If all distant galaxies are expanding away from us, does this mean we’re at the center of the universe?

Physics

1 answer:

yuradex [85]4 years ago

4 0

Answer:

Explanation:

Is a thing of relativity and perspective, let me put it this way: if you have lived all of your life in an island and you only see water around you, you will feel that you are in the middle of the sea, the farthest you can see is always the same distance and if you look at the same distance in all directions you will be at the center in the end.

Not all galaxies are expanding away, andromeda is in course to collide with the milky way. We are going to be in the same space that Andromeda some day! but no worries, it's really improbable that even a star from Andromeda crash with a star of the milky way, the distance among those stars is huge!

We are not in the center of the universe, we look in all directions of the universe and how we can see the same distance it might feel like we are in the center, but it's not necessary true.

You might be interested in

If a runner exerts 350 J of work to make 125 W of power, then how long did it take the runner to do the work?

PilotLPTM [1.2K]

225 is the correct answer

5 0

3 years ago

Read 2 more answers

A skater of mass 40 kg is carrying a box of mass 5 kg. The skater has a speed of 5 m/s with respect to the floor and is gliding

Yuki888 [10]

For the part a) we need only the momentum of the box and we have the data to find it.

Momentum is given by,

$p=mv$

where clearly, p is the momentum, m the mass of the box and v is the velocity.

Substituting,

$p=(5kg)(5m/s)\\p=25kg.m/s$

For part b) we need an analysis of the situation. We understand that the box on a surface that has no friction will continue to rotate at the same speed previously defined. The box can only stop with friction, so,

$p=(5kg)(5m/s)\\p=25kg.m/s$

8 0

3 years ago

A sledgehammer is an example of what kind of simple machine?

alisha [4.7K]

I am 95 percent sure the answer in C

3 0

3 years ago

What types of objects float on water

Naily [24]

Explanation:

Objects like apples, wood, and sponges are less dense than water. They will float. Many hollow things like empty bottles, balls, and balloons will also float. That's because air is less dense than water.

8 0

3 years ago

Read 2 more answers

Objects fall near the surface of the earth with a constant downward acceleration of 10 m/s2 . At a certain instant an object is

anastassius [24]

Answer:

After 2 seconds the velocity of the object is 0 m/s.

Explanation:

The velocity at 2 seconds later can be calculated as follows:

$V_{f} = V_{0} - gt$