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Description

microscope and telescope lense

safe2268286 artist:joycall6590 part of a set26721 trixie81910 pony1700887 unicorn581917 series:joycall6's periodic table135 g42127276 :o6997 bipedal52600 chemistry447 cute280131 diatrixes3982 female1909878 hoof hold14212 lanthanum6 mare806580 one eye closed48898 open mouth257103 periodic table241 planet1750 simple background638840 solo1506095 stars25590 telescope1082 white background177253 wink34649

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Parcly Taxel
Parcly Taxel - For supporting the site
Silly Pony - Celebrated the 13th anniversary of MLP:FIM, and 40 years of MLP!
Flower Trio - Helped others get their OC into the 2023 Derpibooru Collab.
Roseluck - Had their OC in the 2023 Derpibooru Collab.
Tree of Harmony - Drew someone's OC for the 2022 Community Collab
Elements of Harmony - Had an OC in the 2022 Community Collab
Philomena - For helping others attend the 2021 community collab
Twinkling Balloon - Took part in the 2021 community collab.
Ten years of changes - Celebrated the 10th anniversary of MLP:FiM!
Happy Derpy! - For Patreon supporters

Princess of Science
Lanthanum flint - that’s what was meant in the description. Now I can talk about the ceaseless argument about the placement of the f-block amongst its neighbouring blocks: what are the two next members of group 3? La/Ac, Lu/Lr or nothing? The IUPAC is somewhat stupid in this regard and goes for the third option; Wikipedia and the members of its E-team (WikiProject Elements, of which I am a part) say the second, fitting with orbital considerations.