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<p>thermal properties of the <a href="page.php?w=Sun">Sun</a>. Instruments employed during a solar eclipse could be used to measure the radiation from the <a href="page.php?w=solar_corona">corona</a>.</p>

<p><a href="page.php?w=Image%3AGreen_Bank_Telescope.jpg">thumb</a></p>

<p><big> Radio astronomy </big></p>
<p>With the discovery of <a href="page.php?w=radio">radio</a> waves, <a href="page.php?w=radio_astronomy">radio astronomy</a> began to emerge as a new discipline in astronomy. The long wavelengths of radio waves required much larger collecting dishes</p><p>
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