like an eye using a primary mirror to gather light. True or False. False.
When white light passes through a cool cloud of gas, we see an absorption line spectrum. True or False. True.
What is the approximate wavelength range of human vision? 400 nanometers to about 700 nanometers
The age of our solar system is approximately 4.6 billion years
All the planets in the solar system rotate in the same direction as they orbit the Sun. True or False. False.
Created by: zemca