UNIVERSE
SURVEY OF THE PLANETS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Bode’s law
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Images of other stars with gas and dust disks surrounding them
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The existence of large clouds
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The discovery of extra-solar planets
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Detailed explanation-1: -Thus was born our solar system-the Sun and all the planets, moons, comets, asteroids, and meteoroids that revolve around it. This solar nebula theory is well supported by modern astronomical observations of other nebulas, disks, and planets, and by radiometric dating.
Detailed explanation-2: -The most widely accepted model of planetary formation is known as the nebular hypothesis. This model posits that, 4.6 billion years ago, the Solar System was formed by the gravitational collapse of a giant molecular cloud spanning several light-years.
Detailed explanation-3: -The nebular hypothesis is the idea that a spinning cloud of dust made of mostly light elements, called a nebula, flattened into a protoplanetary disk, and became a solar system consisting of a star with orbiting planets [12].
Detailed explanation-4: -Which of the following discoveries provides strong evidence in favor of the nebular theory? Planets are common around other stars. Suppose the solar wind had cleared away the solar nebula before the seeds of the jovian planets could gravitationally draw in hydrogen and helium gas.