If an alien is 50 light years away from the Earth, watching Earth through a very strong telescope, when will he be able to see the events that happened today, through his telescope? Why did you choose that date??

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto