Figure 1 shows what scientists over 1000 years ago thought the solar system was like - AQA - GCSE Physics - Question 1 - 2018 - Paper 1
Question 1
Figure 1 shows what scientists over 1000 years ago thought the solar system was like.
1.1 Give one way that the historical model of the solar system shown in Figure... show full transcript
Worked Solution & Example Answer:Figure 1 shows what scientists over 1000 years ago thought the solar system was like - AQA - GCSE Physics - Question 1 - 2018 - Paper 1
Step 1
Give one way that the historical model of the solar system shown in Figure 1 is different from what we now know about the solar system.
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Answer
One way that the historical model shown in Figure 1 is different is that it places the Earth at the center of the solar system, whereas the modern understanding shows that the Sun is at the center.
Step 2
Give one way that the solar system shown in Figure 1 is the same as what we now know about the solar system.
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Answer
Both the historical model and modern understanding recognize that there are multiple planets orbiting the Sun.
Step 3
Describe the orbit of an artificial satellite.
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Answer
The orbit of an artificial satellite is typically elliptical, maintaining a balance between gravitational pull from the Earth and its velocity, allowing it to circumnavigate the Earth.
Step 4
What provides the force needed to keep a satellite in its orbit?
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Answer
Gravity provides the necessary force to keep a satellite in its orbit.
Step 5
How is the star Mira different to the Sun?
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Answer
The star Mira is different from the Sun in that it will undergo a supernova stage in its lifecycle, while the Sun will not reach this stage.
