The intention was to get close, fire a projectile into the surface and grab some of the ensuing dust.
它原定目标是接近这颗小行星，发射一抛射物（探测器）进入小行星表面，从而捕获扬起的尘埃。
2
Once you have made the Dakota fire hole you can easily set up a cooking surface for pots and pans by laying several parallel green sticks across the fire pit as show in the picture.
Rain dampens surface fuels, but does little more than create a crust over a ground fire, which can burn beneath the surface for months and pop up later.