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One of the objects that astronomers study with telescopes on land and in orbit around Earth are called nebulae. Which statement correctly describes what a nebula is and where in relation to other objects nebulae may be found?
Terrestrial planets have thinner atmospheres than gas giant planets.
A nebula is a cloud of gas and dust found in interstellar space.
star
A galaxy is a grouping of millions or billions of stars along with clouds of gas and dust.
Mass is the amount of matter an object contains, but the weight of an object is due to gravitational force acting on that mas
gravity
gravity
universe
A galaxy contains stars, gas, and dust. This matter must be held together or the galaxy will break apart. What is responsible for holding the stars, gas, and dust together in a galaxy?
Terrestrial planets have thinner atmospheres than gas giant planets.
A nebula is a cloud of gas and dust found in interstellar space.
star
A galaxy is a grouping of millions or billions of stars along with clouds of gas and dust.
Mass is the amount of matter an object contains, but the weight of an object is due to gravitational force acting on that mas
gravity
gravity
universe
Galaxies are large groups of millions, billions, or even trillions of stars. What keeps the stars in a galaxy from moving away from each other?
Terrestrial planets have thinner atmospheres than gas giant planets.
A nebula is a cloud of gas and dust found in interstellar space.
star
A galaxy is a grouping of millions or billions of stars along with clouds of gas and dust.
Mass is the amount of matter an object contains, but the weight of an object is due to gravitational force acting on that mas
gravity
gravity
universe
Weight and mass are related, but they are not the same thing. If you weigh 115 kilograms on Earth, you would weigh 19 kilograms on the Moon and almost 272 kilograms on Jupiter. Which statement explains why your weight would be different on these bodi
Terrestrial planets have thinner atmospheres than gas giant planets.
A nebula is a cloud of gas and dust found in interstellar space.
star
A galaxy is a grouping of millions or billions of stars along with clouds of gas and dust.
Mass is the amount of matter an object contains, but the weight of an object is due to gravitational force acting on that mas
gravity
gravity
universe
Our solar system consists of eight planets. Each planet is classified as either a terrestrial planet or a gas giant planet. Which is a difference between these two types of planets?
Terrestrial planets have thinner atmospheres than gas giant planets.
A nebula is a cloud of gas and dust found in interstellar space.
star
A galaxy is a grouping of millions or billions of stars along with clouds of gas and dust.
Mass is the amount of matter an object contains, but the weight of an object is due to gravitational force acting on that mas
gravity
gravity
universe
One way to compare the objects of space is by their relative sizes. Which of the following is larger than a galaxy?
Terrestrial planets have thinner atmospheres than gas giant planets.
A nebula is a cloud of gas and dust found in interstellar space.
star
A galaxy is a grouping of millions or billions of stars along with clouds of gas and dust.
Mass is the amount of matter an object contains, but the weight of an object is due to gravitational force acting on that mas
gravity
gravity
universe
A galaxy holds a special place among all the other objects in outer space. Which is the best description of a galaxy according to its relationship to other objects?
Terrestrial planets have thinner atmospheres than gas giant planets.
A nebula is a cloud of gas and dust found in interstellar space.
star
A galaxy is a grouping of millions or billions of stars along with clouds of gas and dust.
Mass is the amount of matter an object contains, but the weight of an object is due to gravitational force acting on that mas
gravity
gravity
universe
When we say an object is in orbit, we mean that it is traveling around another object in space. What do planets in a solar system orbit?
Terrestrial planets have thinner atmospheres than gas giant planets.
A nebula is a cloud of gas and dust found in interstellar space.
star
A galaxy is a grouping of millions or billions of stars along with clouds of gas and dust.
Mass is the amount of matter an object contains, but the weight of an object is due to gravitational force acting on that mas
gravity
gravity
universe
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