What are the evidences for dark matter?
Q: The cosmic microwave background consists of: huge clouds of dark matter interspersed with equally…
A: Cosmic microwave background also known relic radiation. Cosmic microwave background is kind of…
Q: How do physicists measure the expansion rate of the universe?
A: How do physicists measure the expansion rate of the universe?
Q: What are the three main types of galaxies, and what are the peculiarities? What type is the Milky…
A: There are three main types of galaxies. They are, spiral galaxies, elliptical galaxies, and…
Q: Is antimatter, dark matter, dark energy, and degenerate matter all t
A: Antimatter, dark matter ,dark energy and degenerate matter are not all the same thin. Antimatter:…
Q: What is a mass difference, and how does it arise?
A: To explain: Mass difference.
Q: How do black holes form and what is their effect on the surrounding universe?
A: One of the strangest things in the universe is Blackholes. Blackholes are highly massive and the…
Q: What do you mean by dark matter?
A: Dark matter is composed of particles that do not absorb, reflect, or emit light, so they cannot be…
Q: What is the densest subsatnce in the universe?
A: At a modest temperature and pressure the most densest element on Earth surface is Osmium.
Q: What if the Andromeda galaxy were to disappear How long before we would notice?
A: About 2.5 million light-years separate our solar system from the Andromeda galaxy. If it vanished,…
Q: What is Big Bang theory?
A: Astronomers have given several theories and facts for the galaxies moving away from our galaxy.…
Q: How much of the universe appears to be the normal ordinary matter? Group of answer choices 50% 95%…
A: CONCEPT: Among the whole universe, only a small part is visible and the remaining part is…
Q: Dark energy
A: Dark Energy is a hypothetical form of energy that exerts a negative, repulsive pressure, behaving…
Q: Which galaxies are moving the fastest away from us?
A: Our nearest galaxy is Milky way.
Q: How did Harlow establish the sun's position in the galaxy and the galaxy's size?
A: Given How did Harlow establish the sun's position in the galaxy and the galaxy's size, as following…
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: How do we measure Dark Matter?
A: Two methods were used by DES scientists to measure dark matter. Firstly, maps of galaxy positions as…
Q: How do gamma-ray bursts provide insights into the most energetic events in the universe?
A: Gamma-ray bursts (GRBs) are extremely energetic explosions that have been observed in distant…
Q: What type of galaxy does this picture represent? O Elliptical O Irregular O Spiral
A: The galaxy of the shape of an ellipse is known as an elliptical galaxy.
Q: State the grand unified theory.
A: There are four fundamental forces in nature: Electromagnetic forces. Gravitational forces. Strong…
Q: Is the universe open or closed?
A: the universe as "closed," "open," or "flat," meant that the density of the universe was either so…
Q: Is Hubble's law applicable in another planet or galaxy?
A: In this question we have to answer whether the Hubble's Law is applicable in another planet or…
Q: How black holes made us?
A:
Q: Make a web search and explain in your own words dark energy and dark matter ( in astronomy )
A: Our universe is dominated by mysterious and invisible form of matter and energy. Universe consist…
Q: State three differences between the elliptic galaxy and the spiral galaxy.
A: Elliptic galaxy : the shape of elliptical galaxies are like a spheroid, or we say elongated sphere.…
Q: What does the redshift of the galaxies tell us about their motion with respect to the Earth?
A: The displacement of the spectrum of an astronomical object toward longer wavelength (red) due to the…
Q: Under what circumstances would the slope of the best-fitted line in Figure decrease:
A: Required The correct choices.
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: Why is the discovery of dark matter and dark energy so important to our understanding of the…
A: Dark matter and dark energy are one of the mysteries of the universe that are not fully understood.…
Q: What is “dark energy”? What is “dark matter”? Why do some scientists think it is everywhere, while…
A: We live in a universe where a lot of space seems to have nothing but a vacuum. A majority portion of…
Q: The presence of dark energy affects to the way the Universe is expanding. Select one: True False
A: Dark energy is a hypothetical form of energy which acts opposite to gravity. It occupies the…
Q: Why Is It Not Easy To Quantize Gravity?
A: It is not easy to quantize gravity because constants involved in gravitational interaction such as…
Q: How do galaxies form?
A: Two leading theories describe how the first galaxies were created. One says galaxies were born when…
Q: Most of our universe is now thought to be made from Dark energy Dark matter Normal matter O…
A: Universe in which we live is made of different matters and energy. After the Hubble gave the theory…
Q: How do we know galaxies are moving away from us?
A: Electromagnetic radiations are affected by the Doppler shift. When the source is in relative motion…
What are the evidences for dark matter?
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