UNDERSTANDING THE UNIVERSE(LL)-W/CODE
3rd Edition
ISBN: 9780393869903
Author: PALEN
Publisher: NORTON
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Question
Chapter 16, Problem 34QAP
To determine
The event that occurred as the universe expands after the Big bang; the reason why it is important.
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Check out a sample textbook solutionStudents have asked these similar questions
What are the three important pieces of evidence that led scientists to accept the Big Bang as
the most likely model for the origin of the universe?
Does Hubble's Law work well for galaxies in the Local Group (such as Andromeda)?
No, because dark energy is accelerating the universe's expansion over those distances.
No, because we do not know the precise value of Ho.
No, because Hubble did not know the Local Group existed when he discovered his law.
Yes, it works well for all galaxies.
No, because galaxies in the Local Group are bound gravitationally together.
What has occurred after the Big Bang?
Objects in the universe have reached a critical density.
Objects that were once close together have moved apart as space expanded.
Space expanded without affecting the distances between objects.
Objects that were once close together have expanded apart into already existing space.
Chapter 16 Solutions
UNDERSTANDING THE UNIVERSE(LL)-W/CODE
Ch. 16.1 - Prob. 16.1CYUCh. 16.2 - Prob. 16.2CYUCh. 16.3 - Prob. 16.3CYUCh. 16.4 - Prob. 16.4CYUCh. 16.5 - Prob. 16.5CYUCh. 16.6 - Prob. 16.6CYUCh. 16 - Prob. 1QAPCh. 16 - Prob. 2QAPCh. 16 - Prob. 3QAPCh. 16 - Prob. 4QAP
Ch. 16 - Prob. 5QAPCh. 16 - Prob. 6QAPCh. 16 - Prob. 7QAPCh. 16 - Prob. 8QAPCh. 16 - Prob. 9QAPCh. 16 - Prob. 10QAPCh. 16 - Prob. 11QAPCh. 16 - Prob. 12QAPCh. 16 - Prob. 13QAPCh. 16 - Prob. 14QAPCh. 16 - Prob. 15QAPCh. 16 - Prob. 16QAPCh. 16 - Prob. 17QAPCh. 16 - Prob. 18QAPCh. 16 - Prob. 19QAPCh. 16 - Prob. 20QAPCh. 16 - Prob. 21QAPCh. 16 - Prob. 22QAPCh. 16 - Prob. 24QAPCh. 16 - Prob. 25QAPCh. 16 - Prob. 26QAPCh. 16 - Prob. 27QAPCh. 16 - Prob. 28QAPCh. 16 - Prob. 29QAPCh. 16 - Prob. 30QAPCh. 16 - Prob. 31QAPCh. 16 - Prob. 32QAPCh. 16 - Prob. 33QAPCh. 16 - Prob. 34QAPCh. 16 - Prob. 35QAPCh. 16 - Prob. 36QAPCh. 16 - Prob. 37QAPCh. 16 - Prob. 38QAPCh. 16 - Prob. 39QAPCh. 16 - Prob. 40QAPCh. 16 - Prob. 41QAPCh. 16 - Prob. 42QAPCh. 16 - Prob. 43QAPCh. 16 - Prob. 44QAPCh. 16 - Prob. 45QAP
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- Is a cosmologist an astronomer? Is an astronomer a cosmologist? Why do you think so?arrow_forwardWhy cant an open universe have a center? How can a closed universe not have a center?arrow_forwardIf all distant galaxies are expanding away from us, does this mean we’re at the center of the universe?arrow_forward
- How does the darkness of the night sky tell you something important about the age and size of the observable universe?arrow_forwardWhere are you in the Universe? If you had to give directions to your location in the Universe, what directions would you give?arrow_forwardF2 3 #m E Which of the following did NOT happen during the first few minutes after the Big Bang? D O matter and antimatter collided and turned into energy O two or three of the simplest elements fused together O temperatures throughout the universe were hotter than the cores of stars are today some very massive early stars formed с O energy was converted to matter F3 $ 4 R F F4 Q Search % 5 V F5 T ㅁ G O 6 F6 Y B H F7 & 7 COO PrtScn с F8 8 Home L J umien A F9 Aunty Bindungen in Surinam 9 www.mark N M End K F10 Oarrow_forward
- Olbers’s paradox deals with which of these questions? a. Is the universe accelerating? b. Why is the sky dark at night? c. Is the universe expanding? d. Why does the sun shine so brightly? e. none of the abovearrow_forwardIf a galaxy is 9.0 Mpc away from Earth and recedes at 488 km/s, what is H0 (in km/s/Mpc)? km/s/Mpc What is the Hubble time (in yr)? years How old (in yr) would the universe be, assuming space-time is flat and the expansion of the universe has not been accelerating? How would acceleration change your answer? A.If the expansion of the Universe has been accelerating, the Universe could be substantially younger than the value entered above. BIf the expansion of the Universe has been accelerating, the Universe could be substantially older than the value entered above.arrow_forwardWhich of the following were given as evidence supporting the Big Bang Theory? The red shift in star spectra Microwave energy across the universe at approximately 3 degrees Kelvin The abundance of light elements in the universe a I only b II only c I and II only d I, II, and IIIarrow_forward
- Astronomers recently claimed to have discovered the most distant galaxy known. How would they have determine this distance?arrow_forwardGalaxy NGC 2342 has a velocity of 5,690 km/s and is at a distance of 74 Mpc away. What is the value of the Hubble constant based upon these values? Galaxy NGC 4442 is 120 Mpc away. If the Hubble Constant is 68 km/s/Mpc, how fast should NGC 4442 be moving due to the expansion of the Universe?arrow_forwardThe cosmic microwave background consists of: huge clouds of dark matter interspersed with equally huge clouds of H and He enormous cold voids separating warmer filaments of young protostas and protogalaxies denser areas of slightly warmer Hydrogen mixed with slightly less dense areas of slightly cooler Helium an enormous number of photons, particles of light that emerged after the Big Bang atoms of H and He, dark matter, and an immense amount of energy MacBook Air DII DD 30 D00 000 F7 F8 F9 F4 F5 F6 & 4 8 R Yarrow_forward
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