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Why is data sent digitally from space probes instead of using an analog device?

Answers

Answer 1
Space probes send information and pictures back to Earth using the Deep Space Network (DSN), a collection of big radio antennas. The antennas also receive details about where the spacecraft are and how they are doing. Whereas, an analog device transmits through electromagnetic waves and electromagnetic waves can travel not only through air and solid materials, but also through the vacuum of space. The natural space radiation environment can damage electronic devices so an analog device cannot be used. Hope this helps!

But they would be able to use analog devices in the future, if they create suitable protection for it.

Related Questions

you want to make some hot chocolate with 1000.00 grams of h20. if it takes 435000 joules of energy to heat you water, what is the temperature change?

Answers

The temperature change from the calculation is obtained as 104 degrees.

What is energy?

The term energy is described as the ability to do work. Now we are told that the energy that is added to the water is 435000 joules.

Given that;

H = mcdT

m = mass

c = specific heat capcity

dT = temperature change

dT = H/mc

dT = 435000/1000 *  10^-3 * 4200

dT = 104 degrees

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What is an Astroid belt

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The asteroid belt is a line int the space with light but more parts of the asteroid that broke down

The Schwarzschild radius of a black hole depends on ________.only the mass of the black holeboth the mass and density of the black holethe way in which the black hole formedthe observationally measured radius of the black hole

Answers

The Schwarzschild radius of a black hole depends on the mass and density of the black hole because volume is the space that an object occupies.

What is volume?

Volume is defined as the amount of space occupied by an object. It can be measured in cubic units. If the black hole has more volume then it has more radius and vice versa.

So we can conclude that the Schwarzschild radius of a black hole depends on the mass and density of the black hole because volume is the space that an object occupies.

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A star is observed to have a temperature of 3000 k and a luminosity of 105. what is the color of the star? what group does the star belong to?

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AnsAnswerwer:

the first box is red and the second boybox is giant

Explanation:

Answer:

the first answer is red and the second answer is supergiant

Explanation:

i just did it on edge 22

Two particles A and B start simultaneously from a Point P with velocities 20 m/s and 30 m/s respectively. A and B move with acceleration equal in magnitude but opposite in direction. When A overtakes B at Q, its velocity is 30 m/s. The velocity of B at Q :

Answers

Answer:

20 m/s

Explanation:

Given

u(A) = 20 m/su(B) = 30 m/sacceleration equal in magnitude but opposite in direction

Solving

Velocity of A at Q = 30 m/sFrom, P to Q, Δv(A) = 30 - 20 = +10 m/sTherefore, velocity of B at Q will be decreased by 10 as it is equal in magnitude but opposite in direction to AΔv(B) = v(B at Q) - u(B at P)-10 m/s = v(B at Q) - 30 m/sv(B at Q) = 30 - 10 = 20 m/s

simple cell. Study it and answer the questions that follow ​

Answers

Explanation:

there is no picture or question attached

Hello people ~
Feathery stigma occurs in
(a) pea
(b) wheat
(c) Datura
(d) Caesalpinia

Answers

Answer:

(B) wheat

Explanation:

Wheat is an anemophilous plant (form of pollination by which wind distributes pollen)They lack petals and sepals (outer whorls of the flower)The female plants consist of an ovary (female reproductive part) from which two styles (connecting stigma and ovary) ariseThe feathery stigma catches the pollen and sends it to the ovary for fertilization

(b) wheat

Feathery stigma refers to wind pollinated flowers.

Wind pollinated flowers are smooth, light in weight, dull and does not contain nectar.

Wheat is light and does not contain nectar.

Datura have huge petals, pea is heavy, caesalpinia have beautiful petals, which all leads to insect pollinated.

wind pollinated flowers:

wheat, rice, corn and oats.

An 80g meter stick is supported at its 30 cm mark by a string attached to the ceiling. A 20 g mass is hung from the 80 cm mark what mass should be hung at the 5 cm mark on the meter stick to keep it horizontal and in equilibrium?

Answers

Answer:

[tex]104\; {\rm g}[/tex], assuming that the meter stick is uniform with the center of mass precisely at the [tex]50\; {\rm cm}[/tex] mark.

Explanation:

Refer to the diagram attached. The meter stick could be considered as a lever. The string at the [tex]30\; {\rm cm}[/tex] mark would then act as the fulcrum of this lever.

The [tex]m_{A} = 20\; {\rm g}[/tex] mass at the [tex]80\; {\rm cm}[/tex] mark is at a distance of [tex]r_{A} = 50\; {\rm cm}[/tex] to the right of the fulcrum at [tex]30\; {\rm cm}[/tex].

The weight of the [tex]80\; {\rm g}[/tex] meter stick acts like a weight of [tex]m_{B} = 80\; {\rm g}[/tex] attached to the center of mass of this meter stick. Under the assumptions, this center of mass of this meter stick would be at the [tex]50\; {\rm cm}[/tex] mark, which is [tex]r_{B} = 20\; {\rm cm}[/tex] to the right of the fulcrum at [tex]30\; {\rm cm}[/tex].

Let [tex]m_{C}[/tex] be the mass attached to the meter stick at the [tex]5\; {\rm cm}[/tex] mark. This mass would be at a distance of [tex]r_{C} = 25\; {\rm cm}[/tex] to the left of the fulcrum at [tex]30\; {\rm cm}[/tex].

At equilibrium:

[tex]\begin{aligned} & m_{C}\, r_{C} && (\text{mass on the left of fulcrum})\\ &= m_{A}\, r_{A} + m_{B} \, r_{B} && (\text{mass on the right of fulcrum})\end{aligned}[/tex].

Solve for [tex]m_{C}[/tex], the unknown mass attached to the meter stick at the [tex]5\; {\rm cm}[/tex] mark:

[tex]\begin{aligned}m_{C} &= \frac{m_{A}\, r_{A} + m_{B}\, r_{B}}{r_{C}} \\ &= \frac{20\; {\rm g} \times 50\; {\rm cm} + 80\; {\rm g} \times 20\; {\rm cm}}{25\; {\rm cm}} \\ &= 104\; {\rm g}\end{aligned}[/tex].

When white light is refracted by a prism, which color of light is bent the least? red yellow green

Answers

Red light bends the least since the colour red has the longest wavelength on the electromagnetic spectrum.

Answer:

Red light would bend the least, because of its wavelengths in the sun, also basing on how reflective the prism or light source is.

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Help !!

If an object is placed 3 cm from the mirror, how far will the object appear “behind” the mirror?

Answers

The answer is ; 6cm

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This is because of the diagram below:

[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]

As we know the property of a plane mirror, image formed by it is always virtual, of same Size as the object and at the same Distance as the object from the mirror. so we can say that the distance of image from the object = 3 cm from the mirror ( as per the property ) and at a distance of 6 cm from the object.

Dr. Man was studying a fossil from a dig in a desert when he noticed that the organism had evidence of fins.

Answers

What organism? Picture?

The conversion of ozone to diatomic oxygen is represented by the equation above. Based on the data in the table above, what is the approximate average bond enthalpy for the oxygen-to-oxygen bonds in ozone?.

Answers

The approximate average bond enthalpy for the oxygen-to-oxygen bonds in ozone is 300 kJ/mol. The ozone is composed of three oxygen atoms, and it's highly reactive.

What is ozone?

Ozone is a light blue-colored gas, that is highly soluble in an inert, non-polar solvent.

[tex]2O_3 \rightarrow 3O_2 \\\\ \Delta H = -300 KJ/mol[/tex]

There are double bonds present in the ozone, two molecules of ozone mean there will be four bonds.

[tex]4 \times E -3 \times 500 = -300\\\\4 \times E = -300 + 1500\\\\E = \dfrac{1200}{4} \\\\E = 300 \;KJ/mol[/tex]

Thus, the correct option C, 300 kJ/mol.

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Which would take more force to stop in 17. 3 seconds: a 3. 2 kg ball rolling in a straight line at a speed of 0. 3 m/sec or a 4. 1 kg ball rolling along the same path at a speed of 1. 2 m/sec?

Answers

The second one (4.1 kg ball)

This is because the mxv is greater than the other one.

For the 4.1kg ball, the force it’s moving on is 4.92N

As for the 3.2kg ball, it’s moving with a force of 0.9N. Much less than the other one.

If a 600-N force is exerted on a box to push it to the right, and a 300-N force is exerted on the same box to push it to the left, what is the net force and direction of the box?

Answers

The net force is 300N since 600N - 300N = 300N. This is true because the forces are opposing each other. So the final answer would be 300N to the RIGHT.

Carbon-14 is a radioactive isotope of carbon with a half-life of 5,730 years. A paleontologist finds fossil that contains 25% of its original amount of carbon -14 atoms. How old is the fossil?

Answers

The age of the fossil which contains the Carbon-14 radioactive isotope is 11460 years

How to determine the number of half-lives Original amount (N₀) = 100%Amount remaining (N) = 25%Number of half-lives (n) =?

2ⁿ = N₀ / N

2ⁿ = 100 / 25

2ⁿ = 4

2ⁿ = 2²

n = 2

How to determine the age Half-life (t½) = 5730 yearsNumber of half-lives (n) = 2Time (t) =?

t = n × t½

t = 2 × 5730

t = 11460 years

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HELP!

Explain how the conservation of energy and the conservation of matter might still be considered true when put together in spite of the ability of each to convert into the other.

Answers

Answer:

the conservation of both matters because without each other the balance of nature will be destroyed it helps in such a way that the food chain will be maintained.

it is as such considered because without matter there would be no energy and the reverse is such.

it is still considered because without one another famous atomic theories wouldn't have been made such as gas, liquid and solid.

in conclusion all these work together to balance the galaxy as a whole

Both the conservation of energy and the conservation of matter is important because, without each other, the natural equilibrium will be disrupted.

What is the law of conservation of energy?

According to the Law of conservation of energy. Energy can not be created nor be destroyed it can transfer from one to another form.

The total energy is the sum of all the energies present in the system. The potential energy in a system is due to its position in the system.

The conservation of both is important because without each other, the natural equilibrium will be disrupted, and it aids in the maintenance of the food chain.

It is seen as such because there would be no energy without matter and vice versa.

Hence both the conservation of energy and the conservation of matter is important

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A transfer of energy from thermal to potential

Answers

Conduction

The material which suppose Conduction called conductorsIn this heat is transmitted from one thermal to another .Metals are usually good conductors where as non metals are not

Explanation:

According to online, "thermal energy is just a fancy word for heat energy. It's a form of both potential and kinetic energy. If you remember, the electrons of an atom have potential energy. Once you apply pressure to the electrons, they start to move rapidly, banging into each other, and releasing thermal energy as heat."

Thermal energy transfers occur in three ways: conduction, convection, and radiation

Tina speaks using a nonelectric megaphone. The megaphone makes her voice louder in one direction.


How does a megaphone work?

Select one:


It affects the vocal cords of a person and allows them to make louder sounds.


It increases the amplitude of spreading sound waves.


It changes the frequency of the spreading sound waves.


It collects sound waves and reflects them in a direction

Answers

The megaphone makes her voice louder in one direction, increases the amplitude of spreading sound waves.

What is megaphone?

Megaphone is a Spotify-owned podcast technology company that specializes in ad insertion and hosting.

While the distance between from the crest of a wave to the next crest is known as the amplitude.

The megaphone makes her voice louder in one direction, increases the amplitude of spreading sound waves.

Hence, option B is correct.

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What is the relationship between frequency and wavelength?

Answers

Answer:

The wave with the greatest frequency has the shortest wavelength. Twice the frequency means one half the wavelength.

Explanation:

Frequency and Wavelength are inversely proportional to each other.

Describe the orbit in which planets revole around the sun

Answers

Planets orbit the sun in the paths which are known as elliptical orbit. Each planet has its own orbit around the sun and direction in which all the planets orbit around the sun are the same. These orbits were well explained by the astronomer Kepler. The gravity of the Sun keeps the planets in their orbits. They stay in their orbits because there is no other force in the Solar System which can stop them.

Mr. Ben drove from Town A to Town B. For the first 3 hours, he
traveled at an average speed of 60 km/h, and after that, he drove at another average speed of 70 km/h. If the distance between Town A and B is 460 km, what was the total time for the whole journey?

Answers

The total time for the whole journey  =  7 hours

Distance = Speed  x  time

Distance traveled for the first 3 hours

time = 3 hours

speed = 60 km/h

Distance = 60  x  3

Distance = 180 km

180 km was traveled for the first three hours

Total distance traveled = 460 km

Distance traveled at an average speed of 70 km/h  = 460  -  180

Distance traveled at an average speed of 70 km/h  =  280 km

Speed  =  Distance / time

70   =  280 / time

time = 280 / 70

time = 4 hours

Mr. Ben traveled 3 hours at an average speed of 60 km/h, he traveled 4 hours at an average speed of 70 km/h.

The total time for the whole journey = 3 hours + 4 hours

The total time for the whole journey  =  7 hours

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What is the purpose of the outer reflective fabric layer of a spacesuit?.

Answers

Explanation:

The purpose of the fabric is to deflect the harmful electromagnetic radiation from the sun and other sources. Higher energy radiation such as gamma rays or UV rays can ionize the atoms in our skin and organs. Therefore, it would be beneficial to deflect that radiation

Answer:

To cope with the extremes of temperature, most space suits are heavily insulated with layers of fabric (Neoprene, Gore-Tex, Dacron) and covered with reflective outer layers (Mylar or white fabric) to reflect sunlight.

Every time your cat's paw hits her toy string, it swings away from her. How does
this demonstrate Newton's third law of motion?

Objects with mass, such as your cat's paw and toy string, will require inertia.

Objects in action, such as the string toy, will experience force.

For every motion from your cat's paw, there is unbalanced inertia from the string.

For every action your cat makes, there is an equal and opposite reaction from the string.

Answers

Answer:

D?

Explanation:

Newton's Third Law of Motion: For every action, there is an opposite reaction, and forces come in pairs

Answer: Answer choice D

Explanation:

Newtons 3rd law states that for every action there is an equal and opposite reaction. In the scenario, the cat hitting the toy is the action, and the ball swinging away is the reaction.

You are thinking about adding a part-time job to your business? You could pay the employees the $6.50 per hour. How much would you pay if the employee Works 15 hours per week? How much would you pay if the employee Works 20 hours per week?

Answers

Answer:

1.) 15hrs per week = $97.50

2.) 20hrs per week = $130

Explanation:

Question 1 of 10
What do all waves in the electromagnetic spectrum have in common?
OA. They have the same distance between crests.
OB. They have the same energy.
C. They have the same rate of motion.
D. They have the same frequency.
SUBMIT

Answers

Answer:

They have the same rate of motion.

Explanation:

Electromagnetic radiation is a type of energy that is commonly known as light. Generally, light travels in waves, and all electromagnetic radiation travels at the same speed, which is about 3.0 × 108 ms− 1 through a vacuum.

The type of galaxy that sometimes has a distinct bar of stars running across the central region is:.

Answers

Spiral galaxies appear as flat, blue-white disks of stars, gas and dust with yellowish bulges in their centers. These galaxies are divided into two groups: normal spirals and barred spirals. In barred spirals, the bar of stars runs through the central bulge.

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The stimuli for kinesthesis is the __________ energy of joint and muscle movement. a. thermal b. electrical c. mechanical d. chemical

Answers

The complete statement is "The stimuli for kinesthesis is the mechanical energy of joint and muscle movement.". Option C. This is further explained below.

What is kinesthesis?

Generally, Kinesthetic helps in this way wherewith one's eyes closed, there is awareness of the locations of the body parts.

In conclusion, mechanical energy of joint and muscle movement is the stimuli for kinesthesis

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A man climbs on to a wall that is 3 m high and gains 2268 J of potential energy. What is the mass of the man? (g=9.8 m/s^2) *

Answers

Answer:

77.14 kg

Explanation:

P.E = mg h

 2268 =  m *  9.8 *  3        m = 77.14 kg

State Schrodinger equation.​

Answers

Hi!Schrodinger equation is written as HΨ = EΨ, where h is said to be a Hamiltonian operator.

When you push your palms together and rub them back and forth, you are demonstrating one way of converting ________ energy into ________ energy.

Answers

Answer:

When you push your palms together and rub them back and forth, you are demonstrating one way of converting Kinetic energy into thermal energy.

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