How much of the universe appears to be the normal ordinary matter? Group of answer choices 50% 95% 100% 5%
Q: About how much of the universe is believed to be composed of dark energy? O 68-73% O 10-12% O 4-5% O…
A: We know very less about the universe . and said universe is expand . the maximum thing is unknown…
Q: As the Universe becomes older, what effect will that have on a slope of the Hubble's diagram: It…
A: Doppler effect in light is the change in frequency of light observed by the observer when the source…
Q: How do physicists measure the expansion rate of the universe?
A: How do physicists measure the expansion rate of the universe?
Q: Is there a way to quantify Dark Matter?
A: Required : Is there a way to quantify Dark Matter ?
Q: What has occurred after the Big Bang? Objects in the universe have reached a critical density.…
A: The big bang is how astronomers describe the way the universe started. It is the vision that the…
Q: As the universe expands, which type of cosmic energy has a density that falls off most quickly? 1.…
A:
Q: Describe some of the characteristics of the universe that are explained by the standard Big Bang…
A: Given, Big Bang theory of universe
Q: Is there a way to quantify Dark Matter?
A: Required : Is there a way to quantify Dark Matter.
Q: What is the strongest piece of evidence for the existence of dark matter? O As stars die, they…
A: The strongest piece of evidence for the existence of the dark matter is "The orbital speed of the…
Q: Time period of rotation of a blackhole is 5.52 milliseconds. What is the frequency of rotation in SI…
A: Given data: Time period of rotation of a blackhole is, T=5.52 ms=5.52×10-3 s.
Q: Dark matter experiments are built underground to avoid detecting which type of particle? Group of…
A: In order to reduce the noise level signals caused by Cosmic Rays at Earth's surface, dark matter…
Q: About what percentage of the universe is believed to be composed of normal matter? O 5% O > 22% O…
A: 68% of the matter is dark energy. 27% of the matter is dark matter. Rest less or equal to 5% is…
Q: Hubble's Law Constant provides the following information about the observable universe: galaxies…
A: Hubble's law constant, often denoted as H₀ provides an estimate of the current rate of expansion of…
Q: What exactly is dark matter?
A: Particles that do not absorb, reflect, or emit light, hence cannot be detected by electromagnetic…
Q: Estimate the temperature of the universe when it was approximately 1 minutes old
A: Our universe is thought to be formed from a singularity of infinite density and temperature. It…
Q: Put these in order from smallest to largest Universe Galaxy Solar system Distance between earth and…
A: Here we arrange these things on the bases of their size in increasing order.
Q: Helium is common element in the Universe. True/False
A: Hey, since there are multiple questions posted, we will answer first question. If you want any…
Q: _______ is the hypothetical form of energy that produces a force that opposes gravity and is thought…
A:
Q: There exists an element visible in the spectrum of galaxies that shows the following spectra when…
A: Introduction: The Doppler effect refers to the apparent shift in the wavelength of a wave when there…
Q: The temperature of the universe is 2.76 K. What is the wavelength of the cosmic background…
A:
Q: About how long after the Big Bang singularity did nuclei such as deuterium and helium-4 form? Group…
A: We know that at the time of the Big Bang, the plasma was so dense and hot that nucleons could not…
Q: After the Big Bang the Universe expanded and cooled. What was the temperature of the Universe when…
A: All of the universe's matter and energy were once concentrated in a singularity with infinite…
How much of the universe appears to be the normal ordinary matter?
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- The discovery of the dark energy was a surprise because astrophysicists generally assumed that the expansion would be slowing down. Select one: True FalsePlace all of the following in order from earliest to the most recent: Dark energy begins acceleration of the expansion of the universe You study for your final in astronomy Last scattering of the Cosmic Microwave Background Radiation First stars and galaxies form Big Bang Universe becomes transparent (no longer opaque) aka photon decoupling time Inflationary Epoch Formation of first complex elements (hydrogen isotopes, helium & lithium)Please list 4 different forms of energy present in the universe?