Universe - Text Only (Looseleaf)
11th Edition
ISBN: 9781319115012
Author: Freedman
Publisher: MAC HIGHER
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Question
Chapter 7, Problem 1CC
To determine
The number of stars in our solar system.
Expert Solution & Answer
Answer to Problem 1CC
Solution:
There is only one star in our solar system that is called the Sun.
Explanation of Solution
Introduction:
Our solar system consists of a Sun, planets (like the Earth, Mars, and Jupiter), smaller objects like satellites (moons), asteroids, comets, trans-Neptunian objects, and a huge amount of dust.
Explanation:
Earth’s Solar system has eight planets and a Sun along with a variety of smaller celestial objects like the Moon, which is the only natural satellite of the Earth. It also consists of asteroid belts holding a huge number of asteroids and loads of dust, comets, etc. A star is the heart of a solar system and in our solar system, it is the Sun. The second closest star to Earth is the Proxima Centauri, but that is outside our Solar system.
Conclusion:
Thus, the Sun is the only star present in our solar system.
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Students have asked these similar questions
The star that provides energy for life on earth is
Moon
Sun
Milky Way
(a) Astronomers use a special unit to measure distances called astronomical unit (AU) where 1 AU is defined as 92,955,807 miles. They also use another unit called parsecs where 1 parsec is equal to 206,264.4 AU. Convert 1 Zm (zettametre) into kiloparsecs. (Given 1 mi = 1.609 km; 1 km = 1000 m).
1 million kilometers can be expressed in scientific notation as:
10x10^6 km
10x10^-6 km
none of these
1x10^6 km
1x10^-6km
Chapter 7 Solutions
Universe - Text Only (Looseleaf)
Ch. 7 - Prob. 1CCCh. 7 - Prob. 2CCCh. 7 - Prob. 3CCCh. 7 - Prob. 4CCCh. 7 - Prob. 5CCCh. 7 - Prob. 6CCCh. 7 - Prob. 7CCCh. 7 - Prob. 8CCCh. 7 - Prob. 9CCCh. 7 - Prob. 10CC
Ch. 7 - Prob. 11CCCh. 7 - Prob. 12CCCh. 7 - Prob. 13CCCh. 7 - Prob. 1CLCCh. 7 - Prob. 2CLCCh. 7 - Prob. 3CLCCh. 7 - Prob. 4CLCCh. 7 - Prob. 1QCh. 7 - Prob. 2QCh. 7 - Prob. 3QCh. 7 - Prob. 4QCh. 7 - Prob. 5QCh. 7 - Prob. 6QCh. 7 - Prob. 7QCh. 7 - Prob. 8QCh. 7 - Prob. 9QCh. 7 - Prob. 10QCh. 7 - Prob. 11QCh. 7 - Prob. 12QCh. 7 - Prob. 13QCh. 7 - Prob. 14QCh. 7 - Prob. 15QCh. 7 - Prob. 16QCh. 7 - Prob. 17QCh. 7 - Prob. 18QCh. 7 - Prob. 19QCh. 7 - Prob. 20QCh. 7 - Prob. 21QCh. 7 - Prob. 22QCh. 7 - Prob. 23QCh. 7 - Prob. 24QCh. 7 - Prob. 25QCh. 7 - Prob. 26QCh. 7 - Prob. 27QCh. 7 - Prob. 28QCh. 7 - Prob. 29QCh. 7 - Prob. 30QCh. 7 - Prob. 31QCh. 7 - Prob. 32QCh. 7 - Prob. 33QCh. 7 - Prob. 34QCh. 7 - Prob. 35QCh. 7 - Prob. 36QCh. 7 - Prob. 37QCh. 7 - Prob. 38QCh. 7 - Prob. 39QCh. 7 - Prob. 40QCh. 7 - Prob. 41Q
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- An astronomical unit (AU) is equal to the average distance from Earth to the Sun, about 92.9 × 106 mi. A parsec (pc) is the distance at which a length of 1 AU would subtend an angle of exactly 1 second of arc (the figure). A light-year (ly) is the distance that light, traveling through a vacuum with a speed of 186000 mi/s, would cover in 1.0 year. Express the Earth–Sun distance in (a) parsecs and (b) light-years.arrow_forwardJupiter is 483,800,000 miles from the Sun. How many kilometers is Jupiter from the Sun?arrow_forwardThe mass of venus is 4.883x10^15 Tg and density of Venus is 5.256 g/cm^3. What is the radius of Venus? Express the answer in the SI unit that will give the smallest number that is greater than 1. Tera (or T) means 10^12arrow_forward
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- How do you find this out?arrow_forward22. The Solar SystemA. formed about 14 billion years ago.B. formed about 4.5 billion years ago.C. formed about 100,000 years ago.D. has always existedarrow_forwardA space craft achieved a maximum speed of 125,000 km/h on its way to photograph Beyond what distance from the Sun is this speed sufficient to escape the solar system?arrow_forward
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