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Keck opens its doors for its 20th anniversary

<p>Keck employees use carbon dioxide to demonstrate how the telescope mirrors at Keck are kept clean of dust and debris. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)</p>

Keck employees use carbon dioxide to demonstrate how the telescope mirrors at Keck are kept clean of dust and debris. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)

<p>University of Hawaii student Tyler Gee helps Maikaila Aina, 5, build a flashing pin, one of the many hands on educational science exhibits at the open house. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)</p>

University of Hawaii student Tyler Gee helps Maikaila Aina, 5, build a flashing pin, one of the many hands on educational science exhibits at the open house. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)

Iara Nitz, 7, tries her hand at driving an underwater ROV, built by members of Earls Garage in Waimea. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)
Iara Nitz, 7, tries her hand at driving an underwater ROV, built by members of Earls Garage in Waimea. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)
Visitors to the Keck Open House event play with one of the many interactive science related exhibits on display. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)
Visitors to the Keck Open House event play with one of the many interactive science related exhibits on display. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)
<p>Markus Patig, with son Jona, 8, enjoy one of the many educational exhibits available at the Keck Open House event held on Saturday, March 16. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)</p>

Markus Patig, with son Jona, 8, enjoy one of the many educational exhibits available at the Keck Open House event held on Saturday, March 16. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)

<p>A variety of interactive and educational exhibits were on display at the Keck Open House on Saturday, including a popular demonstration using liquid nitrogen to make ice cream and other experiments. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)</p>

A variety of interactive and educational exhibits were on display at the Keck Open House on Saturday, including a popular demonstration using liquid nitrogen to make ice cream and other experiments. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)

Keck employees use carbon dioxide to demonstrate how the telescope mirrors at Keck are kept clean of dust and debris. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)

University of Hawaii student Tyler Gee helps Maikaila Aina, 5, build a flashing pin, one of the many hands on educational science exhibits at the open house. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)

Markus Patig, with son Jona, 8, enjoy one of the many educational exhibits available at the Keck Open House event held on Saturday, March 16. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)

A variety of interactive and educational exhibits were on display at the Keck Open House on Saturday, including a popular demonstration using liquid nitrogen to make ice cream and other experiments. (PHOTO BY ANNA PACHECO| SPECIAL TO NHN)