That means when you put them together with all the radio telescopes all over the world we'll hear farther into space than anyone has ever heard before.
a. Capable of being extended or compacted, like a telescope, by the sliding of sections or parts one within the other; telescopic; as, telescoping tripod legs; a telescoping table, etc.; -- a term replacing the formerly used telescope. [ Webster 1913 Suppl. +PJC ]