Mars Rovers
What is NOT the difference of the Mars 2020 Perseverance Rover mission from the previous ones?
A. It has a Mars helicopter to test the first powered flight on Mars.
B. It has multiple cameras to take many pictures.
C. It has a microphone to hear sound on Mars
D. It has a ground-penetrating radar to help search for water under the Martian surface.
It has multiple cameras to take many pictures.
How long at least will it take a spaceship to get to Mars with the current spacecraft technology? (when Mars are closest to Earth)
1 month
3 months
6 months
2 years
6 months
Earth is twice as big as Mars, but only 1/11 the size of Jupiter; the Dwarf Planet Pluto is 1/3 the size of Mars. How large is Jupiter compared to Pluto?
Jupiter is 66 times as big as Pluto.
Which space object is called Earth’s sister because the two planets are very close in size and gravity, but their surfaces are very different.
Mercury
Venus
Mars
Moon
Venus
The International Space Station is about the size of the _____.
American football field
basketball field
tenis field
American baseball field
American football field
What are special features of the Mars helicopter in comparison with a helicopter on Earth?
A. It has much more fuel.
B. It is relatively lighter.
C. Its blades spin much faster.
D. It has innovative solar cells and batteries
B C D
Because Mars’ two moons, Phobos and Deimos, are very small, they don't have enough ______ to pull themselves into spheres, and so they are lumpy and irregular.
Fill in the blank/spell the word.
Gravity
Since landing on Mars in August 2012, Curiosity’s 50-centimeter-diameter wheels have rotated 3689.2 times in 568 sols (Martian days). How many meters has Curiosity traveled? (you can use a calculator, round it to the nearest whole number)
5792 meters
It takes ~1.3 seconds for light to travel from Earth to our Moon; ~8.3 minutes from the Sun to Earth -- how about from Earth to Mars when they are closest?
1.3 minutes
3 minutes
13 minutes
30 minutes
3 minutes
The payload is the rocket’s carrying capacity. Depending on the type of mission the rocket is being used for, the payload can consist of any of the following but NOT:
A Mars rover
A satellite
A space probe
Humans
A monkey
A rocket engine
A missile
A rocket engine
Designed to last just 90 Martian days and travel 1,000 meters, Opportunity rover vastly surpassed all expectations. After about _______ of exploring Mars for about 45 km (28 mi), it stopped communicating with Earth when a Mars dust storm blanketed its location in June 2018. (hint: when did twin rovers land on Mars?)
4 months
4 years
14 months
14 years
14 years
Mars is home to the highest known mountain in the Solar System - Olympus Mons! Olympus Mons is more than _____ higher than the tallest mountain on Earth, Mount Everest (8,848 m high).
two times
three times
four times
five times
three times
What comes next in this sequence: 6, 12, 20, 30, ?
42
The word "comet" comes from the Greek word for:
“tiny”
"tail"
"icy"
"hairy"
"hairy"
Your smartphone such as iPhone 6 is ______ of times more powerful than the Apollo 11 guidance computer which helped land two humans on the moon for the first time in 1969.
tens
hundreds
thousands
millions
millions
NASA's Perseverance rover carries a device called MOXIE (Mars Oxygen ISRU Experiment). Its goal is to convert Martian air (mainly CO2) into oxygen that could be used for: (select all that apply)
A. powering the Mars rover
B. powering the Mars helicopter
C. powering the rocket as fuel
D. humans' breathing
CD
Why have so many space missions (Mars orbiters and rovers) been sent to explore Mars?
A. We wonder if Mars could be made into a good place for humans to live.
B. People want to mine on Mars.
C. Scientists want to explore Mars for great findings.
D. People have started to immigrate to Mars.
A C
How many two-digit prime numbers have 1 as their units digit?
5 prime numbers: 11, 31, 41, 61, 71
Based on Einstein's Theory of General Relativity, any object could become a black hole by squeezing it into a tiny enough volume. To make Earth into a black hole, it would shrink to have a radius of _______.
9 millimeters
9 meters
90 meters
9 kilometers
9 millimeters
Iron Man’s Arc reactor and which of the following objects have similar power sources?
A Ford gasoline car
A Tesla car
Mars rover Curiosity
Mars rover Perseverance
Mars rover Opportunity
Mars rover Curiosity and Perseverance, they have nuclear power sources