ESSENTIAL COSMIC PERSPECTIVE - ACCESS CA
9th Edition
ISBN: 9780135795125
Author: Bennett
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 45EAP
Moonlight and Sunlight. How long does it take light to travel from
a. the Moon to Earth?
b. the Sun to Earth?
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An apple is green because it
O a. emits green light.
O b. absorbs green light.
O c. transmits green light.
O d. reflects green light.
You will experience the feeling of weightless while
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O b. None of the above
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ee here to search
立
A. What is a light year?
unit of time.
unit of length
1 year on earth
speed of light.
When two objects are far away, an observer moving will see a shift of the closest object relative to the farthest object. This shift is known as
a.triangulation.
b.parallax.
c.a baseline.
d.a degree.
e.an arc second.
What advantages do large telescopes have over smaller ones?
a.larger collecting areas
b.both superior angular resolution and less aberration
c.superior angular resolution
d.less aberration
e.better exposure times
What is the name given to a day which uses the stars as a reference?
a.solar day
b.diurnal day
c.sidereal day
d.orbital day
e.none of the mentioned choices
Chapter 1 Solutions
ESSENTIAL COSMIC PERSPECTIVE - ACCESS CA
Ch. 1 - Prob. 1VSCCh. 1 - Prob. 2VSCCh. 1 - About how far away from Earth would the Sun be...Ch. 1 - Prob. 4VSCCh. 1 - Prob. 1EAPCh. 1 - Define astronomical unit and light-year.Ch. 1 - Explain the statement The farther away we look in...Ch. 1 - Prob. 4EAPCh. 1 - Prob. 5EAPCh. 1 - What do we mean when we say that the universe is...
Ch. 1 - In what sense are we “star stuff”?Ch. 1 - Use the cosmic calendar to describe how the human...Ch. 1 - Briefly explain Earth’s daily rotation and annual...Ch. 1 - Prob. 10EAPCh. 1 - Prob. 11EAPCh. 1 - Prob. 12EAPCh. 1 - Prob. 13EAPCh. 1 - Prob. 14EAPCh. 1 - Decide whether the statement makes sense (or is...Ch. 1 - Prob. 16EAPCh. 1 - Prob. 17EAPCh. 1 - Prob. 18EAPCh. 1 - Decide whether the statement makes sense (or is...Ch. 1 - Prob. 20EAPCh. 1 - Decide whether the statement makes sense (or is...Ch. 1 - Prob. 22EAPCh. 1 - Prob. 23EAPCh. 1 - An astronomical unit is (a) any planet’s average...Ch. 1 - The star Betelgeuse s about 600 light-years away....Ch. 1 - Prob. 26EAPCh. 1 - Prob. 27EAPCh. 1 - Prob. 28EAPCh. 1 - Prob. 29EAPCh. 1 - Prob. 30EAPCh. 1 - Prob. 31EAPCh. 1 - Prob. 32EAPCh. 1 - Prob. 34EAPCh. 1 - Thinking About Scale. One key to success m science...Ch. 1 - Prob. 36EAPCh. 1 - A Human Adventure. Astronomical discoveries...Ch. 1 - Prob. 38EAPCh. 1 - Group Activity: Counting the Milky Way’s Stars....Ch. 1 - Prob. 40EAPCh. 1 - Prob. 41EAPCh. 1 - Prob. 42EAPCh. 1 - Prob. 43EAPCh. 1 - Prob. 44EAPCh. 1 - Moonlight and Sunlight. How long does it take...Ch. 1 - Prob. 46EAPCh. 1 - Driving Trips. Imagine that you could drive your...Ch. 1 - Prob. 48EAPCh. 1 - Prob. 49EAPCh. 1 - Age of the Universe. Suppose we did not yet know...
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- 1. The sun is approximately 1.5x1011m from the Earth. About how long does it take for sunlight to travel through space to illuminate our planet? A. 11 minutes B. 4 minutes C. 8 minutes D. 2 minutesarrow_forward4. Write in scientific notation. (a) Speed of light in a vacuum = 298 000 000km/s (b) One light year = 10 000 000 000 000km Learning Activity 3: Problem Solving Directions: Identify the given quantities and solve for the unknown quantities. BOX the final answer. Do it in your notebook. 1. The temperature of a windshield on a winter morning is 10°F. If the melting point is 0°C, how many degrees must the temperature of the windshield be raised before the ice can melt?arrow_forwardAstronomers use a light-year to measure distance. A light-year is the distance light travels in one year. The speed of light is approximately 300,000 km/sec.a. How long is 1 light-year in kilometers?b. The nearest star (other than the sun) is Alpha Centauri. It is 4.34 light-years from Earth. How far is that in kilometers?c. How long will it take a rocket traveling 42,000 km/hr to reach Alpha Centauri?arrow_forward
- Which of the following explain why far infrared astronomy must be done from high-flying aircraft? a. Far infrared radiation is absorbed low in Earth’s atmosphere. b. Far infrared photons are quite energetic. c. Far infrared telescopes are not very heavy. d. Far infrared sources are very bright. e. None of the above are correct.arrow_forward1.Convert a density of 2.79 g/cm3 to kg/cm3 2. One light year is the distance traveled by light in a year. Convert one light year to meter using 3x108m/s for the speed of light. (Hint; d=vt) 3.A density of 5400 kg/m3 is equal to g/cm3 4. Which statement is true? a. PRECISE MEASUUREMENTS ARE ACCURATE b.ACCURATE MEASUREMENTS ARE PRECISE c.PRECISE MEASUREMNETS CAN BE INACCURATE d.INACCURATE MEASUREMENTS CANNOT BE PRECISE 5.the components of vector Q are given as follow: Qx=23.5m Qy=18.6m a.38.40 b. 47.90 c.56.30 d. 620arrow_forwardOne of the disadvantages of a radio telescope compared to a reflecting optical telescope is its inability to a. reveal finer detail. b. detect cool hydrogen. c. see through interstellar dust. d. see some of the most distant objects in the universe.arrow_forward
- If a luminous object were moved to one-half the original distance, it would appear a. one-half as bright. b. just as bright. c. twice as bright. d. four times brighter. e. eight times brighter.arrow_forward1. What is the nature of light? explain enougharrow_forward3. A radio station transmits radio waves that has a frequency (v) of 89.5 MHz (megahertz). (A) What is the wavelength (2) of these radio waves in units of meters (m)? I Hints: There is a unit conversion involved in the problem for 'megahertz' to Hertz. Which equation from Chapter 5 should we use to solve for the wavelength here? What is the value of the speed of light (c)? Show work for each step. Include units and observe proper sig figs and rounding in your answer. (B) Calculate the energy (Ephoton) of a single photon of these radio waves in units of Joules. Hints: Which equation from Chapter 5 should we use here? What is the value of the Planck's constant (h)? Show work for each step. Include units and observe proper sig figs and rounding in your answer.arrow_forward
- 3. How long will it take light moving at 300,000 km/s to reach us from the sun? The sun is 150,000,000 km from earth.arrow_forwardIf the speed of light is 3.00105 km/s. how many kilometers is 1 light-year? How many meters? (Note: One year contains 3.16107s )arrow_forward2. What is the mass of a photon with wavelength, 628nm (red light). What is the energy of the photon? What is the mass of a photon that has a zero velocity?arrow_forward
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