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<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"> NASA-funded CIBER-2 rocket will be launched soon to count the total number of stars in the Universe.</span></span></p>
<p style="margin-right:0cm"> </p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><strong>Background</strong></span></span></p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Counting of stars in not happening for the first time. The major aim of the mission was to check if any star was missed during previous attempts.</span></span></p>
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<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Scientists have assumed that about 100 million stars exist in each galaxy. This number may be under-estimation. This could vary by a factor of 10 or more.</span></span></p>
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<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">With this estimation, there may be about one hundred quintillion stars in the whole universe. It would mean that for every grain of sand on Earth, there may be more than 10 stars.</span></span></p>
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<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">This calculation makes a mistake of assuming that all stars are present within a galaxy. The CIBER-2 instrument will seek to find such ones.</span></span></p>
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<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The instrument will be carried outside Earth on a sounding rocket. The instruments will fall back on Earth and can be retrieved later.</span></span></p>
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<p style="margin-right:0cm"> </p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><strong>Counting stars using CIBER-2</strong></span></span></p>
<ul>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The instrument will survey a part of sky when it goes outside Earth. It will try to detect extragalactic background light emitted.</span></span></p>
</li>
<li>
<p><span style="font-size:11.0pt"><span style="font-family:"Calibri","sans-serif"">The device will specifically focus on cosmic infrared background that is part of extragalactic light. Studying infrared background will give scientists idea of number of stars.</span></span></p>
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<ul>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Scientists have assumed that about 100 million stars exist in each galaxy. This number may be under-estimation. This could vary by a factor of 10 or more.</span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">With this estimation, there may be about one hundred quintillion stars in the whole universe. It would mean that for every grain of sand on Earth, there may be more than 10 stars.</span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">This calculation makes a mistake of assuming that all stars are present within a galaxy. The CIBER-2 instrument will seek to find such ones.</span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The instrument will be carried outside Earth on a sounding rocket. The instruments will fall back on Earth and can be retrieved later.</span></span></p>
</li>
</ul>
<p style="margin-right:0cm"> </p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><strong>Counting stars using CIBER-2</strong></span></span></p>
<ul>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The instrument will survey a part of sky when it goes outside Earth. It will try to detect extragalactic background light emitted.</span></span></p>
</li>
<li>
<p><span style="font-size:11.0pt"><span style="font-family:"Calibri","sans-serif"">The device will specifically focus on cosmic infrared background that is part of extragalactic light. Studying infrared background will give scientists idea of number of stars.</span></span></p>
</li>
</ul>
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