Social Studies

PBJ

15 November, 19:19

This excerpt makes a connection between

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Read this excerpt from A Black Hole Is NOT a Hole.

Reber had just one little problem. To explore the radio

energy, he needed a radio telescope-a telescope that

could detect invisible radio energy-but there was no such

thing at the time. So he invented one. He built it in his

backyard in Wheaton, Illinois. Late into the night, Reber

probed the sky with his new telescope, using it to locate

the source of the mysterious radio energy.

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scientist Karl Jansky and scientist Grote Reber.

the invention of a radio telescope and the discovery of a

black hole.

the discovery of radio energy from space and the

discovery of a black hole.

the discovery of radio energy from space and the

invention of a radio telescope.

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