No astronomical object that produces a continuous visible spectrum of light has ever been observed. However, there are many astronomical objects that produce emission or absorption spectra. Read the following descriptions of astronomical objects, and then sort the labeled images into the appropriate bins according to the type of spectrum each object produces. Drag the appropriate objects to their respective bin.
- Emission nebula: a cloud of hot, interstellar gas glowing as a result of one or more nearby young stars that ionize the gas.
- Planetary nebula: a glowing cloud of hot, low-density gas that is ejected from a red-giant star.
- Sun: a glowing ball of extremely dense gas powered by nuclear fusion in its core, but surrounded by a low-density, cooler atmosphere.
- Atmosphere on Titan: a layer of cool, low-density gas confined close to the surface of Titan, one of Saturn's moons.
Answers
Emission spectrum
- (image 1) emission nebula
- (image 2) planetary nebula
Absorption spectrum
- (image 3) atmosphere on Titan
- (image 4) Sun
Related Questions
What are the basic components of a simple spectroscope?
Check all that apply.
- A detector
- An eyepiece or screen
- A mirror
- A slit
- A prism
Answers
- A slit
- A prism
The scientific method:
A. removes experimenter bias from having an impact on research.
B. emoves participant bias from having an impact on research.
C. helps to minimize the impact of human errors in thinking.
D. ensures that all variables have full reliability and validity.
Answers
Answer:
D. ensures that all variables have full reliability and validity.
Explanation:
The scientific method ensures that all variables have full reliability and validity. The correct option is D.
What is a scientific investigation?A plan for raising questions and putting potential solutions to the test is scientific research. Observations are frequently the first step in scientific research. Questions frequently follow observations.
A hypothesis is a potential explanation for a scientific question based on current scientific understanding.
Making conjectures (hypothetical explanations) is a step in the scientific method. Predictions are then derived from the hypotheses as logical conclusions, and experiments or actual observations are conducted based on those predictions.
Therefore, the correct option is D. this ensures that all variables have full reliability and validity.
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Shown following are the primary mirror arrangements and total light-collecting area of five different telescopes. Each mirror uses a different segmented arrangement, but assume that they are all equivalent in quality and in their ability to focus light. Also assume that the telescopes use identical detectors and have the same observing conditions. Rank the telescopes from left to right based on their ability to detect very dim objects, from greatest to least. To rank two (or more) telescopes as equal, drag one on top of the other(s).
Answers
(all options in the middle)
Least ability
The ability to detect the object depends on the surface area of the mirrors, given that the surface area is 100 m² for all the telescopes and the surface area for all the telescopes are equal. Hence, all the telescopes have equal ability to detect very dim objects, and all are placed in the same category.
Chicken prices have not decreased, but consumers buy chicken in increased quantities because prices for beef and pork have risen. How does this affect the demand curve for chicken?
Answers
Answer:
it affects it cuz since chicken price hasn't decreased or increased from it's original price the consumers find it better to buy the chicken than the beef and pork than has risen in price
Explanation:
i
Cook and Logan discuss many factors that have led to the the racial wealth gaps we see today. Which of the following is not a factor that they discuss?
Group of answer choices
Blacks were disproportionately in the rural South in the years following emancipation.
Affirmative action policies, intended to counter discrimination, actually led to greater stereotyping and discrimination in the workplace.
African Americans routinely had their property stolen from them, defaced, and/or destroyed.
The discrimination against African Americans in housing and business loan markets, together with Jim Crow segregation meant that they were largely excluded from the benefits of the GI Bill, which played a large part in establishing an educated middle class of homeowners.
Answers
Answer:
i know it's wrong
Explanation:
All of the choices were push factors for settlers looking to move West in the 19th century.
In the 19th century, railroads expanded. This followed after the Civil War. It allowed people to venture into the vast, open land of the West. Many people settled into the area such as the white people from the East and the African-Americans from the Deep South. These African-Americans were looking for a better living condition. The "gold rush" also increased the number of settlers moving to the West. Once of which was the discovery of gold in "Dakota Territory." This happened in 1874.
what is the time answer it
Answers
Answer:
for me it's rn 1:15
Explanation:
Is cell phone service in general elastic or inelastic? Is cell phone service from a particular carrier elastic or inelastic?
Answers
Cell phone service, in general, is elastic, whereas cell phone service from a particular carrier is inelastic.
What are Inelastic and Elastic Services?Inelastic demand occurs when demand for a thing or service remains constant despite price changes. While elastic demand is when demand for a thing or service changes with respect to its price changes.
Without the cell phone service, the internet and other communication are not possible, therefore, the demand for cell phone services won't change despite the change in its price. Whereas, if a particular cell phone service provider increases its cost then the customer can change the service provider.
Therefore, Cell phone service, in general, is elastic, whereas cell phone service from a particular carrier is inelastic.
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Cellular cytoplasm in animal cells is full of salts the cell needs to maintain homeostasis. If the cell were placed in pure water, what would happen to the cell?
Answers
Since the cell is hypotonic compared to it's surroundings, the water will go into the cell, leading the cell to expand and possible explode.
The government announces it will increase the tariff on all imported goods starting next month. What do you think will happen to the demand curve for imported goods?
Answers
Answer:
people will buy fast they'll be sold out important goods
What the additional components in spectrographs used by astronomers for modern observations? Check all that apply.
A detector
A dispersing device
A thermometer
A telescope
Answers
A detector
A telescope
PLEASE HELP How did the writers of the Constitution attempt to stop the federal government from becoming tyrannical? (4 points)
(a) Powers were to be distributed among numerous smaller groups as articulated in Federalist No. 51.
(B)The executive branch was given veto power to stop any judicial decision thought to hurt the people.
(C)The legislative branch was separated into cabinet departments to limit the enforcement of laws.
(d)The judicial branch was granted the power of judicial review, which elevated the judiciary to equal standing
Answers
Answer:
a) Powers were to be distributed among numerous smaller groups as articulated in Federalist No. 51.
Explanation:
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in 2016, the U.S. manufacturer of EpiPens, life-saving devices for people with allergies, raised the price even though the cost of marking the product was not high. Why do you think the manufacturer raised the price?
Answers
Answer:
improvements made to the product.
assume fedoras are made of leather and the price of leather falls would demand or supply increase or decrease
Answers
Answer:
demands would increase and supply would increase.
Explanation:
Supply would increase because the company would always have enough leather and demand will increase because since the materials are cheaper so will the product.
Do you think government should provide easily accessible loans to students? What are some of the secondary effects of doing so?
Answers
Answer:
Below
Explanation:
If the government were to provide easily accessible loans to students, then there would likely be more students going to college, which would be a good thing because we would have a more educated society and workforce. However, taxes would have to be raised in order for people to receive these loans. There also would be a high percentage of the population in debt. Those would be the secondary effects.
Who used free association in his therapeutic practice to help uncover the unconscious of his clients?
Answers
Answer:
Sigmund Freud developed free association to help clients break through blocks caused by unconscious trauma and resulting defenses.
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what kinds of power should bishops have according to the confession of Augsburg?
Answers
The kinds of power that bishops should have according to the confession of Augsburg are:
To preach the Gospel, to forgive and retain sins, to administer the Sacraments”This is because Augsburg Confession says, “The authority of the Keys [Matthew 16:19], of the authority of Bishops–according to the Gospel–is the power of commandment of God..."
Who is a Bishop?This refers to the ordained clergy member that has a specific and official duty in a church,
Hence, we can see that The kinds of power that bishops should have according to the confession of Augsburg are:
To preach the Gospel, to forgive and retain sins, to administer the Sacraments”This is because Augsburg Confession says, “The authority of the Keys [Matthew 16:19], of the authority of Bishops–according to the Gospel–is the power of commandment of God..."
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i need help with this
Answers
Answer:
Explanation:
T² = Gd - N³
T² + N³ = Gd
(T² + N³) / G = d
(First image) The Bohr model accounted for most of the general characteristics of the atom. However, the modern model based on quantum mechanics explains that, although the energy of each orbital is fixed, the orbital radius is actually an average distance. The result is a "cloud" where the electron would most probably be located.
When electrons are excited to different energy levels, the average radii from the nucleus also changes. Rank the following electron energy states according to the average distance of the electron from the nucleus. Rank from largest to smallest distances.
Answers
- third excited state
- second excited state
- first excited state
- ground state
Smallest distance
Excited states refer to the energy state of an electron. The higher the state, the higher the energy and the greater the distance of the electron from the nucleus. Due to the attractive force between the negatively charged electron and the positively charged nucleus, the electron requires greater energies to overcome this attraction and achieve orbits at greater distances.
All are mentioned as ways to manage soil EXCEPT which of the following
A. Improving the use of fertilizers and other inputs
B. Maintaining organic matter
C. Managing farm practice
D. Selecting soils for their best intended use
Answers
b because why would it matter if the soil was organic if what you are growing isn't organic
Which of the following blackbody curves indicates the coldest object?
Answers
A dice is rolled. What is the probability of getting a 5
Answers
Answer:
Total no.of outcomes=6
Favourable outcomes=1
P(E)=1/6
Explanation:
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The atom consists of three types of subatomic particles: protons, neutrons, and electrons. The electron is by far the lightest of the three, while the much heavier proton and neutron have masses very similar to each other. Two of the types of particles carry an electrical charge, while the third is neutral. Label the subatomic particles and appropriate charges by their relative locations.
Identify the subatomic particles by dragging the appropriate labels to their respective targets.
Answers
- particle = electron
- charge = negative
left inside circle:
- particle = proton
- charge = positive
right inside circle:
- particle = neutron
- charge = neutral
This image represents the classical model of the atom proposed by Niels Bohr. Although this model has changed slightly as the result of modern scientific discoveries, it does help in understanding the relative locations of the subatomic particles in the atom. Notice that the protons and neutrons are bound in the nucleus, while the electrons are located in the space surrounding the nucleus.
Describe ONE piece of evidence from an outside source that supports Spence's claim.
please help
Answers
ONE piece of evidence from an outside source that supports Spence's claim that Maya mythology is only supported by recent evidence and that the reliable proof was just recently uncovered is supported by encyclopedia.com
What is a Supporting Detail?This refers to the use of evidence that is used to validate a claim through the use of factual data or statistics.
Hence, we can see that ONE piece of evidence from an outside source that supports Spence's claim that Maya mythology is only supported by recent evidence and that the reliable proof was just recently uncovered is supported by encyclopedia.com
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The diagrams below are the same as those from Part A. This time, rank the atoms based on the wavelength of the photon emitted as the electrons change energy levels, from longest to shortest.
Answers
-arrow from outer circle to inner circle (not the center)
-arrow from inner circle to center
-arrow from second to outer circle to middle
-arrow from outer circle to center
Shortest wavelength
name at least two erroneous ideas about weightlifting that persist to the present day, and explain why they are in error
Answers
Answer:
Let understand that "Weightlifting" is a section of sport which involves individuals lifting heavy weight from the floor to shoulder position, back position and so on.
In essence, Weightlifting are used to build muscle and strengthens the bones & joints but also, the idea are passed as sport to see the ability of sportsmen in lifting heavy weight.
Some of the erroneous ideas about weightlifting are:
Lifting weights leads to bulking up: This idea is false and bulking up of muscles is determined by intake of calories to build the muscle internally. Weightlifting only make the muscles firm.
That weightlifting is bad for the joints: This idea is erroneous and not can not be proved. This exercise aids increased range of motion of the joint and thus ensure flexibility.
Explanation:
Some of the erroneous ideas about weightlifting are:
Lifting weights leads to bulking up: This idea is false and bulking up of muscles is determined by intake of calories to build the muscle internally. Weightlifting only make the muscles firm.
That weightlifting is bad for the joints: This idea is erroneous and not can not be proved. This exercise aids increased range of motion of the joint and thus ensure flexibility.
Julie decided to buy the living room set using the finance plan. She made a down payment
of 5% of the purchase price. About how much was Julie's down payment?
F
$5.00
G
$50.00
H
$400.00
$450.00
J
HELPP PLS
Answers
Answer:
8
Explanation:
Bradley's Furniture is having a spring sale. Study the Information In the edvertlisement Then do Numbers 8 through 10. Bradley's Furniture Spring Sale 5-Piece Living Room Set Purchase Today for $805 Finance Plan: 5% down and 12 easy monthly paynents. Each payment ineludes a $14.00 6nnnee change 8 Julie decided to buy the living room set using the finance plan. She made a down payment of 5% of the purchase price. About how much was Julie's down payment? F $5.00 G $50.00 H $400.00 J $450.00 9 Which of these is not needed to find out how much it will cost to finance the living room set? A the number of monthly payments the finance charge with each payment B C the amount of money toward a down payment the number of years the furniture will be owned A competitor of Bradley's Furniture is selling the same 5-piece living room set The competitor offers customers the following payment option: $500 down payment 10 then $20 per month for 24 months. What is the total cost of the set? F $544 G $580 H $980 J $2,420 GO Pe 23 Applied Mathematics
who has the better approach? methodists or particularists? explain why
Answers
Answer:
both?
Explanation:
The particularist assumes an answer to (1) and then uses that to answer (2), whereas the methodist assumes an answer to (2) and then uses that to answer (1).
Which of the following values best represents the amount of energy available for primary consumers in the food chain?
Answers
The value which best represents the amount of energy available for primary consumers in the food chain is: C. 93,000 kilocalories.
What is a food pyramid?A food pyramid is sometimes referred to as a food chain, or pyramid of energy and it can be defined as a model that is used to depict the food chains and flow of energy from one trophic level (feeding level) to the next in a single ecosystem.
This ultimately implies that, a food chain is a pictorial diagram that compares the energy used by living organisms at each trophic level of the food pyramid.
In this scenario, we can reasonably infer and logically deduce that the value which best represents the amount of energy available for primary consumers in the food chain is 93,000 kilocalories.
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Complete Question:
Algae in an aquatic food chain convert solar energy into 93,000 kilocalories of plant tissue. Which of the following values best represents the amount of energy available for primary consumers in the food chain?
answer choices
930 kilocalories
9,300 kilocalories
93,000 kilocalories
930,000 kilocalories
Of the three types of subatomic particles, only neutrons do not carry charge. Protons carry a positive charge, and electrons carry a negative charge. Protons and neutrons are bound in the nucleus, while electrons orbit the nucleus. When the number of each type of subatomic particle in an atom changes, the characteristics defining the atom also change. Match the appropriate phrases with the type of subatomic particle that completes the defining characteristic.
Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before submitting your answer.
1. The number of ______ identifies whether an atom carries a charge as an ion or is neutral.
2. The number of ______ identifies the type of element.
WORD BANK
- protons
- electrons
- neutrons
Answers
2. The number of PROTONS identifies the type of element.
The number of each type of subatomic particle plays an important role in the characteristics of the atom. The general element classification (hydrogen, carbon, oxygen, etc.) is governed by the number of protons in the nucleus. If the number of protons changes in an atom, so does the type of element. The electrons are the only type of subatomic particle not in the nucleus. They orbit around the nucleus, bound by the electromagnetic force. When electrons are lost or gained by a neutral atom, the charge balance shifts, resulting in the atom becoming an ion. Ions can be either positive when electrons are lost or negative when electrons are gained.
How does federal funding affect the relationship between states and the federal government?
A.
Funding often comes with mandates that states must fulfill.
B.
States set federal policy agenda so they are more willing to receive federal funds.
C.
Local issues are never addressed with federal funding and therefore most states turn it down.
D.
Grants are the only form of federal funding that allow states freedom in how the money is spent.
Answers
Answer:
A. Funding often comes with mandates that states must fulfill.
Explanation:
