stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Lecture tutorial 24 January Flashcards | StudBud
Explore
/
Lecture tutorial 24 January
Lecture tutorial 24 January
10 terms
·
StudBud Administration
·
13 plays
Covers lectures 19–23
Flashcards
10 cards
F
Practice quiz
P
Host live
L
Questions
10
Answers
1
"Dry mass" is the mass of a spacecraft...
when there is no rain
when there are no astronauts on board
when there is no alcohol on board
When there is no fuel on board
2
Solid fuel rockets are reliable, but have one great weakness - what is it?
They are small
They pollute the environment
They are expensive
They can't be throttled
3
To get off the ground, the thrust to weight ratio needs to be:
Exactly 1
Greater than 1
Exactly 180
Between 5 and 10
4
The Artemis program will land _______ on the Moon
12 Men
Elon Musk
The first woman and the next man
The first European
5
The process by which ice turns straight to a gas is called:
suspension
sublimation
evaporation
condensation
6
What does ISRU stand for?
In-situ resource utilization
Irish Space Rangers Unit
Indian Space Research Union
In-situ resource uncovering
7
What recent event made NASA less confident about using solar power to support people living on Mars?
The Sun got farther away
There were many dust devils
It was cloudy
There was a very large global dust storm
8
The "giant impact theory" says the Moon formed after an impact between Earth and "Theia" which was about the size of:
Mars
Mercury
The large beef schnitzel at MLH
Jupiter
9
What does EDL stand for?
EuroDisneyLand
Entry, descent, and landing
Entry, descent, and launch
European Diverse Launchers
10
In mission design, what is a good reason to rule out a mission concept?
Involves excessive mass
Will be unacceptable to your funders
Has some illogical component
Violates the laws of physics