Question 11 pts According to the principle known as Occam\'s razor , a scientifi

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Question 11 pts

According to the principle known as Occam's razor, a scientific theory should be:

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Question 21 pts

Which of the following best describes a scientific theory?

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Question 31 pts

Which of the following best describes what a hypothesis is?

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Question 41 pts

Which of the following is not one of the hallmarks of science (characteristics that anything scientific must agree with)?

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Question 51 pts

Which is stronger, the gravitational pull of the Sun acting on the Earth, or the gravitational pull of the Earth acting on the Sun?

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Question 61 pts

According to Newton's Law of Gravity, if you take two objects and separate them so they end up 4 times farther from each other than they started, what has happened to the force of gravity between them?

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Question 71 pts

If Humans were to send a message to some friendly aliens living on an Earth-like planet orbiting the nearest star, Alpha Centauri, how long would we have to wait after sending the message to get their response?

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Question 81 pts

About how many stars are there in our Galaxy?

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Question 91 pts

Which of the following is not evidence for the Big Bang theory?

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Question 101 pts

Which of the following astronomical objects is the largest?

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Attempt due: Sep 12 at 11:59pm

Explanation / Answer

Ans.11. Tasteble.

Ans.21. A set of observed , well confirmed facts.

Ans.31. An educated guess that attempts to guess something.

Ans.41. Using natural explanation for natural events.

Ans.51 . The sun' s pull on Earth is greater.

Ans 61. It is 16 times weaker.

Ans.71. 4.4 years.

Ans.81. More than 100 billion star.

Ans.91.The fact that Sun is about 4.5 billion years old.

Ans.101.Galaxy cluster.

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