In 1738, he published the  (Observations on Determining the Shape of the Earth). Celsius's participation in the Lapland expedition won him much respect in Sweden with the government and his peers, and played a key role in generating interest from the Swedish authorities in donating the resources required to construct a new modern observatory in Uppsala.
In 1738, he published (Observations on Determining the Shape of the Earth). Celsius's involvement in the Lapland expedition earned him great respect from the Swedish government and his peers, and played a crucial role in encouraging the Swedish authorities to provide funding for constructing a new modern observatory in Uppsala.