Week 4（ch.22-26)

Weekly Questions

1.What object does he depend on to get ALTITUDE, and what tools does he use to obtain LONGITUDE?

For altitude ，he used a sting，a weight and some things with degree markings to make a sextant. Then he went out every night with this sextant and sought Deneb.

For longitude，Phobos’ position.

2.How does he determine the direction of the storm so that he can move past it?

He left a solar cell behind and drove away and then got back to get the reads which would show how much energy lost.

3.Mars sparing no effort trying to kill him. So, what accident occurs in this chapter? And how does it happen?

Both of the rover and trailer roll over because of the terrain.Besides the trailer is connected with rover.

4.Briefly summarize what Watney and the Hermes crew have been doing to make sure this mission has a successful outcome.

Wetney removed unnecessary things in the MAV to make it light as Houston told.Martinez practices many times for launch.Vogel diagnoses on the reactor.Beck links the tethers spooling in the Air lock 2…

5.Commander Lewis decides to blow up the VAL to create thrust. How does she come up with this extremely dangerous idea? And what is the purpose of it?

They may be his parents.

Plenty of air in the ship will give them a kick to where they want to go and this ideas inspired from Wetney.

Words

ordeal 折磨  durable 耐用的  copious 多的  sleek 井然有序的  pristine 崭新的