George and Gracie are a million light-years apart, but not moving relative to one another. George determines that two firecrackers, one located next to him, and the other 1/3 of the way toward Gracie explode at exactly the same moment. From Gracie’s perspective, which firecracker explodes first?

George and Gracie are 100,000 light-years apart, but not moving relative to one another. George determines that two firecrackers, one located next to him, and the other 1/3 of the way toward Gracie explode 3 seconds apart, with the one closest to him exploding first. From Gracie’s perspective, which firecracker explodes first, and by how many seconds?