List three major ideas of astronomy that help frame the context of the search for life in the universe. Describe each one, along with its importance to astrobiology.

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Answer 1

Textbook Question

Chapter 3, Problem 1RQ

List three major ideas of astronomy that help frame the context of the search for life in the universe. Describe each one, along with its importance to astrobiology.

Expert Solution & Answer

To determine

The three major ideas of astronomy that frame the context of the search for life in the universe.

Answer to Problem 1RQ

Life can be possible only when the basic requirements of the life are fulfilled on other planets.

Explanation of Solution

The three major ideas of astronomy that frame the context of the search for life in the universe are given below as.

1. The universe is vast and old:

In the universe, there are a number of planets or worlds in which life is possible. The universe has many galaxies like “Milky way”, planets, moons, stars, and a solar system. The age of the universe is 13.8 billion years old. At present, there are few planets where life is possible. The old age of the universe means it will take plenty of time to begin life.

2. The elements of life are widespread:

The observation of elements indicates the basic requirements of atmosphere that can make the life possible on the planet in a universe. It means life can also be possible on the other planets if the atmosphere is convenient for the growth of life on it.

3. The same physical laws that operate on Earth operate throughout the universe:

Some basic law’s which are valid on the earth surface they should also valid in the whole universe then only life can be possible on the other planets.

Conclusion:

Thus, life can be possible only when the basic requirements of the life are fulfilled on other planets.

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Which of the following is least reasonable regarding the difficulty in contacting extraterrestrial life using space flight and radio communication. Group of answer choices Space flight to the nearest star would take thousands of years with current technology. Even if another intelligent civilization is within a few hundred light-years of us, conversations would be very slow with a turnaround time of decades or even centuries. The spacecraft that NASA sent to Proxima Centauri a few years ago should be approaching its target within a decade or two, depending on solar wind conditions. Earth has been broadcasting at radio wavelengths since the 1930's, so any civilization within a radius of about 100 light-years or so could have received the broadcast by now. Without some major breakthrough, interstellar space flight is totally impractical.

Tutorial A radio broadcast left Earth in 1923. How far in light years has it traveled? If there is, on average, 1 star system per 400 cubic light years, how many star systems has this broadcast reached? Assume that the fraction of these star systems that have planets is 0.50 and that, in a given planetary system, the average number of planets that have orbited in the habitable zone for 4 billion years is 0.40. How many possible planets with life could have heard this signal? Part 1 of 3 To figure out how many light years a signal has traveled we need to know how long since the signal left Earth. If the signal left in 1923, distance in light years = time since broadcast left Earth. d = tnow - broadcast d = 97 97 light years Part 2 of 3 Since the radio signal travels in all directions, it expanded as a sphere with a radius equal to the distance it has traveled so far. To determine the number of star systems this signal has reached, we need to determine the volume of that sphere. V, = Vb…

Tutorial A radio broadcast left Earth in 1925. How far in light years has it traveled? If there is, on average, 1 star system per 400 cubic light years, how many star systems has this broadcast reached? Assume that the fraction of these star systems that have planets is 0.30 and that, in a given planetary system, the average number of planets that have orbited in the habitable zone for 4 billion years is 0.85. How many possible planets with life could have heard this signal? Part 1 of 3 To figure out how many light years a signal has traveled we need to know how long since the signal left Earth. If the signal left in 1925, distance in light years = time since broadcast left Earth. d = tnow - tbroadcast d = light years Submit Skip (you cannot come back)

Answer 2

Textbook Question

Chapter 3, Problem 1RQ

List three major ideas of astronomy that help frame the context of the search for life in the universe. Describe each one, along with its importance to astrobiology.

Expert Solution & Answer

To determine

The three major ideas of astronomy that frame the context of the search for life in the universe.

Answer to Problem 1RQ

Life can be possible only when the basic requirements of the life are fulfilled on other planets.

Explanation of Solution

The three major ideas of astronomy that frame the context of the search for life in the universe are given below as.

1. The universe is vast and old:

In the universe, there are a number of planets or worlds in which life is possible. The universe has many galaxies like “Milky way”, planets, moons, stars, and a solar system. The age of the universe is 13.8 billion years old. At present, there are few planets where life is possible. The old age of the universe means it will take plenty of time to begin life.

2. The elements of life are widespread:

The observation of elements indicates the basic requirements of atmosphere that can make the life possible on the planet in a universe. It means life can also be possible on the other planets if the atmosphere is convenient for the growth of life on it.

3. The same physical laws that operate on Earth operate throughout the universe:

Some basic law’s which are valid on the earth surface they should also valid in the whole universe then only life can be possible on the other planets.

Conclusion:

Thus, life can be possible only when the basic requirements of the life are fulfilled on other planets.

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Answer 3

Textbook Question

Chapter 3, Problem 1RQ

List three major ideas of astronomy that help frame the context of the search for life in the universe. Describe each one, along with its importance to astrobiology.

Expert Solution & Answer

To determine

The three major ideas of astronomy that frame the context of the search for life in the universe.

Answer to Problem 1RQ

Life can be possible only when the basic requirements of the life are fulfilled on other planets.

Explanation of Solution

The three major ideas of astronomy that frame the context of the search for life in the universe are given below as.

1. The universe is vast and old:

In the universe, there are a number of planets or worlds in which life is possible. The universe has many galaxies like “Milky way”, planets, moons, stars, and a solar system. The age of the universe is 13.8 billion years old. At present, there are few planets where life is possible. The old age of the universe means it will take plenty of time to begin life.

2. The elements of life are widespread:

The observation of elements indicates the basic requirements of atmosphere that can make the life possible on the planet in a universe. It means life can also be possible on the other planets if the atmosphere is convenient for the growth of life on it.

3. The same physical laws that operate on Earth operate throughout the universe:

Some basic law’s which are valid on the earth surface they should also valid in the whole universe then only life can be possible on the other planets.

Conclusion:

Thus, life can be possible only when the basic requirements of the life are fulfilled on other planets.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Textbook Question

Chapter 3, Problem 1RQ

List three major ideas of astronomy that help frame the context of the search for life in the universe. Describe each one, along with its importance to astrobiology.

Expert Solution & Answer

To determine

The three major ideas of astronomy that frame the context of the search for life in the universe.

Answer to Problem 1RQ

Life can be possible only when the basic requirements of the life are fulfilled on other planets.

Explanation of Solution

The three major ideas of astronomy that frame the context of the search for life in the universe are given below as.

1. The universe is vast and old:

In the universe, there are a number of planets or worlds in which life is possible. The universe has many galaxies like “Milky way”, planets, moons, stars, and a solar system. The age of the universe is 13.8 billion years old. At present, there are few planets where life is possible. The old age of the universe means it will take plenty of time to begin life.

2. The elements of life are widespread:

The observation of elements indicates the basic requirements of atmosphere that can make the life possible on the planet in a universe. It means life can also be possible on the other planets if the atmosphere is convenient for the growth of life on it.

3. The same physical laws that operate on Earth operate throughout the universe:

Some basic law’s which are valid on the earth surface they should also valid in the whole universe then only life can be possible on the other planets.

Conclusion:

Thus, life can be possible only when the basic requirements of the life are fulfilled on other planets.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

To determine

The three major ideas of astronomy that frame the context of the search for life in the universe.

Answer to Problem 1RQ

Life can be possible only when the basic requirements of the life are fulfilled on other planets.

Explanation of Solution

The three major ideas of astronomy that frame the context of the search for life in the universe are given below as.

1. The universe is vast and old:

In the universe, there are a number of planets or worlds in which life is possible. The universe has many galaxies like “Milky way”, planets, moons, stars, and a solar system. The age of the universe is 13.8 billion years old. At present, there are few planets where life is possible. The old age of the universe means it will take plenty of time to begin life.

2. The elements of life are widespread:

The observation of elements indicates the basic requirements of atmosphere that can make the life possible on the planet in a universe. It means life can also be possible on the other planets if the atmosphere is convenient for the growth of life on it.

3. The same physical laws that operate on Earth operate throughout the universe:

Some basic law’s which are valid on the earth surface they should also valid in the whole universe then only life can be possible on the other planets.

Conclusion:

Thus, life can be possible only when the basic requirements of the life are fulfilled on other planets.

Answer 8

Expert Solution & Answer

To determine

The three major ideas of astronomy that frame the context of the search for life in the universe.

Answer to Problem 1RQ

Life can be possible only when the basic requirements of the life are fulfilled on other planets.

Explanation of Solution

The three major ideas of astronomy that frame the context of the search for life in the universe are given below as.

1. The universe is vast and old:

In the universe, there are a number of planets or worlds in which life is possible. The universe has many galaxies like “Milky way”, planets, moons, stars, and a solar system. The age of the universe is 13.8 billion years old. At present, there are few planets where life is possible. The old age of the universe means it will take plenty of time to begin life.

2. The elements of life are widespread:

The observation of elements indicates the basic requirements of atmosphere that can make the life possible on the planet in a universe. It means life can also be possible on the other planets if the atmosphere is convenient for the growth of life on it.

3. The same physical laws that operate on Earth operate throughout the universe:

Some basic law’s which are valid on the earth surface they should also valid in the whole universe then only life can be possible on the other planets.

Conclusion:

Thus, life can be possible only when the basic requirements of the life are fulfilled on other planets.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

To determine

The three major ideas of astronomy that frame the context of the search for life in the universe.

Answer 12

Answer to Problem 1RQ

Life can be possible only when the basic requirements of the life are fulfilled on other planets.

Answer 13

Explanation of Solution

The three major ideas of astronomy that frame the context of the search for life in the universe are given below as.

1. The universe is vast and old:

In the universe, there are a number of planets or worlds in which life is possible. The universe has many galaxies like “Milky way”, planets, moons, stars, and a solar system. The age of the universe is 13.8 billion years old. At present, there are few planets where life is possible. The old age of the universe means it will take plenty of time to begin life.

2. The elements of life are widespread:

The observation of elements indicates the basic requirements of atmosphere that can make the life possible on the planet in a universe. It means life can also be possible on the other planets if the atmosphere is convenient for the growth of life on it.

3. The same physical laws that operate on Earth operate throughout the universe:

Some basic law’s which are valid on the earth surface they should also valid in the whole universe then only life can be possible on the other planets.

Conclusion:

Thus, life can be possible only when the basic requirements of the life are fulfilled on other planets.