Which is not a method used to detect extrasolar planets? a. transit photometry b. radial velocity measurements c. direct imaging d. microscopy

Answers

Answer 1

Microscopy is not a method used to detect extrasolar planets.

Methods of detecting exoplanets:

Any planetary body beyond the solar system that typically orbits a star other than the Sun is referred to as an extrasolar planet, often known as an exoplanet. There are 3,779 planetary systems with 3,108 confirmed exoplanets as of 1 July 2022, 826 of which contain multiple planets. The Kepler space telescope was responsible for most of these discoveries.

Exoplanets contain elements that are comparable to those found in our solar system, but their compositions of those elements may vary. Iron or carbon may dominate some planets, whilst water or ice may rule others.

The following methods have at least once proved successful for discovering an extrasolar planet or detecting an already discovered planet:

Radial velocityTransit photometryEllipsoidal variationsPulsar timingVariable star timingTransit timingTransit duration variationEclipsing binary minima timingGravitational microlensingDirect imaging

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Related Questions

You catch, tag, and release 35 fish back into a pond. Then, you catch 70 more fish, 12 of which have tags on them. What is the best estimate of the number of fish in the pond?

Answers

Answer:

204

Explanation:

The estimated total number of individuals in a population using the capture and recapture method is given by the following equation;

N = (M x C)/R

where N = estimates of the number of individuals in the population, M = number of individuals captured and marked the first time, C = total number of individuals captured (marked and unmarked) in the second attempt, and R = number of marked individuals captured in the second attempt.

In this case, M = 35, C = 70, and R = 12

Hence,

N = 35 x 70/12 = 204.16

Therefore, the estimated number of fish in the pond is 204.

Hey My Name is Chloe, and I need some Help, But if you can't it's ok,

So I need Some Facts and Topics on Land Animals, I did some research But I didn't find enough. Any Is fine

Answers

Answer: CHIMPANZEES. RECKONED to be the most-intelligent animals on the planet, chimps can manipulate the environment and their surroundings to help themselves and their community. They can work out how to use things as tools to get things done faster, and they have outsmarted people many a time.

Explanation:

Answer: Animal: Bengal tigers

Topics: Why are bengal tigers being hunted? How many bengal tigers are left in the world?  Are bengal tigers being bred in captivity.

Facts:The White Tiger is one of the rarer relatives of the big cats. Due to their white coat they are often referred to as the bleached tiger. White Tigers are in fact a subspecies of Tigers and are the pigmented variation of the Bengal Tiger, sometimes found in the wild on the Indian subcontinent.

Explanation: I would suggest looking at national geographic if you want cooler animals.

Please Helppp!!! What could lead to different populations of the same species living in different environments?

Answers

Answer: Migration, because species move to other places for food or a better or more suitable habitat and sometimes their is other species there.

Different ecological and biogeographical causes lead to different populations of the same species living in different environments. Ecological factors include intraspecific competition, migration, resource searching, habitat destruction, among others. Biogeographical dispersion involves wider areas and time factor. Human action is also a cause of dispersion.

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Dispersion can be defined as the dissemination and distancing process of some individuals from others. It refers to the change in an organism's range or distribution area.

Different ecological and biogeographical processes might be involved in organisms' dispersion.

Ecological processes involve intraspecific competition for resources, habitat destruction, lack of resources -food or water-, among others. This is an intra-area, moderate dispersion that reduces competition and increases niche findings. It involves daily and seasonal migration and territoriality. Biogeographical processes refer to bigger changes that involve wider areas and time. It includes the historical factor, besides migration. This is an extra-area dispersion process.

            → Jumping dispersion refers to a few individuals, in a short time, that  can cross a barrier and occupy a new area. In this situation, the establishment is not always for sure. They must reproduce and start a new population of a certain size that can survive the new conditions.

            → Diffusion refers to populations that, through many generations, explores and expands in new regions with favorable conditions.

            → Secular migration is the diffusion through thousands of generations.

Dispersion is also caused by human actions, following different interests and goals.

When two populations of the same species migrate to new areas and adapt to different environmental pressures, they will probably suffer from the speciation process with time, becoming two different species.

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how extrusive igneous rocks and intrusive igneous rocks form?

Answers

Answer:

Intrusive igneous rocks are formed when magma cools slowy and large crystals are formed

Extrusive igneous rocks are formed when magma cools quickly, and small or no crystals are formed, it may be vesicular meaning it may contains air bubbles.

1. Which of the following refers to the process of an environment constantly changing?"
energy cycle
energy succession
ecological cycle
ecological succession

Answers

Answer:

I believe it's ecological succession.

Hope that helps!

Answer:

It's Ecological succession

"An organism is hungry, so it eats some food".
What is the stimulus and the response?​

Answers

The stimuli is the food and response here he eat some food.

What is the ONLY way a female can be affected by a sex-linked trait?

Answers

Answer:

they can only be affected if their father is affected

Jonathan has type O blood. What must his parents be for Jonathan to get type O blood?
There are 4 possibilities

Answers

Just like eye or hair color, our blood type is inherited from our parents. Each biological parent donates one of two ABO genes to their child. The A and B genes are dominant and the O gene is recessive. For example, if an O gene is paired with an A gene, the blood type will be A.

i need help with this bio question ​

Answers

Answer:

its C

Explanation:

PLSSSS HELLLPPP
I’ll give brainiest!!!


Darcy put three healthy plants in pots. She put them in three places. Each plant had good soil, air, and water. After three weeks,
Darcy checked on the plants.
Based on the results, where do you think Darcy put plant #2?
es )
A)
in the shed
B)
under a tree
)
on the back deck
D)
in the front yard
Fr

Answers

What were the results? Was there a table or graph included in this question?

Answer:

A)in the shed

Explanation:

Just did the usa test prep

define cell division​

Answers

Answer:

Cell division is the process by which a parent cell divides into two or more daughter cells. Cell division usually occurs as part of a larger cell cycle.

Explanation:

Cell division is the process by which a parent cell divides into two or more daughter cells. Cell division usually occurs as part of a larger cell cycle.

1. Describe what occurs in the body of a type 1 diabetic after they consume a carbohydrate-heavy meal. In your response, include the following terms
Metabolized, Glucose, Insulin, Cell receptors, Pancreas, Energy​

Answers

The process which would occur in the body of a type 1 diabetic after they consume a carbohydrate-heavy meal is:

The digestive system tries to break down the complex sugars which increases the blood sugar level which leads to the production of insulin to maintain the blood sugar level throughout the body.

A Type 1 diabetic person is one who has been diagnosed with the level  of diabetes, where the pancreas does not produce enough insulin to control the sugar levels of the body.

With this in mind, when such person consumes a high carbohydrate meal, it means that he has ingested complex sugars which would be difficult  for the digestive system to break down which would overwork the pancreas, but as there is little or no insulin production, then there would likely be health complications.

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Regan is trying to determine if an unknown element is a metal. She does not want to damage or change the physical appearance of the element in any way. Design an experiment that could determine if the mystery element is a metal without changing its appearance.

Answers

Explanation:

Well, one could use a magnet to see if it's ferrous. One could melt it to check which type it is, use a metal detector, or just use their senses: If it dings or clinks like metal, and feels like it’s texture. If it polishes with metal polish, is reflective, can be shaped or shape when heated… It usually is a metal. If it rusts, or oxidizes, it is or contains metal. If it “smells" like metal, most likely, it is metal. Finally, if it walks like metal, and quacks like metal, most likely we have a metal

is spirogyra a protist or thallophyta​

Answers

Answer:

Protista

Explanation:

Kingdom: Protista and Division: Charophyta

Answer:

protista

Explanation:

it exists in haploid cells reproduced by binary fission

In general, food molecules are ___________ by the digestive tract of organisms so they can be _______________.
Select one:

broken down; absorbed into the bloodstream

broken down; released as heat

combined; absorbed into the bloodstream

converted to energy; used to power the muscles

Answers

Answer:

converted to energy ; used to power the muscles

MARK ME AS BRAINLIST

How are environmental issues and food production related?

Answers

Answer: Food consumption and production have a considerable impact on the environment.  Food production contributes

Explanation: , for example, to climate change, eutrophication and acid rain, as well as the depletion of biodiversity. It is also a considerable drain on other resources, such as nutrients, land area, energy, and water.

3. What do cells create that help them do their job?
I

Answers

Answer:

No entiendo

Explanation:

ok okshdjfjdhdhdjd

54:58
Hunter-gatherer societies traditionally occupied the same territories year-round in order to care for their livestock.
Please select the best answer from the choices provided
OT
F
Mark this and retum
Save and Exit
Next
Submit

Answers

Answer:

CORRECT ANSWER IS FALSE.

Explanation:

I JUST DID THE QUIZ

E2021

Answer:

False

Explanation:

Edge 2021 ;)

In this lab, you used a dichotomous key to identify organisms. Why would this skill be valuable to you? Check all possible reasons below.

A. It helps you classify organisms.

B. It helps you identify ecosystems.

C. It helps you study and appreciate biodiversity.

D. It helps you analyze an organism’s traits.

E. It helps you understand how organisms interact.

Answers

Answer:

All of Them

Explanation:

got right in edg (see pic)

hope this helps :)

A farmer wants to produce sweeter grapes using artificial selection. Which of these strategies can he use to achieve this goal?

Answers

Answer:

Crossbreed the two sweetest vines in the vineyard to produce new plants.

Explanation:

Artificial selection is the method used by the humans to produce traits in plants and animals according to teh desired thought. In this process of evolution, desirable characteristics of plants and animals are reproduced.  

In the given excerpt, the farmer can adopt the method of crossbreeding two vines which are sweetest in order to produce sweeter grapes.

A resident of _ is likely to leave the largest ecological footprint

Answers

Answer:

the United States

Explanation:

list and describe three methods of keeping a gap between the birth of two children.


class 10 biology btw

Answers

Answer:

either a barrier or chemical method can be used

i.e, is de usage pills or copper-t , condom in males .. etc ..... ( correct me if i m wrong ) ....

7. Which of the following is not an example of an abiotic factor?
O Water
O Soil
O Disease
O Air
Please help

Answers

Answer:

Disease

Explanation:

Water, Soil and Air are all biotic except for disease.

Yes that’s right absolutely

What is the function of a coenzyme?
1. Binds to the substrate to raise activation energy
2. Inhibits the metabolic pathway of the enzyme
3. Couples with an enzyme to help remove or add electrons in order for the reaction to be catalyzed
4. Is a secondary protein complex that produces ATP

Answers

i believe the answer is c

As a cell grows in size, transporting the materials in and out of the cell becomes more difficult. Which process would help a cell to efficiently transport more materials into the cell as it grows?

Grupo de escolhas da pergunta

A) The cell develops a thinner cell membrane.

B) The cell undergoes a mutation.

C) The cell stores more materials in its vacuoles.

D) The cell divides into two cells creating more space for materials.


ASAP

Answers

Answer:

A

Explanation:

The process that would help a cell to efficiently transport more materials into the cell as it grows is the cell develops a thinner cell membrane (Option A).

What is cellular transport?

Cellular transport is a process by which cells can take substances from their surrounding environment.

Cellular transport depends on the characteristic of the cell membrane where the substances need to pass.

The mechanisms of cellular transport include active transport and passive transport.

In conclusion, the process that would help a cell to efficiently transport more materials into the cell as it grows is the cell develops a thinner cell membrane (Option A).

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5' GTA___ A A 3'
3' CATGCATT 5'
This segment of DNA has undergone a
mutation in which three nucleotides have
been deleted. A repair enzyme would replace
them with
A CGT.
B GCA.
C CTG
D GTA.


I’ll give you the brainliest if you answer with an explanation.

Answers

A. CGT

Explain- C pairs with G and A pairs with T. Vise verse.

The correct answer is A CGT. As repair enzyme would replace them with CGT.

The practical section of DNA is known as genes. Gene is the section of DNA that codes for a practical protein. Genes are inherited from mother and father to offspring. They convey genetic statistics from one technology to another.

What are the 4 bases of DNA?

CGT is an acronym for the 4 forms of bases located in a DNA molecule: adenine (A), cytosine (C), guanine (G), and thymine (T). A DNA molecule includes strands wound around every other, with every strand held collectively through bonds among the bases. Adenine pairs with thymine, and cytosine pairs with guanine.

Hence concluded that CGT is a segment of DNA that has undergone a

mutation in which three nucleotides have been deleted.

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For questions 6-15 use one of the following choices for each question. The choices may be used more than
once. Just write the letter for the choice not the word
A. Mutualism

B. Commensalism

C. Parasitism
6. One organism is harmed in a relationship
7. Two organisms benefit from a relationship
8. A tree with a Spanish moss population is unaffected by the relationship
9. A population of mice destroys grass roots in a field
10. A plotist that lives in a termite intestine digests wood eaten by the termite
11. A small insect called an aphid harms the stems and leaves of rosebushes
12. Bacteria make Vitamin B12 in the human intestine
13. Your cat has a severe case of fleas
14. A mosquito stabs the skin on your arm and a bite develops
15. Two organisms live together, one benefits and the other is neither helped or harmed by the
relationship

Answers

6C, 7A, 8B, 9C, 10B, 11C, 12A, 13C, 14C, 15B

Why is the moon abiotic?

Answers

The moon is abiotic because it is a non living thing

Answer:

The moon is abiotic because it doesnt move and it's not a living thing.

Why are stabilizing proteins neeed to keep the DNA strands separated?

Answers

Single-stranded DNA-binding proteins (e.g., eukaryotic replication factor A [RFA]) then stabilize the unwound template DNA, keeping it in an extended single-stranded state so that it can be copied by the polymerase.

Single-stranded DNA-binding proteins are protected exactly tightly to DNA, but with extremely little carefulness for individual nucleotide sequences.

What is DNA?

They accomplish this by interacting strongly with the DNA backbone, via hydrogen bonds with the ribose and phosphates and complementary control interactions with the phosphates.

When the Proteins of DNA Replication DNA Helicases. These proteins attach to the double-stranded DNA and facilitate the separation of the two strands. DNA single-stranded critical proteins.

Although, These proteins bind to the DNA as a stable tetramer the single-stranded structure is produced by the action of the helicases.

Single-stranded DNA-binding proteins (e.g., [RFA] eukaryotic replication factor A) then stabilize the decompressed template DNA, maintaining it in an extended single-stranded state so that it can be simulated by the polymerase.

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Match each gymnosperm to its correct description. plzzz help me reeee​

Answers

Answer:

Explanation:

Ginkgoes lose their leaves in autumn

Cycads look like a palm tree

Gnetophytes grow in deserts and rain forests

Conifers make up the largest group of gymnosperms.

Each gymnosperm is matched according to their correct description

Ginkgoes lose their leaves in autumnCycads look like a palm treeGnetophytes grow in deserts and rain forestsConifers make up the largest group of gymnosperms.

What are Gymnosperms?

Gymnosperm is a seed-producing plant which do not produce flowers or fruits and have uncovered seeds. These are born in cones and are not visible until maturity.

There are several characteristics of Gymnosperms. They are:

1. They are autotrophic, photosynthetic plants which tend to conserve water.

2. They have vascular system which includes roots, xylem, and phloem that is used for the transportation of water and nutrients.

3. The ovules and seeds of gymnosperms develop on the scales of cones which is in enclosed chambers called ovaries.

4. They are older than angiosperms on the basis of evolution.

They are divided into four classes like

Ginkgoes Cycads Gnetophytes Conifers

Thus, each gymnosperm is matched according to their correct description

Ginkgoes lose their leaves in autumnCycads look like a palm treeGnetophytes grow in deserts and rain forestsConifers make up the largest group of gymnosperms.

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