Editing Liberty Science Center (section)

==History==
{{Expand section|date=June 2018}}
Liberty Science Center completed a 22-month, $109 million expansion and renewal project on July 19, 2007.<ref name="MacPherson">Kitta MacPherson. "Innovation & Inspiration", ''[[The Star-Ledger]]'', October 4, 2006.</ref>  The expansion added {{convert|100000|sqft|m2}} to the facility, bringing it to nearly {{convert|300000|sqft|m2}}.<ref>[https://www.skanskausa.com/templates/Page.asp?id=3881 Liberty Science Center Expansion Project] {{webarchive|url=https://web.archive.org/web/20061017212556/https://www.skanskausa.com/templates/Page.asp?id=3881 |date=October 17, 2006 }}, accessed January 30, 2007</ref>

In December 2017, the Science Center opened the Jennifer Chalsty Planetarium, a 400-seat facility with a dome {{convert|100|ft}} in diameter and an {{convert|89|ft|adj=on}} diameter screen, named for the benefactor who contributed $5 million towards the cost of construction. Larger than [[New York City]]'s [[Rose Center for Earth and Space#Hayden Planetarium|Hayden Planetarium]], at its opening, it was the largest such planetarium in the Western Hemisphere and the world's fourth largest.<ref name=NewYorkTimes/>