It’s just the end of the observable universe, which could one day expand as space exploration technology grows more complex and powerful. Having an interactive map of the universe on hand is ...

A map, as a 2-D object ... This is just a small part of the universe—less than 1% of the entire observable universe—but it is our galactic neighborhood. And it is good to know the geography ...

placing them outside the observable universe. The European Space Agency's Planck space mission has provided detailed maps of the universe's oldest light, but even this only scratches the surface ...