The MAV's specs have yet to be firmed up, Muirhead said. The sample-return team is looking at two options: a two-stage solid-propellant version, and a single-stage rocket that employs hybrid propulsion technology. A decision on the design should come by the end of the year, Muirhead sai...
I love doing outreach.. I have fun sharing the hobby with other people. The vast majority of people are very respectful and grateful for the experience. Though I have had some less than positive experiences.. kids touching eyepiece glass, pulling o...
火星探测车(MarsExplorationRovers)和火星侦查者号轨道探测器(Mars ReconnaissanceOrbiteO都在火星上观测到了铁硫酸盐,这使得在实验室中研究铁 硫酸盐在火星表面类似条件下的性质变得十分重要。而叶绿矾族矿物是火星表面 或者表面浅层可能存在的铁硫酸盐矿物之一,因此研究它的光谱学性质特别是其 ...
MarsandEarthhaveorbitswhichchangewithtime. 我们太阳系的行星有水星、金星、地球、火星、木星、土星、天王星和海王星。 TheplanetsofoursolarsystemareMercury,Venus,Earth,Mars,Jupiter,Saturn,Uranusand Neptune. 就把我的话语,像是灰烬和火星!从还未熄灭的炉火向人间播散!让预言的喇叭通过我的嘴唇。 Scatter,asfrom...