Question

In: Physics

2. The average distance between two neighboring stars in our galaxy is about 5 light-years. (a)...

2. The average distance between two neighboring stars in our galaxy is about 5 light-years. (a)

How many years would it take the Voyager 1 Space Probe to travel 5 light-years?

(b) If an alien civilization built a spaceship that can travel 5 light-years in 1000 years. How many kilometers does this spaceship travel in 1 second? (hint: Google “how far is 1 light-year”)
3. (a) How many minutes would it take the alien spaceship in question 2 to go from Earth to the moon?

(b) How many minutes would it take Voyager 1 to travel the same distance? (hint: Google “average distance between Earth and Moon”)

Solutions

Expert Solution

2.

(a) The Voyager 1 has a speed of 62140 km/hr or 1726.11 m/s.

The ditance between the two stars = 5 light years = 4.73 x 1013 km

So, the Voyager 1 will take (4.73 x 1013 km )/(62140 km/hr) = 7.6 x 108 hr = 86893.2 years to travel 5 light years.

(b) The speed of the spaceship built by the alien civilization is

                                

Heence, the spaceship will travel 1500 km in 1 second.

3.

(a) The average distance between the Earth and the Moon is 384400 km.

Therefore, that alien spaceship will take (384400 km)/(1500 km/s) = 256.27 s = 4.27 minutes

(b) And the Voyager 1 will take (384400 km)/(62140 km/hr)= 6.186 hr = 371.16 minutes

For any doubt please comment.


Related Solutions

what does the structure of our galaxy tell us about how our galaxy formed?
what does the structure of our galaxy tell us about how our galaxy formed?
The Andromeda galaxy is two million light-years from Earth, measured in the common rest frame of...
The Andromeda galaxy is two million light-years from Earth, measured in the common rest frame of Earth and Andromeda. Suppose you took a fast spaceship to Andromeda, so it got you there in 35 years as measured on the ship. If you sent a radio message home as soon as you reached Andromeda, how long after you left Earth would it arrive, according to timekeepers on Earth? My
What method might you use to determine the distance to an elliptical galaxy in our local...
What method might you use to determine the distance to an elliptical galaxy in our local group? the Tully-Fisher relation spectroscopic parallax variable stars Hubble's law
A star in the Milky Way that is about 35 percent of the way out from the center of the galaxy has an orbital distance of 17.5 thousand light years and an orbital velocity of 238 km/s.
A star in the Milky Way that is about 35 percent of the way out from the center of the galaxy has an orbital distance of 17.5 thousand light years and an orbital velocity of 238 km/s. What is the mass of the galaxy inside this star's orbital radius? Enter in solar masses.
A star in the Milky Way that is about 35 percent of the way out from the center of the galaxy has an orbital distance of 17.5 thousand light years and an orbital velocity of 238 km/s.
9. A star in the Milky Way that is about 35 percent of the way out from the center of the galaxy has an orbital distance of 17.5 thousand light years and an orbital velocity of 238 km/s. What is the mass of the galaxy inside this star's orbital radius? Enter in solar masses.10. You independently measure that the mass of the normal matter inside the radius of the above star is 9.14×109 solar masses. What is the fraction of dark matter...
The distance from earth to the center of the galaxy is about 22500 ly (1 ly...
The distance from earth to the center of the galaxy is about 22500 ly (1 ly = 1 light-year = 9.47 ? 1015 m), as measured by an earth-based observer. A spaceship is to make this journey at a speed of 0.9950c. According to a clock on board the spaceship, how long will it take to make the trip? Express your answer in years (1 yr = 3.16 ? 107 s). Please be as detailed as possible in your response,...
Suppose two bodies are orbiting about their common center of mass, and the distance between the...
Suppose two bodies are orbiting about their common center of mass, and the distance between the bodies is a fixed distance d. Surely one possible configuration is the following: each body moves in a circle, the circles are concentric (centered at the center of mass of the system), and they have the same angular speed. Does it hold that this is the only possible configuration? Note: I believe the answer is yes but I am clueless about how to prove...
Two light bulbs are 1.00 mapart. From what distance can these light bulbs be marginally resolved...
Two light bulbs are 1.00 mapart. From what distance can these light bulbs be marginally resolved by a small telescope with a 3.90 cm-diameter objective lens? Assume that the lens is diffraction limited and λ=600nm.
Our Sun, with mass 2.00×1030 kg, revolves about the center of the Milky Way galaxy, which...
Our Sun, with mass 2.00×1030 kg, revolves about the center of the Milky Way galaxy, which is 2.20×1020 m away, once every 2.50×108 years. Assuming that each of the stars in the galaxy has a mass equal to that of our Sun, that the stars are distributed uniformly in a sphere about the galactic center, and that our Sun is essentially at the edge of that sphere, estimate roughly the number of stars in the galaxy.
9) Monochromatic coherent light shines through a pair of slits. If the distance between these slits...
9) Monochromatic coherent light shines through a pair of slits. If the distance between these slits is decreased, which of the following statements are true of the resulting interference pattern? (There could be more than one correct choice.) A) The distance between the maxima stays the same. B) The distance between the maxima decreases. C) The distance between the minima stays the same. D) The distance between the minima increases. E) The distance between the maxima increases.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT