# Distance Where Earth Is Nearest To Sun

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## Activity 2: Out of this world!The distance between the planets

Ask: Activity 2: Out of this world!
The distance between the planets and the sun are constancy changing as the
planets complete their orbite. The average distance from the ser to Earth
151,268,468 km. The average distance from the sun to Jupiter is 780,179,470 kn
the distance between the Sun and Pluto is 5,908,039,124 lom
A. Using the fact above to approximate the following distance, Express your
answer in scientific notation (ax 10″); where a is rounded to the nearest
tenthi
1. Distance from the Sun to Earth:
2. Distance from the Sun to Jupiter
3. Distance from the Sun to Pluto:
4. How much father Jupiter is from the Sun than Earth its from the Sun?
5. How much father Pluto is from the sun than Jupiter is from the sun?
B. Arrange your answers in A from smallest to largest, then explain how do you
arrange them​

Answer:

1.)147.1 million km

2.)762.47 million km

3.)39.5 astronomical units

4.)The planet Jupiter is 5 times farther from the sun than the earth, and the mass of Jupiter is 300 times the mass of the earth.

5.)With a radius of 715 miles (1,151 kilometers), Pluto is about 1/6 the width of Earth. If Earth was the size of a nickel, Pluto would be about as big as a popcorn kernel.

## PHYSICAL SCIENCEMODULE 8A:speeds and distances of far -off objectsGauge1. What

Ask: PHYSICAL SCIENCE
MODULE 8A:speeds and distances of far -off objects

Gauge

1. What is an astronomical unit?
A. the average speed of Earth around the Sun
B. the length of time it takes Earth to revolve around the Sun
C. the average distance from Earth to the Sun
D. the diameter of Earth’s orbit around the Sun

2. What method can be used to determine the distance of stars that are less than 300 light years away?
A. parallax
B photometry
C. spectroscopy
D. standard candles

3. The term observable universe refers to
A that portion of the universe that we have so far photographed through telescopes
B. the portion of the universe that can be seen by the naked eye
. C. the portion of the universe that is not hidden from view by, for example, being below the horizon
D. that portion of the universe that we can see in principle, given the current age of the universe.

4. It is the shift in the wavelength of the emitted light which occurs when the source of light is moving relative to an observer
A. Astronomical Unit
B. Doppler Effect
C.parallax
D.light years

5. What is cosmic distance ladder?
A. method used in determining the distance of far-off objects which involves several processes that are not related to one another
B. method used in determining the distance of far-off objects which involves several processes that builds on one another.
C. method used in determining the distance of far-off objects which involves one process only
D. method used in determining the distance of far-off objects which involves several processes that can only measure limited distances

6. Which of the following correctly defines one astronomical unit?
A. the distance of the Earth from the Sun
B. the distance of the earth to the nearest planet in the solar system
C. the distance of the earth from the nearest galaxy
D the distance that the earth travels in a year

7. If the distance of the star is increased three times what will happen to its brightness according to the inverse square law?
A. The brightness of the star will decrease 9 times.
B. The brightness of the star will increasc 8 times
C. The brightness of the star will decrease 3 times
D. The brightness of the star will increase 9 times

8. Which of the following correctly describes the luminosity of a star?
I. Measure of the apparent brightness of a star
ll. Total amount of energy emitted by a star per unit time
III. Measure of the absolute brightness of a star.
IV. Depends on both radius and temperature of the star
A. I and II
B. II, III and IV
C. III and IV
D. All of the above

9. What does the inverse – square relationship between star’s brightness and distance mean?
A. the star’s brightness decreases proportionally to the square of the distance
B. the star’s brightness increases proportionally to the square of the distance.
C. the star’s brightness decreases proportionally when distance is doubled
D. the star’s brightness increases proportionally when distance is doubled.

10. How do we call this variable where there is expanding and contracting of stars causing their brightness to change in a very regular way?
A. Cepheid
B. Doppler
C. parallax
D. Supernova

11. If a star’s radius is 3 solar (3 times that of the sun and its temperature is 2 solar, what is its luminosity relative to that of the sun?
A. 100 times that of the luminosity of the sun
B. 36 times that of the luminosity of the sun
C. 144 times that of the luminosity of the sun
D. 108 times that of the luminosity of the sun

12. If a certain photon emitted by an object has a rest wavelength of 2x1010km and a measured wavelength of 3x1010km. What is the speed of the object relative to the speed of light?
A. 0.5 times the speed of light
B, 5 times the speed of light
C. 2 times the speed of light
D. 0.2 times the speed of light

13. Which among the stars blow themselves apart at the become so bright for a period of second?
A. Alpha Centauri Cepheid
B. Cepheid
C. Rigel
D. Supernova

14. How can we know that the objects are closer to us or further away in the sky
A. parallax angles
B. parallax shift
C. stellar parallax
D. parallax triangulation

15. What method is used by astronomers to estimate the distance of nearby objects in space?
A. parallax angles
B. parallax shift
C. stellar parallax
D. parallax triangulation

Answer:

1.A

2.A

3.C

4.B

5.B

6.A

7.C

8.D

9.A

10.A

11.C

12.D

13.D

14.B

15.A

## answer. 1.This planet considered as the biggest rocky planet and

Ask: answer. 1.This planet considered as the biggest rocky planet and the only known planet where life exists. A. Mercury B. Venus D. Mars 2.Which of the following planets composed mostly of carbon dioxide that is why its surface temperature is very hot? A. Mercury B. Venus D. Mars 3.This is the smallest gas planet which is composed of mostly hydrogen, helium, and methane which is visible as white cirrus-like clouds. A. Jupiter B. Saturn C. Uranus D. Neptune Pic 4. Which of the following is considered as the largest planet in the solar system? A. Saturn B. Jupiter C. Earth D. Mars 5.This planet is considered as the smallest planet in the solar system. A. Mercury B. Earth C. Jupiter D. Uranus 6.Which of the four planets below is considered as the farthest planet to the sun? A. Earth B. Uranus C. Neptune D. Mercury 7.Why do you think Mercury is considered as the fastest to revolve around the sun? A. Because it is the nearest to the sun C. Because it is the smallest planet D. Because it is the biggest planet. B. Because it is the farthest to the sun 8.Mercury is located 57.9 million km away from the sun while Earth is located 149.6 million km away from the sun. Which of the following can be the effect of their differences in distances? A. Mercury is faster while Earth is slower to revolve around the sun. B. Mercury is slower while Earth is faster to revolve around the sun. C. Mercury is faster to rotate while Earth is slower to revolve. D. Mercury is faster to revolve while Earth is slower to rotate around the sun. 9. Which is true in the following statements in relation to revolution of planets around sun? A. The bigger the planet the faster to revolve around the sun. B. The smaller the planet the faster to revolve around the sun. C. The farthest the planet from the sun, the slowest to revolve. D. The nearest the planet from the sun the slowest to revolve. 10.Choose planet which does belong to the group. D. Mars(need ko na po now!!)​

Answer:

11.A

2.B

3.D

4.B

5.A

6.C

7.A

8.A

9.B

19.D

## Date:Teacher1. Directions: Read each item carefully then circle the letter

Ask: Date:
Teacher
1. Directions: Read each item carefully then circle the letter of the correct answer.
1. This planet considered as the biggest rocky planet and the only known planet where tlfe exists
A. Mercury
2. Which of the following planets composed mostly of carbon fibide that is why its surface temperature is very hot?
A. Mercury
B. Venus
C. Earth
D. Mars
3. This is the smallest gas planet which is composed of mostly hydrogen, hellum, and methane which is visible as white
cirrus-like clouds.
A. Jupiter
B. Saturn
C. Uranus
D. Neptune
4. Which of the following is considered as the largest planet in the solar system?
A. Saturn
B. Jupiter
C. Earth
D. Mars
5. This planet is considered as the smallest planet in the solar system.
A. Mercury
B. Earth
C. Jupiter
D. Uranus
6. Which of the four planets below is considered as the farthest planet to the sun?
A. Earth
B. Uranus
C. Neptune
D. Mercury
7. Why do you think Mercury is considered as the fastest to revolve around the sun?
A. Because it is the nearest to the sun
C. Because it is the smallest planet
B. Because it is the farthest to the sun
D. Because it is the biggest planet.
8. Mercury is located 57.9 million km away from the sun while Earth is located 149.6 million km away from the sun
of the following can be the effect of their differences in distances?
A. Mercury is faster while Earth is slower to revolve around the sun.
B. Mercury is slower while Earth is faster to revolve around the sun.
C. Mercury is faster to rotate while Earth is slower to revolve.
D. Mercury is faster to revolve while Earth is slower to rotate around the sun.
9. Which is true in the following statements in relation to revolution of planets around sun?
A. The bigger the planet the faster to revolve around the sun.
B. The smaller the planet the faster to revolve around the sun.
C. The farthest the planet from the sun, the slowest to revolve.
D. The nearest the planet from the sun the slowest to revolve.
10.choose planet which does belong to the group.
À.mercuny b.jupiter c.Venus D.mars

Answer:

1. Mars

2. B.Venus

3. C.Uranus

4. B.Jupiter

5. A. Mercury

6. C.Neptune

7. A. Because it is the nearest to the sun

8. A. Mercury is faster while Earth is slower to revolve around the sun.

9. B.The smaller the planet the faster to revolve around the sun.

10. B.Jupiter

Hope it helps.

Not only you can get the answer of distance where earth is nearest to sun, you could also find the answers of PHYSICAL SCIENCEMODULE 8A:speeds, Date:Teacher1. Directions: Read, answer. 1.This planet, and Activity 2: Out.