Sunny Priyan
It takes three years for light to travel a distance equal to the length of the scale bar. One light-year is equal to about 5.88 trillion miles or 9.46 trillion kilometers.
Credit: NASA
The scale bar is also labeled in arcminutes, which is a measure of angular distance on the sky. One arcsecond is equal an angular measurement of 1/3600 of one degree.
Image Credit: Freepik
There are 60 arcminutes in a degree and 60 arcseconds in an arcminute.
Image Credit: Freepik
The actual size of an object that covers one arcsecond on the sky depends on its distance from the telescope.
Credit: NASA
This image shows visible wavelengths of light that have been translated into visible-light colors.
Image Credit: Freepik
The color key shows which WFPC2 and MIRI filters were used when collecting the light.
Credit: NASA