The Solar System
10th Edition
ISBN: 9781337672252
Author: The Solar System
Publisher: Cengage
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Chapter 1, Problem 5P
To determine
The representation of time in scientific notation.
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Astronomers frequently say that “there are more stars in the universe than there are grains of sand on all the beaches on the earth”. Given that a typical grain of sand is about 0.5 – 1.0 mm in diameter, estimate the number of grains of sand on all the earth’s beaches. The diameter of the Earth is 12,742 km.
what is the scientific concept used in the test?
how old is the rock in years?
scientist agree that the age of the universe is about 4 billion years old, does the age of the rock referred in the problem support that? why?
According to modern science, Earth is about 4.5 billion years old and written human history extends back about 10,000 years. Suppose the entire history of Earth is
represented with a 100-meter-long timeline, with the birth of Earth on one end and today at the other end.
a. What distance represents 1 billion years?
b. How far from the end of the timeline does written human history begin?
a. 1 billion years is represented by meters of the timeline.
(Type an integer or decimal rounded to the nearest tenth as needed.)
millimeters from the end of the timeline.
b. Written human history begins about
(Type an integer or decimal rounded to the nearest hundredth as needed.)
Chapter 1 Solutions
The Solar System
Ch. 1 - Prob. 1RQCh. 1 - What is the largest dimension of which you have...Ch. 1 - What is the difference between the Solar System,...Ch. 1 - What is the difference between the Moon and a...Ch. 1 - Prob. 5RQCh. 1 - Why are light-years more convenient than miles,...Ch. 1 - Why is it difficult to detect planets orbiting...Ch. 1 - Prob. 8RQCh. 1 - What is the difference between the Milky Way and...Ch. 1 - What are the Milky Way Galaxys spiral arms?
Ch. 1 - Prob. 11RQCh. 1 - Where are you in the Universe? If you had to give...Ch. 1 - Prob. 13RQCh. 1 - Prob. 14RQCh. 1 - Prob. 15RQCh. 1 - How do we know? How does the scientific method...Ch. 1 - The equatorial diameter of Earth is 7928 miles. If...Ch. 1 - Prob. 2PCh. 1 - One astronomical unit (AU) is about 1.5 108 km....Ch. 1 - A typical galaxy is shown on the first page of the...Ch. 1 - Prob. 5PCh. 1 - Venus orbits 0.72 AU from the Sun. What is that...Ch. 1 - Light from the Sun takes 8 minutes to reach Earth....Ch. 1 - The Sun is almost 400 times farther from Earth...Ch. 1 - If the speed of light is 3.0 × 105 km/s, how many...Ch. 1 - Prob. 10PCh. 1 - Prob. 11PCh. 1 - Prob. 12PCh. 1 - How many galaxies like our own would it take if...Ch. 1 - Arrange the following in order of increasing size:...Ch. 1 - Arrange the following in order of increasing...Ch. 1 - Prob. 3SPCh. 1 - Prob. 4SPCh. 1 - Look at the center of Figure 1–4. Approximately...Ch. 1 - Look at Figure 1-6. How can you tell that Mercury...Ch. 1 - Prob. 3LLCh. 1 - Look at Figure 1-9. Would you say that the...Ch. 1 - Prob. 5LLCh. 1 - Prob. 6LL
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Name three locations in our Solar System to search for Earth-like life and explain your choices.arrow_forwardIf the solar nebula hypothesis is correct, do you think there are more planets in the Universe than stars? Why or why not?arrow_forwardAt present there are 8 planets in the solar system. In the early models, there were only 6 planets. What is the reason behind this? Describe a model of the modern solar system in terms of the number of planets, their arrangement and the model’s center.arrow_forward
- North America and Europe are moving apart at a rate of 2.5 cm/yr. They are now separated by 5,340 km. How long ago did they separate from each other?arrow_forwardCompare the values of the number of grains of sand in all earth’s beaches with the number of stars in the universe – which is greater? Number of sand grains Number of stars They are about the same.arrow_forwardAn isotope of a radioactive element has half-life equal to 5 thousand years. Imagine a sample that is so old that most of its radioactive atoms have decayed, leaving just 20 percent of the initial quantity of the isotope remaining. How old is the sample? Give your answer in thousands of years, correct to one decimal place. Age : ___ thousand years.arrow_forward
- Scientists agree that the age of the universe is about 4 billion years old, does the age of the rock referred in this problem support that? Why? Support your answer in at most 3 sentences.arrow_forwardWhy was the nebular hypothesis never fully accepted by astronomers of the day?arrow_forward4b) the average density of the earth is 5.5 g/cm^3. Which has the greater density 1g of uranium of planet earth 4c) which has the greater density -5kg of lead or 10kg of gold? 4d) which has the greater density-5kg of osmium of 10kg is steel? ANSWER ALL PLZ!!arrow_forward
- When and how did our solar system, and Earth, form?arrow_forwardQuestion 4 Every year over 105 km2 of forest area is lost to human activity. This is about one seventh the area of Texas as shown on the map in red. If our planet has 19.4 x 106 km2 of forest area, how long will it to take to lose it all? Hint: divide the total forest area by the given rate of deforestation. Calculations: Answer: Question 5 The Great Pacific Garbage Patch is an area of plastic waste twice the size of Texas in the Pacific Ocean. It is estimated there are 1.8 x 1012 pieces of plastic in this patch. If the world’s population is 8 x 109, how many pieces of plastic are there per person? Hint: divide the total pieces of plastic by the number of people. Calculations: Answer:arrow_forwardNeed a typed answer by keyboard Handwritten answer not allow The universe has existed for 14 billion years. When the history of the universe is collapsed down into 1 calendar year with each month equal to a little over 1 billion years, the Earth is formed in early September. Based on this timeline, why might it be reasonable to assume that life exists elsewhere in the universe?arrow_forward
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