What is the Hubble eXtreme Deep Field?
Q: What is the Hubble eXtreme Deep Field?
A: The Hubble eXtreme Deep Field is an image of a small part of space in the center of the Hubble Ultra Deep Field. It is the deepest optical view into space.
Q: When was the XDF image released?
A: The XDF image was released on September 25, 2012.
Q: How long did it take to create the XDF image?
A: The XDF image combined 10 years of images taken by the Hubble telescope.
Q: What is the exposure time for the XDF image?
A: The exposure time for the XDF image was two million seconds, or about 23 days.
Q: How old are some of the galaxies shown in the XDF image?
A: The XDF image shows galaxies that are over 13.2 billion years old.
Q: How bright are the least bright galaxies in the XDF image?
A: The least bright galaxies in the XDF image are one ten-billionth the brightness of what the human eye can see.
Q: What kinds of galaxies are shown in the XDF image?
A: Many of the smaller galaxies shown in the XDF image are very young galaxies, and some of them became the major galaxies, like the Milky Way and other galaxies in our galactic neighborhood.
