LLNL Simulations of NASA’s DART spacecraft, which will crash into asteroid Dimorphos in fall 2022, show the differences between modeling the full spacecraft geometry and a spherical approximation of the spacecraft. Credit: Mike Owen, Spheral ASPH code. Ten scientists from Lawrence Livermore National Laboratory (LLNL) last week took part in the 7 th IAA Planetary Defense Conference (PDC), hosted by the United Nations Office for Outer Space Affairs in cooperation with the European Space Agency. Megan Bruck Syal, who helped lead the Lab’s participation in the event and who also was a conference session chair, said this year’s conference was planned to occur at the United Nations Office at Vienna, Austria. Due to the pandemic the conference went into a fully virtual mode, but was still held on Vienna time, which meant very early mornings for the LLNL team.