These troughs are considered big-scale graben resulting through the impacts that created Rheasilvia and Veneneia craters, respectively. They are some of the longest chasms in the Solar Program, virtually so long as Ithaca Chasma on Tethys. The troughs could possibly be graben that fashioned following An additional asteroid collided with https://truongphothongtuthuctphcm28494.blogzet.com/truong-pho-thong-ngoai-cong-lap-tphcm-an-overview-51070310