what is the difference between redshift and blueshift?

Answers

Answer 1

Answer:

Redshift and blueshift describe how light shifts toward shorter or longer wavelengths as objects in space (such as stars or galaxies) move closer or farther away from us. The concept is key to charting the universe's expansion. Visible light is a spectrum of colors, which is clear to anyone who has looked at a rainbow.

Explanation:


Related Questions

.pls help fast
Is the fossil record complete for humpback whales? Explain your answer.

Answers

Answer:

No, the fossil record is not complete because with further fossil discoveries, and more study, it may continue to tell paleontologists how modern whales came to behave the way they do.

Explanation:

What happens to an atom decays?

Answers

Answer:

If it decays by alpha decay, it will become an atom with 2 fewer protons and 2 fewer neutrons than the original atom. If the atom decays by beta minus (electron) decay, it will become an atom with one less neutron and one more proton than the original atom.

Explanation:

Brainliest Please!

which of the following statements is FALSE?
a. alleles are made when one original DNA strand experiences mutations that result in phenotypes that offer advantages
b. the DNA of two alleles must be almost identical. since the trait is the same. But the effect of the allele may be very different!
c. in humans, for every trait we can only have two alleles. but that trait can be controlled by many alleles. there are no limits on how many alleles can control a trait.
d. being diploid means that humans cannot mask the effects of recessive alleles. humans always show both alleles in their phenotypes and genotypes
e. if humans were diploid we would only have one allele per trait
Helpppp pleaseee

Answers

Answer:

d. being diploid means that humans cannot mask the effects of recessive alleles. humans always show both alleles in their phenotypes and genotypes

Explanation:

Being diploid means humans carry two sets of chromosomes. Since we have both dominant and recessive gene types, humans can mask the effect of recessive alleles since the dominant trait will be seen in the phenotype or genotype since it is a dominant gene. The effect of the recessive allele will show up only if both diploid genes are recessive.

what stages are part of the process that animals use to get their energy

Answers

The process in which oxygen and glucose undergo a complex series of chemical reactions inside cells, releasing energy. Fermentation: The process by which cells release energy by breaking down food molecules without using oxygen

Use the figure below to answer the following question:
Atmosphere
Pants
trogen
Animals
A
Wach
Death
turint and tece
B
E
Dentlying
bacteria
Decomposers
Nitrates
NO,
D
rogering
bacteria in
plant roots
Nying
bacteria
С
F
Nitrogen-foong
bacteris in so
(Pl 4,
In the part labeled B plants take up nitrogen through their roots. What is this process
called?
O Nitrification
O Ammonification
Assimilation
O Denitrification

Answers

Answer:

B

Explanation:

bkvdfobjeijvfkmbijbirtjgbtrkbtrginjkf g

Identify the types of genetic recombination.
occurs in metaphase I.
occurs during sexual reproduction.
is random chromosome alignment resulting in variation.
occurs in prophase I.
fuses gametes to form offspring with genes from each parent.
exchanges genetic information between non-sister chromatids.

Answers

Answer:

Explanation:

The answers to your questions about genetic recombination are:

Independent assortment happens during metaphase I.

Fertilization happens during sexual reproduction.

Independent assortment is random chromosome alignment resulting in variation.

Crossing over happens during prophase I.

Fertilization fuses gametes to form offspring with genes from each parent.

Crossing over is the exchange of genetic information between non-sister chromatids.

Answer:

Independent assortment happens during metaphase I.

Fertilization happens during sexual reproduction.

Independent assortment is random chromosome alignment resulting in variation.

Crossing over happens during prophase I.

Fertilization fuses gametes to form offspring with genes from each parent.

Crossing over is the exchange of genetic information between non-sister chromatids

Explanation:

Given the diagram below, which of the following ordered pairs represents the
vertex, A?

O A. (b cosc, b sinC)
O B. (b cos C, c sinc)
O C. (a cosB, a sinB)
O D. (a cosc, b sinC)

Answers

Answer:c

Explanation:because cosin of b is c

(a cosc, b sinC) pairs represents the vertex A in this diagram. Hence option D is correct.

What is Vertex ?

In geometry, a vertex (in plural form: vertices or vertexes) is a point where two or more curves, lines, or edges meet. As a consequence of this definition, the point where two lines meet to form an angle and the corners of polygons and polyhedral are vertices.

The vertex of an angle is the point where two rays begin or meet, where two line segments join or meet, where two lines intersect (cross), or any appropriate combination of rays, segments, and lines that result in two straight sides meeting at one place.

In a polygon, a vertex is called "convex" if the internal angle of the polygon is less than π radians otherwise, it is called concave.

Hence option D is correct.

To know more about Vertex :

https://brainly.com/question/30940247

#SPJ7.

True or false - DNA and RNA store heredity to make proteins?

Answers

in my own opinion I think it's false ..,

The chaparral biome is best characterized by
A) large, contiguous regions of shrubland
B) small regions interspersed with other biomes
C) large noncontiguous regions interspersed with other biomes
D) the animals dwelling in it
E) the plants that grow in it
Pls help ASAP !

Answers

Small regions interspersed with other biomes. It’s choice B. I hope this helps. Have a nice day.

How do most bacteria get food?

Answers

Answer:

Foodborne illness/contamination

Explanation:

Most dairy and meat products are at risk for having salmonella, this is why you must cook

it so you can kill the bacteria. These foods can contaminate fresh veggies that you don't cook which can cause you to get sick.

During the process of meiosis, chromosomes are divided evenly, so that the sex cell receives ONE chromosome from each homologous set. What are these sex cells called?

Answers

Answer:  

Mitosis, Meiosis, and Inheritance

Do any of you guys know what tectonic plate and fault caused the 2001 Seattle earthquake?

Answers

Answer:

The Puget Sound area is prone to deep earthquakes due to the Juan de Fuca tectonic plate's subduction under the North American Plate at 3.5 to 4.5 cm a year as part of the Cascadia subduction zone

Explanation:

Hope dis help

Answer:

North American plate and the San Juan de Fuca plate,

Explanation:

i hope this helps

answers :

oxygen
glucose
water
carbon dioxide

Answers

Answer:

1. Is Carbon Dioxide

2. Is oxygen

3. Water

4. Glucose

Explanation:

I think these are the answer, I am not sure.

Can someone explain question 4?

Answers

Over time, as oxygen levels decrease, CO2 levels increase. Respiration is correct as it uses oxygen as a reactant and releases CO2 as a byproduct.

Which of the following is NOT a function of proteins


structural support

enzymes

transport across the cell membrane

all of the above are functions of proteins

Answers

Answer:

all of the above

Explanation:

proteins make up the cell membrane, giving the cell structural support.

proteins act as enzymes and catalysts within the cell.

proteins aid in the transport of specific substances.

Are Cnidarians a Representative organism?

Answers

Answer:

No

Explanation:

Cnidarians refer to organisms found in the phylum Cnidaria/coelenterata. They're metazoans.. A representative organism of this phylum is hydra

The light dependent reaction requires energy from the sun. What other reactant does this reaction require

Answers

Answer:
carbon dioxide

A specific type of cell is being studied by a scientist. She notices the cell contains a nucleus, lysosomes, a cell membrane and cell wall. What is the correct classification of this cell?
A prokaryotic animal cell

B. A prokaryotic plant cell

C. A eukaryotic animal cell

D. A eukaryotic plant cell

also can you say a reason why it's that answer

Answers

Answer:

A eukaryotic plant cell

Explanation:

This is the answer because eukaryotic plant cell have nuclei which means more than one nucleus.

The readiness to acquire a certain kind of conditioned response due to the biological makeup of the organism is known as _________.

Answers

Answer:

Biological Preparedness

Explanation:

I majored in Biology

How is mitosis different from binary fission?​

Answers

Answer:

B

Explanation:

because the main differnt berween bianary fission and mitosis is that bianary fission is a way ofbtge asexual type of reproduction in prokaryotes in which one organism divides to for two progency orhanisms while mitosis is a process in which a eukaryotic cell divides to form two daughter cells which are identical.

which term names part of the peripheral nerves system A spinal cord B brain C sensors​

Answers

Answer:

[tex]\boxed {\boxed {\sf C. \ Sensors}}[/tex]

Explanation:

There are two divisions of the nervous system: the central and peripheral.

The central nervous system (CNS) is made up of the brain and spinal cord. This section processes information gathered from the sensory organs.

The peripheral nervous system (PNS) is divided into the autonomic and somatic, with different functions. Regardless of the subdivision, the PNS is made up of all the nerves and sensory receptors. The nerves are connected to the brain and spinal cord, which allows them to pass information from the PNS (where it is gathered ) to the CNS (where it is processed).

So, the spinal cord (choice A) and brain (choice B) are parts of the central nervous system, not peripheral. The correct answer must be C. sensors

Answer:

C) Sensors

Explanation:

I hope this helps, I took the test :D Have a great day/night!

The cell membrane controls movement of materials into and out of the cell. The following particles are moving from high concentration to low concentration and are using a carrier protein. How would you describe this type of movement across the membrane?
A. simple osmosis

B. active transport

C. simple diffusion

D. facilitated diffusion and please give a reason why you chose this answer

Answers

Answer:

B. active transport

Explanation:

Answer:

b

Explanation:

because active transport obey the concentration gradient..

Red is dominant over yellow. If a male purebred red rose(RR) is crossed with a female hybrid rose (Rr), what percent of the roses will be red?


25%
100%

Btw i learned 50% and 75% is wrong so that is why there is only two

Answers

Answer:

100%

Explanation:

Because one of the roses is purebred dominant, all recessive genes will be overshadowed.

4 How many genetically different kinds of gametes an individual with genotype Aabb can
produce?
a)1
b)2
c) 4
d) 8​

Answers

Answer:

I believe the answer is C.) 4

Convection currents are powered by:
A. Heat
B. Motion
C. Pressure
D. Density
If you’re gonna guess, do not bother commenting

7th grade Science *Earth

Answers

the answer is a. heat

Did you guys know...
In Justin Bieber’s song “yummy” he says “you make my toes curl” look up the lyrics it’s hilarious

Answers

Answer:

thats make me cry of laughter bro... lm ao

Explanation:

Answer:

ya that is

Explanation:

Many shark species have experienced a great deal of decline in population sizes due to a variety of factors. In the Bahamas, sharks are plentiful, but still experience a decline as populations reach their carrying capacity. Which of the following factors does not affect the carrying capacity of all shark species?

Answers

Answer:

You didnt list the factors? comment the factors and ill come back to answer

What's the answer to this?

Answers

I don’t know how am I supposed to know
Sorry bushbuck
i have no clue my bad

The condition of ketoacidosis is Select one: a. a potentially fatal buildup of acetoacetate or 3-hydroxybutyrate lowering blood pH. b. due to a lowered production of ketone bodies than is normal. c. the increase in pH of the cells due to ketone body production. d. only found when anaerobic catabolism of fat occurs.

Answers

Answer:

The correct answer is option A ( a potentially fatal buildup of acetoacetate or 3-hydroxybutyrate lowering blood pH.)

Explanation:

Ketoacidosis results in a type of body metabolic state where the urine concentrations are high in ketone bodies, such as acetoacetic acid , 3-hydroxybutyrate. Fatty acids are converted to ketone bodies, resulting in a very high level of ketone bodies which automatically lowers the blood pH.

Ketoacidosis is of different types, Diabetic ketoacidosis, alcoholic ketoacidosis, starvation ketoacidosis. They are all associated with the accumulation of ketone bodies within the bloodstream. The underlying disease  common with ketoacidosis is Diabetes.

the lowest layer odnbf​

Answers

Answer: ;-; wut? i- my brain cells you just killed my brain cells in 1 sec i-

Explanation:

Lowest layer of wat??
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