Sarah Hörst, an Assistant Prof of Planetary Science at Johns Hopkins University, recently got to hold a piece of the moon and mars in her hand and shared her excitement on Twitter:
This is what my face looks like when someone lets me hold a piece of the Moon and Mars at the same time pic.twitter.com/wMN1HhXKpW
— Sarah Hörst (@PlanetDr) April 13, 2018