<p><span style="font-size: 18px; font-family: 'Open Sans', sans-serif;"></span><span style="font-family: 'Open Sans', sans-serif; font-size: 10pt; line-height: 1.4;">Properties of Stars Data</span></p>
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<p style="text-align: center;" align="center"><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Spectral Type</span></strong></p>
<p style="text-align: center;" align="center"><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">(color)</span></strong></p>
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<p style="text-align: center;" align="center"><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Mass (relative to the Sun)</span></strong></p>
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<p style="text-align: center;" align="center"><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Surface Temperature</span></strong></p>
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<p style="text-align: center;" align="center"><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Luminosity (relative to the Sun</span></strong></p>
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<p style="text-align: center;" align="center"><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Radius (relative to the Sun)</span></strong></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">O5 (Blue)</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">40.0x</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">40,000 K</span></p>
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<p style="text-align: center;" align="center">&nbsp;</p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">18.0x</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">B5 (Blue)</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">6.5x</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">15,500 K</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">800</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">3.8x</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">A5 (Blue)</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">2.1x</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">8,500 K</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">20</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">1.7x</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">F5 (White)</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">1.3x</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">6,580 K</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">2.5</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">1.2x</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">G5 (Yellow)</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">0.9x</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">5,520 K</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">0.8</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">0.9x</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">K5 (Orange)</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">0.7x</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">4,130 K</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">0.2</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">0.7x</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">M5 (Red)</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">0.2x</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">2,800 K</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">0.008</span></p>
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<p style="text-align: center;" align="center"><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">0.3x</span></p>
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<p><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">&nbsp;</span></p>
<h2><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Star Classification</span></h2>
<p><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Use the table above to classify the following stars below.</span></p>
<p><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">&nbsp;</span></p>
<p><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">1.</span></strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';"> Orius: This star has a surface temperature of about 40,000 K and has a radius 18 times&nbsp;&nbsp;&nbsp; greater than our Sun. <strong>Spectral Type: _______</strong></span></p>
<p><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">2. </span></strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Fregel: This star is much smaller than the Sun, only containing 0.7 times the mass of the sun. It also puts out much less energy, 0.2 time the energy output of the Sun. <strong>Spectral Type: _______</strong></span></p>
<p><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">3. </span></strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Regulus: This star outputs a puny 0.008 times the energy the Sun outputs. It is also very cool at only 2,800 K. <strong>Spectral Type: ________ </strong></span></p>
<p><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">4. </span></strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Antarion: This star is over 3 times bigger than the Sun. It also contains over 6 times the mass of our Sun. <strong>Spectral Type: _________</strong></span></p>
<p><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">5. </span></strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Tetelgeuse: This star is about a 1000 K hotter than our Sun, but it&rsquo;s less than 1.5 times bigger than the Sun. <strong>Spectral Type: _________</strong></span></p>
<p><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">6. </span></strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Janos: This blue star is almost 10,000 K hotter than our Sun. <strong>Spectral Type: ________</strong></span></p>
<p><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">7. </span></strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Halpont: This star is almost the same size and temperature of the Sun. </span></p>
<p><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Spectral Type: ________</span></strong></p>
<p><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">8. </span></strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Neva: This star is less than 2 times bigger than the sun, but it contains over 2 times as much mass. <strong>Spectral Type: __________</strong></span></p>
<p><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">9. </span></strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Kriger: This cool, small star is almost 1700 K cooler than the Sun. <strong>Spectral Type: _______</strong></span></p>
<p><strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">10. </span></strong><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Leptos: This giant star is over a thousand times more luminous than the Sun. </span></p>
<h3><span style="font-size: 10.0pt; font-family: 'Open Sans','sans-serif';">Spectral Type: _______</span></h3><input name="sch-grade-item-max-points" type="hidden" value="10">