Question

when moving the slider in the simulation (link), describe how the universe changed pay close attention to the galaxies that start farther away from the milky way

Explanation:

To answer this, we analyze the cosmic expansion simulation (likely related to the expanding universe model, e.g., Hubble's law):

When moving the slider (representing time or scale factor in a cosmic expansion simulation), the universe exhibits expansion: Galaxies farther from the Milky Way move away faster than closer ones (Hubble’s law: \( v = H_0 d \), where \( v \) = recessional velocity, \( d \) = distance, \( H_0 \) = Hubble constant). Visually, the distance between all galaxies (especially those initially far) increases, with more distant galaxies showing greater separation over time. This simulates the universe’s expansion, where space itself stretches, carrying galaxies apart.

Answer:

As the slider is moved (simulating cosmic time/expansion), the universe expands: Galaxies farther from the Milky Way increase their distance more rapidly than closer galaxies (consistent with Hubble’s law, where recessional velocity is proportional to distance). The overall separation between galaxies grows, with the most distant galaxies showing the largest relative motion away from the Milky Way.