## Solutions for Universe

# Browse All Chapters of This Textbook

Chapter 1 - Astronomy And The UniverseChapter 2 - Knowing The HeavensChapter 3 - Eclipses And The Motion Of The MoonChapter 4 - Gravitation And The Waltz Of The PlanetsChapter 5 - The Nature Of LightChapter 6 - Optics And TelescopesChapter 7 - Comparative Planetology I: Our Solar SystemChapter 8 - Comparative Planetology Ii: The Origin Of Our Solar SystemChapter 9 - The Living EarthChapter 10 - Our Barren Moon

Chapter 11 - Mercury, Venus, And Mars: Terrestrial, Yet UniqueChapter 12 - Jupiter And Saturn: Lords Of The PlanetsChapter 13 - Jupiter And Saturn’s Satellites Of Fire And IceChapter 14 - Uranus, Neptune, Pluto, And The Kuiper Belt: Remote WorldsChapter 15 - Asteroids, Comets, And ImpactsChapter 16 - Our Star, The SunChapter 17 - The Nature Of The StarsChapter 18 - The Birth Of StarsChapter 19 - Stellar Evolution: On And After The Main SequenceChapter 20 - Stellar Evolution: The Deaths Of StarsChapter 21 - Stellar Remnants: Neutron Stars And Black HolesChapter 22 - Our GalaxyChapter 23 - GalaxiesChapter 24 - Quasars And Active GalaxiesChapter 25 - Cosmology: The Origin And Evolution Of The UniverseChapter 26 - Exploring The Early UniverseChapter 27 - The Search For Extraterrestrial Life

# Sample Solutions for this Textbook

We offer sample solutions for Universe homework problems. See examples below:

Introduction: Science makes use of creativity and is in alignment with what is observed in nature....Given data: A European 2-euro coin has a diameter of 2.6 cm. The angle subtended by the coin is 1°....Introduction: A collection of stars can be classified using two distinctions, constellation and...Introduction: The moon revolves around the earth from one night to another night. During this time,...Introduction: When a planet is moving retrograde, after observing the planet night after night, it...Given data: Mass of the Moon is 7.35×1022 kg and mass of Earth is 5.98×1024 kg. The average distance...Given data: Mass of Saturn is 100 times the mass of Earth. Distance of Saturn from the Sun is 10 au...Given data: Refer to Appendix 2 for the following values: The equatorial diameter of Earth is 12756...Given data: Average distance from the Moon to the center of Earth is 384,400 km. Diameter of Earth...

Introduction: Speed is basically related to distance and time by the following relation:...Introduction: The different regions of the electromagnetic spectrum have been grouped on the basis...Given data: The temperature of the volcano named Pele on Jupiter’s moon, Io, is 320°C. Formula used:...Given data: The bright star Sirius in the constellation of Canis Major has a radius of 1.67 R⊙. The...Given data: The energy values of the given atomic levels are 0 eV, 1 eV and 3 eV. Formula used:...Introduction: A telescope is an optical instrument, which is useful for seeing the large and...Given data: Diameter of the objective mirror is 20 cm, focal length of the objective mirror is 2 m,...Introduction: Our solar system consists of a Sun, planets (like the Earth, Mars, and Jupiter),...Given data: The diameter of Mars is 6794 km. Phobos’ orbital period is 0.31891 days. The altitude of...Given data: The diameter of the asteroid is 2 km. The average density of the rock is 2500 kg/m3....Given data: The velocity of the asteroid hitting the Earth is 25 m/s. The radius of the asteroid is...Given data: A spacecraft landed on Jupiter’s moon, which revolves around Jupiter in an orbit of...Introduction: There are two classes of planets in our solar system namely terrestrial planets, which...This can be calculated directly by calibrating our usual scale with the scale bar provided below the...Given data: The Sun moves in a small orbit of radius 742,000 km with a period of 11.86 years....Given data: The star 2M1207 is 170 light years from Earth. Formula used: Write the expression for...Given data: The star 2M1207 is 170 light years from Earth. Formula used: Write the expression for...Introduction: Convection is defined as the process by which heat is transferred by the movement of...Given data: The total power of the sunlight that reaches the top of the atmosphere is 1.75×1017 W....Introduction: The Earth is made up of three portions that are named as following: 1. The crust which...Given data: Diameter of Earth is 12,756 km. Mass of Earth is 5.974×1024 kg. Formula used: Write the...Given data: The area of Antarctica is 13 million square kilometer or 13×106 km2. The thickness...Introduction: When an asteroid from the space approaches the surface of the Moon, it strikes the...Introduction: The distance between the center of mass of a two worlds system and the center of world...Given data: The mass of the rock present on the Moon is 1 kg. The Moon is at perigee position from...Introduction: According to the Collision ejection theory, the Moon was coalesced from the debris of...Introduction: Astronomers have been using visible-light telescopes for studying extra-terrestrial...Given data: The orbital periodic time for Mars Global Surveyor spacecraft is 117 minutes. Mass of...Given data: The angular resolution of the naked eye is 60 arcsec. Formula used: The small-angle...Introduction: Differential rotation can be defined as the rotation of different parts of a celestial...Given data: Temperature at 100-millibar level (0 on the scale of altitude) is 160° C Temperature at...Introduction: Satellite is an artificial device that is used to visualize distant objects like...Given data: Galilean satellite Average distance from the Jupiter (km) Orbital period (days) Io...Given data: The density of soil rock is 3500 kg/m3. The density of water is 1000 kg/m3. Formula...Given data: The average atmospheric temperature is 95 K. Formula used: The formula of the escape...Introduction: The Solar system has the brightest star present at the center, around which the...Given data: The distance between Pluto and Sun at perihelion is 29.649 au. Formula used: According...Introduction: Titus-Bode law: This law is used to relate the orbital size of the planets. This law...Given data: The aphelion distance is 100 au and the comet can only survive 100 perihelion passages....Given data: The side length of the comet’s nucleus is 10 km and the density of the comet is 1000...Given data: The density of Dactyl is 2500 kg/m3 and the diameter of Dactyl is 1.4 km. Formula used:...Introduction: The largest body of the solar system is the Sun, having 1000 times more mass than...Given data: The sun’s luminosity is 3.90×1026 W, and the mass of carbon atom is 2×10−26 kg. Formula...Given data: The current rate of the hydrogen fusion in the Sun remains constant. The time is 5...Given data: The mass of the electron and the positron is the same. Formula used: According to the...Given data: The amount of energy (E) that dislodges an electron from a negative hydrogen ion is...Introduction: State the expression for the Stefan-Boltzmann law. F=σT4 Here, F is the energy flux, T...Given data: The temperature of chromosphere is 50000 K. The temperature of corona is 1.5 × 106 K....Introduction: The amount of light an object emits depends on its size; the larger the object, the...Given data: Parallax angle of the star is 0.255 arcsec. The proper motion of the star is 8.67 arcsec...Given data: The wavelength of Hα Balmer line in the spectrum of the star is 656.15 nm and the...Given data: The apparent magnitude of the star, HIP 72509, is 12.1. A parallax angle of the star,...Given data: The B-V color index is related to the color ratio (bV/bB) by the equation:...Introduction: Wien’s law: Objects at different temperatures emit a spectrum that peaks at different...Given data: The temperature of the star’s surface doubles. The average density of the star decreases...Given data: The temperature of the brown dwarf star is 2550 K. Introduction: On the basis of...Given data: The observed length of the semi major axis through a telescope is 4.5 arcsecs and the...Given data: The stars radial velocity is to be measured to an accuracy of 1 km/s or better. Formula...Introduction: The notation used by the astronomers for the neutral hydrogen atoms that are not...Introduction: A red dwarf star belongs to the main sequence stars of M type. It is a small and cool...Given data: The mass of two stars are 0.99 M⊙ and 0.62 M⊙. Formula used: Write the expression for...Given data: For present-day Sun, M=1.99×1030kg, R=696,000 km=6.96×108m. Formula used: Write the...Given data: For present-day Sun, T=5800 K. Mass of hydrogen atom is 1.67×10−27kg. Formula used:...Introduction: Rate of consumption of hydrogen can be defined as the mass of hydrogen combusted per...Introduction: Most stars have the same chemical composition but the difference in stars depend on...Given data: The mass of the star is 1 MΘ and the radius of the star is 6378 km. Formula used: The...Given data: The core of diameter is 20 km and its density is 4×1017 kg/m3. Formula used: Write the...Given data: The distance of the star from Earth is 425 ly. Formula used: The expression for apparent...Introduction: A neutron star is a star composed of incredibly dense sphere of neutrons formed by...Given data: The mass of a neutron is 1.7×10−27 kg and it has a radius of about 10−15 m. Formula...Given data: An astronaut flies at a speed that is 80% of the speed of light, to a distant star, and...Given data: An orbital period of a binary system containing A0620-00 is 0.32 days and the radial...Given data: A black hole having mass equal to that of Earth. Formula used: The expression for...Given data: A pencil or a pen travelling at a speed equal to that of a bicycle rider, a car...Introduction: A globular cluster is a compact group of about a million stars that move around...Given data: The wavelength of Hα photon is 656.3 nm. Formula used: The expression of energy of...Given data: For a gas cloud located in the spiral arm of a distant galaxy, the orbital velocity is...Given data: Mass of the black hole is 4.1×106 M⊙ Formula used: The expression for the Schwarzschild...Given data: The black hole in Sagittarius A* has a mass of 4.1×106 M⊙. The stars S0-2 and S0-19...Given data: Orbital velocity of the star is 2500 km/s and the radius of its circular orbit is 530...Given data: The diameter of the disk is 50 kpc and its thickness is 600 pc. Formula used: The...Introduction: Spiral nebulae: Spiral nebulae are the clouds that are spiral in shape, which were...Given data: The difference between the apparent magnitude and absolute magnitude is given by the...Given data: The value of the redshift (z) is 5.34. Formula used: The expression for the the...Given data: The Coma Cluster contains approximately 1013Μ⊙ of intracluster gas. The gas is made up...Introduction: Spectrum can be defined as the range of the colors that are obtained by passing...Given data: The size of the black hole found at the center of the Milky Way is 3.7×106MΘ. The...Given data: Distance between point A and point B is 26 ly. Speed of the blob is 1315c. Here, c is...Given data: Red shift of the blazar is z=1. Formula used: The expression for Hubble’s Law red shift...Introduction: Newtonian space is assumed to be static and infinite, which is filled with stars...Given data: The Hubble constant is 50 km/s/Mpc. Formula used: The relation between the age of the...Given data: The temperature is increased by a factor of 100. The temperature is increased from 2.725...Given data: Temperature at the photosphere of the Sun, T=5800 K. Average density of matter at the...Given data: The Hubble constant is 50 km/s/Mpc. Formula used: The relation between the Hubble...Given data: The redshift for the quasar HS 1946+7658 is 3.02. The distance between two clusters in...Given data: The expansion of the universe can be expressed in terms of the deceleration parameter....Given data: The value of the redshift is 0.5. Using table 25-2, the value of ΩΛ is found to be 0.76....Introduction: Astronomers and Physicists found that the temperature of microwave background in the...Given data: The mass of intermediate Boson is 85.6 times the mass of a proton. Formula used:...Given data: Temperature of the early universe is 3000 K and ρm is the density of the universe is...Given data: The temperature of the dark nebula is 30 K. The density of the dark nebula is 10−12...Given data: The Hubble constant has a value of 73 km/s/Mpc. The critical density has a value of...Introduction: One of the most important and versatile elements in all known life-forms is carbon. It...Given data: There are 1000 civilizations in the galaxy. Formula used: Write the Drake equation....Given data: From appendix 1, the radius of the Earth’s orbit is 1.496×108 km and the time period of...

# More Editions of This Book

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EBK LOOSE-LEAF VERSION OF UNIVERSE

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Loose-leaf Version Of Universe 11e & Saplingplus For Freedman's Universe 11e (six-months Access)

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Universe

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ISBN: 9781319078966

UNIVERSE LL W/SAPLINGPLUS MULTI SEMESTER

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UNIVERSE SAPLINGPLUS MULTI SEMESTER

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Saplingplus For Freedman's Universe (single Term Access)

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ISBN: 9781319078973

Universe - Text Only (Looseleaf)

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ISBN: 9781319115012

UNIVERSE

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ISBN: 9780716723790

UNIVERSE-PACKAGE

10th Edition

ISBN: 9781319053031

Launchpad For Freedman's Universe (six Month Access)

10th Edition

ISBN: 9781464124686

UNIVERSE-PKG (LOOSELEAF)

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ISBN: 9781319054755

Launchpad For Freedman's Universe (twelve Month Access)

10th Edition

ISBN: 9781464124693

Universe

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ISBN: 9781319042387

UNIVERSE-TEXT (LOOSELEAF)

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ISBN: 9781319042431

Universe

10th Edition

ISBN: 9781464124921

Universe: Media Update

9th Edition

ISBN: 9781429231534

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