Answer:
- the first direct detection of gravitational waves came in 2015
- gravitational waves are predicted to travel through space at the speed of light
- the existence of gravitational waves is predicted by Einstein's general theory of relativity
Explanation:
The gravitational waves are waves that are produced by the objects, and depending on the mass of the object they can be stronger or weaker in their influence.
These waves have been in the minds of the scientists for more than a century now, with Einstein predicting them in his theory of relativity. The only problem with these waves was that there was no proof of them. The proof finally came in 2015 when these waves were detected from the first time, with two black holes to be thanked for that as they were the source of them.
These waves are predicted to be able to travel with the speed of light through space when they have small amplitudes.
Final answer:
Gravitational waves are ripples in spacetime predicted by Einstein's general theory of relativity, traveling at the speed of light and carrying energy from their source. The first direct detection by LIGO occurred in 2015, confirming Einstein's theory.
Explanation:
Gravitational waves are a fascinating prediction of Albert Einstein's general theory of relativity. These ripples in spacetime are caused by some of the most violent and energetic processes in the universe such as collisions between black holes or neutron stars, or by supernova explosions. Einstein's theory suggests that these waves travel at the speed of light and carry energy away from their source.
The first direct detection of gravitational waves was indeed made in 2015 by the LIGO (Laser Interferometer Gravitational-Wave Observatory) collaboration. This historic event confirmed Einstein's predictions and marked the beginning of a new era in astrophysics, providing a fresh means of observing and understanding the universe.
What bodies of water surround north and south korea
The bodies of water that surround North Korea and South Korea are the Sea of Japan, Korea Strait, the East China Sea, the Yellow Sea, and the Bay of Korea.
Explanation:
The half in northern of the Korean peninsula is comprised of the country of North Korea and the southern part makes up the country of South Korea. On the western side of North Korea lies the Bay of Korea, and on the east lies the Sea of Japan.
The Yellow Sea lies to South Korea in west. To the south of South Korea, East China Sea, Korea Strait lies in the southeast and the east, Sea of Japan.
North and South Korea are surrounded by several bodies of water like
1. Yellow Sea (West): To the west of the Korean Peninsula lies the Yellow Sea. This body of water separates the Korean Peninsula from China, and it borders both North Korea and South Korea.
2. Sea of Japan (East Sea): To the east of the Korean Peninsula is the Sea of Japan, known as the East Sea in South Korea. This sea separates the Korean Peninsula from Japan.
3. Korea Strait (South): The Korea Strait lies to the south of the Korean Peninsula, separating it from the Japanese island of Kyushu. It connects the Sea of Japan to the East China Sea.
These bodies of water play significant roles in the geography, economy, and geopolitical dynamics of both North Korea and South Korea, influencing trade, transportation, and strategic considerations in the region.
The fauna and flora of australia are very different from those of the rest of the world. Why might this be true?
The unique fauna and flora of Australia can be attributed to several factors, including the continent's long isolation, different biogeographic realms, and human activities. Australia's isolation has allowed for the development of distinct species, while the introduction of new species and the impact of human activities have further shaped the biodiversity of the country.
Explanation:The unique fauna and flora of Australia can be attributed to several factors. One reason is the continent's long isolation from the rest of the world. Australia has been geographically separated from other land masses for millions of years, allowing for the development of distinct and diverse species. Additionally, the introduction of new species by European colonizers has further contributed to the unique biodiversity of Australia.
Another factor is the different biogeographic realms that Australia falls under. The region is separated from Asia by lines such as Wallace's Line and Weber's Line, which represent divisions in species development between the two sides. This separation has led to the evolution of unique plant and animal species in Australia.
Furthermore, human activities have also impacted the biodiversity of Australia. The southwest region of the country, for example, is considered a biodiversity hotspot but has experienced significant loss of native vegetation due to agriculture and land development.
what is/are responsible for creating variation in climate and weather at different latitudes?
A. different levels of sunlight
Answer:
Varying amounts of sunlight falling over different latitudes is what is responsible for the variations in weather and climate
Explanation:
The greater the latitude of a given place means that it is farther away from the equator and hence the Sun's rays reach the place at a sharper angle thus causing the rays to be spread across a greater area. And hence a place which is very far away from the equator will have less heat than a place that is nearer to the equator. The Earth's axis as we know is tilted. This tilt is responsible for the variation in the amount of sunlight a latitude receives during different seasons.
The name of the narrow belt of high-speed wind in the stratosphere is the
Answer: Narrow belts of strong winds at high altitudes which blow near the top f the troposphere are Jet Streams
What conditions are needed for a hurricane to form?
Answer:
Air from surrounding areas with higher air pressure pushes in to the low pressure area. Then that "new" air becomes warm and moist and rises, too. As the warm air continues to rise, the surrounding air swirls in to take its place. As the warmed, moist air rises and cools off, the water in the air forms clouds. The whole system of clouds and wind spins and grows, fed by the ocean's heat and water evaporating from the surface.
Source: https://spaceplace.nasa.gov/hurricanes/en/
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A hurricane needs warm ocean water above 80 °F, rapid air ascent, condensation, cyclonic motion influenced by the Coriolis force, and a progression from a tropical depression to a named storm, and finally to a hurricane upon reaching wind speeds of 74 mph. These conditions are more prevalent in the tropics, leading to hurricanes that are extremely dangerous because of their devastating wind speeds and heavy rainfall.
Explanation:The conditions needed for a hurricane to form include warm ocean water with temperatures above 80 °F, which is crucial for the formation of these intense storm systems. This warm water leads to rapidly rising humid air. As the air rises, it cools, condenses, and can result in heavy rains. A critical feature of hurricanes is their cyclonic motion, influenced by the rotation of the earth, leading to a counterclockwise rotation of storms in the Northern Hemisphere and a clockwise rotation in the Southern Hemisphere due to the Coriolis force. Hurricanes start as tropical depressions, progress to being named tropical storms, and upon reaching wind speeds of 74 mph, are classified as hurricanes.
Hurricanes are most prevalent in the tropics because of the available warm water and favorable atmospheric conditions. These storms can be incredibly dangerous due to their potential to cause torrential rainfall, high winds (exceeding 100 mph), and significant property damage. The destructiveness of hurricanes is further exacerbated by the cubic relationship between wind velocity and destructive power, explaining why a hurricane's wind force can lead to massive destruction.
How does glacial ice move?
The sheer weight of a thick layer of ice, or the force of gravity on the ice mass
About _____ of the co2 produced by humans during the past century has been absorbed by the ocean.
Answer: About 1/3 of the co2 produced by humans during the past century has been absorbed by the ocean.
In 1831, French explorer Jules Dumont d’Urville proposed dividing the Pacific Island region into three groups based on geography and culture. The island groups were __________.
Answer:
Melanesia, Micronesia, and Polynesia
Explanation:
Melanesia is a group of bigger islands located just NorthEast of Australia, that goes from New Guinea to Fiji.
Micronesia is a series of smaller islands located NorthEast of New Guinea that extend up to Wake and Kiribati.
Polynesia is a large collection of about 10,000 small islands forming roughly a triangle between New Zealand, Hawaii and Easter Island.
Answer:
The answer is B
Explanation:
What is the only u.S. State with the union jack on its flag?
Answer:Hawaii
Explanation:
What bay is bordered by india and bangladesh
The Bay of Bengal is located in Asia and borders four countries:
Bangladesh to the north, Myanmar to the east and India and Sri Lanka to the west.
Many of the main rivers of India flow from the west into this portion of the Indian Ocean.
It should be noted, that it is considered the largest bay in the world and due to its location, the waters of the Bay of Bengal has a constant maritime traffic and is of great strategic importance for the southern part of the Asian continent.
Where was the first wildlife refuge formed in 1903?
Answer:
Pelican Island, Florida
Explanation:
The first wildlife refuge was created in 1903 by President Theodore Roosevelt.
It was created to protect egrets and other birds of the area from extinction due to the practice of plume hunting, which consists in hunting birds not their meat but only for their feathers. Some bids feathers, like the egret, were particularly appreciated for their beauty and used in hats and other pieces of clothing.
How do the sun’s gravity and the earth’s inertia keep us orbiting in the solar system?
Answer:
planets have a tendency to resist changes to their direction and speed of movement, This tendency to resist change is called inertia, and its interaction with the gravitational attraction of the sun is what keeps the planets of the solar system, including Earth, in stable orbits.
Answer:
Look at the explanation
Explanation:
planets have a tendency to resist changes to their direction and speed of movement, This tendency to resist change is called inertia, and its interaction with the gravitational attraction of the sun is what keeps the planets of the solar system, including Earth, in stable orbits.
Africanized honeybees are genetically engineered bees that escaped from a research lab in Brazil. The Africanized bees are more aggressive than native species and are slowly replacing native species in Brazilian rain forests. Which statement best explains competition between native species and Africanized honeybees?
Question 8 options:
The Africanized bees deplete the resources native bees need to survive.
The native species are not reproducing as fast as the Africanized bees due to parasites.
The two species occupy the same ecological niche and compete for abiotic factors only.
The Africanized bees kill the native bees.
Answer:
The Africanized bees deplete the resources native bees need to survive.
Explanation:
The two bees species occupy the same niche and hence compete for resources. Because the Africanized bees are more aggressive, they have an advantage and therefore outcompete the native bees for the same resources. Therefore, over generations more Africanized bees are able to pass their genes to the next generation than native bees.
Answer:
a
Explanation:
i took the test
The Earth has height, width, and depth. This means that it exists in _____ dimensions. A. four B. three C. two D. one Please select the best answer from the choices provided A B C D
ANSWER:
The height, depth and width within anybody signifies that the object on the particular element is three dimensional.
EXPLANATION:
The correct answer to the current question is three dimension because the earth has all three elements. If any one of the three dimension were missing the earth would be a two dimensional space. We would like flat bread or simple art drawn on paper if any of the given dimension was non existent.
Answer:
b
Explanation:
got it right on edge
"what if a galaxy was not tilted but was positioned toward us perfectly face-on, so stars in the galaxy are neither approaching nor receding from us, from our point of view. would the tully-fisher technique work?
Answer:
yes
Explanation:
Because no matter what we are gonna be on a sphere so there is no telling.
Answer:
No, the Tully-Fisher technique wouldn't have worked in such a scenario.
Explanation:
For the Tully-Fisher technique to work, it is required that our view of the stars allows us to read their motion. If a galaxy would be in a position facing perfectly towards us, it would've been impossible to read whether the galaxy is moving towards us or away from us. In that case, the Tully-Fisher technique would fail and our distance from the galaxy would be incalculable.What percent of the universe is dark matter?
Dark matter makes up about 27% of the universe.
What peninsula is occupied by spain and portugal
Answer:
Iberian Peninsula
Explanation:
1990 marked its independence from south africa
Answer:
Namibia
Explanation:
Namibia is a country located in the southern part of the African continent. It was a German colony, being named West South Africa during that period of time. The country was granted independence by Germany, but that didn't lasted long as RSA saw it as one of its provinces, so it used its military superiority and invaded the country. There has been numerous incidents and conflicts during the South African invasion, and the UN had to react in order to put things under control. Under heavy international pressure, with the guidance and monitoring of the UN, RSA granted independence to Namibia, so the country located along the western coastline of Southern Africa became independent again.
19. Which effect is used in a turbine to convert mechanical energy into electricity? Please explain.
A. Photosynthesis
B. Electromagnetic induction
C. Nuclear fission
D. Coalification
I think it’s b
A battery converts chemical energy into electricity, and a solar cell produces electricity from the sun's energy, but if you want to produce electricity from mechanical energy, you need an induction generator. These generators can be small enough to power a crank-style flashlight or large enough to energize entire cities, but all work on the principle of electromagnetic induction, discovered by Michael Faraday, the 19th-century English physicist and inventor. Today, induction generators running on a variety of fuels supply electricity for most of the world's population.
Faraday's induction experiment is probably one of the most important in physics, and it was a relatively simple one. He coiled a length of conductive wire around a circular core and connected the wire to a meter. He found that moving a magnet through the center of the circle caused current to flow in the wire. The current stopped when he stopped moving the magnet, and it flowed in the opposite direction when he reversed the direction of the magnet. He later formulated the law of electromagnetic induction, now known as Faraday's Law, which related the strength of the current to the magnitude of the change of the magnetic field, also known as magnetic flux. The strength of the magnet, the number of coils around the core and the characteristics of the conducting wire all influence calculations for real-world generators.
Whether located inside a household utility generator, your car or a nuclear power plant, generators generally incorporate the same features. They include a rotor with a hollow core that rotates around a stator. The stator is typically a powerful magnet, while the coils that carry electricity are wound around the rotor. In some generators, the coils are wound around the stator and the rotor is magnetized. It doesn't matter. Either way, electricity will flow.
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In which state is the mississippi river delta located
Answer:
Louisiana
Explanation:
In the Gulf of Mexico
What city does the prime meridian pass through
the answer is Greenwich, England.
Which process cause wells on land to become saline making them unusable for drinking water
Answer:
C. Ground water infiltration
Explanation:
Ground water infiltration can cause wells on land to become saline making them unusable for drinking water.
When rain falls down, it will sip into the ground. It might encounter minerals (like salt) along its path and dissolve them until it reaches a reservoir.
That reservoir could be the well itself, but it's most likely it will be another natural reservoir nearby, in which the salt and minerals concentration will raise gradually... then that second reservoir will somehow connect with the well, contaminating its water.
Why would there be earthquakes at a divergent boundary?
Answer:
Because there will be the boundary that are going away from each other.
Explanation:
A divergent boundry causes them to go away from each other causing ther to be a shift in the tectonic plates hense creating an earthquake.
4. What does Einstein's theory of relativity explain? Please explain
A. How magnetism reverses the fields of the poles
B. How light interacts with moisture
C. How gravity interacts with planets
D. How light interacts with gravity
General Relativity is based on the equivalence principle, which expresses the following:
A gravitational force and an acceleration in the opposite direction are equivalent, both have indistinguishable effects.
In other words, for general relativity, gravitational force and acceleration in the opposite direction have the same effect.
Then, in the case of light:
In the absence of accelerations photons travel in a straight line, but if we move quickly (accelerate), we will see how the trajectory of the photon curves.
But, how is this possible is photons has no mass and cannot be affected by gravity?
Because of the equivalence principle.
As acceleration equals a gravitational force, then gravity diverts light.
This effect is more evident in distant galaxies, which can act as gravitational lenses. So, in this way the rays of light are deflected if there is a mass accumulation nearby.
Answer: Einstein's theory of relativity explain how light interacts with gravity.
What are the four ways tectonic plates intersect with one another
Answer:
- Convergent plate boundary
- Divergent plate boundary
- Transform fault plate boundary
- Plate boundary zone
Explanation:
The convergent plate boundaries are the places where the tectonic plates collide. One of them subducts below the other, and gradually gets melted into the astenosphere. They cause formation of mountain ranges as they lift up the surrounding area.
The divergent plate boundaries are the places where the plates are moving away from one another. At these boundaries we have the formation of new crust, with its trade mark feature being the mid-ocean ridge.
The transform plate boundaries are the places where the plates are moving past each other, with both of them moving in opposite direction and sliding against one another. They create lot of stress to the surrounding area, often resulting in the formation of faults parallel to the boundary.
The plate boundary zones are the places where the boundary is very complicated and can not be put into a single category. At these places there's numerous micro plates that have different interactions with the large plates as well as between each other.
To the nearest million how big is asia in square miles
Answer:
17.2 million
Explanation:
I've seen this before in a quiz and remember the answer
The size of Asia, to the nearest million, is approximately 17 million square miles. This makes it the largest continent on Earth.
Explanation:The size of Asia in square miles, to the nearest million, is approximately 17 million square miles. This makes it the largest continent on Earth, containing around 30% of the world's total land area. It spans from the eastern coast of Japan to the western edge of Russia, and from the Arctic Ocean in the north to the Indian Ocean in the south.
Learn more about Size of Asia here:https://brainly.com/question/9814690
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What causes the thickness of the crust to vary?
We have several layers of crust but they separated because of the desity level differences. The lighter material cruet layers rose upwards and the heavier materials caused them to drop further down
Which is farther east newfoundland or puerto rico
Answer:
Newfoundland
Explanation:
Let's take a look at both locations and find their eastern-most point.
Newfoundland:
we'll take the capital (St. John's) in reference because it's pretty much the eastern-most point.
Latitude: 47.4815685
Longitude: -53.1085765
Now, let's look at Puerto Rico:
we'll take the Punta del Este, on the island Culebrita:
Latitude: 18.312056
Longitude: -65.220939
To see which is the farther East (we'll assume from continental USA), we need to look at the longitudes, which are the vertical lines on the globe.
Since Newfoundland is at -53 degrees, and Puerto Rico is at -65 degrees, Newfoundland is closer to the Longitude 0 (Greenwich), so it's the one farther East from the continental USA.
Newfoundland is farther east than Puerto Rico since its easternmost point has a lower longitude value (approximately 52.6 degrees West) compared to Puerto Rico's easternmost point (approximately 65.3 degrees West).
The question at hand is about the geographical position of Newfoundland and Puerto Rico in relation to longitude, particularly which location is farther east. Newfoundland, located in Canada, is part of the easternmost province of Newfoundland and Labrador. Its most easterly point is Cape Spear, which has a longitude of about 52.6 degrees west. On the other hand, Puerto Rico is a Caribbean island with its easternmost point, Punta Mulas, near a longitude of 65.3 degrees west. Since lower longitudinal values are farther east, Newfoundland is indeed farther east than Puerto Rico.
Both of Tim's parents have brown eyes, but Tim has blue eyes. How is this possible? A. Eye color is not a genetic trait. B. This characteristic (blue eyes) must be carried in the dominant gene. C. The characteristic (blue eyes) is carried in a recessive gene. D. all of these
Answer:
your answer is (C): recessive gene
~Hope this helps~
Answer:
the answer is recessive gene or C
Explanation:
The disks of spiral galaxies appear blue because
the disks of spiral galaxies appear blue because:
spiral galaxies are still undergoing star formation
Hope this helps:)