Which list gives key events regarding the exploration of space in the correct order, beginning with the earliest? (1 point)
A:first humans on the moon, first lander on Mars, first space shuttle flight
B:first humans in space, first space shuttle flights, first humans on the moon
C:first space shuttle flight, Hubble Space
telescope launch, last humans on the moon
first humans on the Moon, first humans
D:Mars, launching of the International Space Station
B: first humans in space, first space shuttle flights, first humans on the moon
What is the largest structure people have put into space? (1 point)
A:International Space Station
B:Hubble Space Telescope
C:Mars rover Curiosity
D:Space Shuttle
A: International Space Station
What is the largest structure people have put into space? (1 point)
A:International Space Station
B:Hubble Space Telescope
C:Mars rover Curiosity
D:Space Shuttle
A: International Space Station
What is a difference between week 1 and week
3 of the moon's cycle? (1 point)
A:Week 1 starts with a full moon, while week 3 starts with a new moon.
B:Week 1 starts with a new moon, while week 3
starts with a quarter moon.
C:Week 1 starts with a quarter moon, while week 3 starts with a full moon.
D:Week 1 starts with a new moon, while week 3 starts with a full moon.
D: Week 1 starts with a new moon, while week 3 starts with a full moon.
During which weeks in the moon's cycle does the moon appear to be getting smaller? (1 point)
A:week 1 and week 2
B:week 2 and week 3
C:week 3 and week 4
D:week 1 and week 4
C: week 3 and week 4
What is a similarity between the phases of the moon in week 2 and week 4? (1 point)
A:They both start with a quarter moon.
B:They both end with a full moon.
C:They both start in waning.
D:They both start in waxing.
C: They both start in waning.
The moon appears half lit, half dark from the surface of Earth on two days each month. What causes this? (1 point)
A:Earth's shadow is blocking the light from the sun.
B:It is a partial lunar eclipse.
C:Half of the moon's surface that is illuminated
by the sun is visible from Earth's perspective.
D:Half of the moon is totally eclipsed.
C: Half of the moon's surface that is illuminated by the sun is visible from Earth's perspective.
When Earth, the sun, and the moon are perfectly aligned, with Earth in the middle, which type of eclipse occurs? (1 point)
A:a total lunar ecliose
B:a partial solar eclipse
C:a total solar eclipse
D:a partial lunar eclipse
C: a total solar eclipse
What is it called when the moon passes through the penumbra of Earth's shadow? (1 point)
A:partial solar eclipse
B:total solar eclipse
C:partial lunar eclipse
D:total lunar eclipse
C: partial lunar eclipse
The Northern Hemisphere is experiencing the summer season. Where is most of the direct sunlight located on Earth at that time? (1 point)
A:on the equator
B:on the Northern Hemisphere
C:on the Southern Hemisphere
D:on both hemispheres
B: on the Northern Hemisphere
While the Earth is revolving around the sun, less direct sunlight is reaching the Northern Hemisphere than the Southern Hemisphere. What season is it in the Northern Hemisphere? (1 point)
A:summer
B:spring
C:winter
D:autumn
C: winter
The Northern and Southern Hemispheres face the sun evenly. What do the hemispheres experience at that time? (1 point)
A:winter
B:a solstice
C:summer
D:an equinox
D: an equinox
The United States spends over $20 billion a year on space exploration through NASA. Do you think that this has been worth the cost? In three to five sentences, provide two specific examples of things we have learned from space exploration, and explain how these examples influence your opinion.
As an AI language model, I do not have personal opinions. However, I can provide examples of things we have learned from space exploration and their potential influence on the perceived value of the cost.
One example of the value of space exploration is the understanding of climate change. Satellites like the NASA's Orbiting Carbon Observatory and the Terra satellite have provided crucial data on Earth's climate, atmospheric composition, and the effects of human activities on the environment. This knowledge helps us make informed decisions on climate policies and mitigation strategies, which can have long-term benefits for the planet.
Another example is medical research conducted in space. Microgravity environments have enabled researchers to study the effects of space travel on the human body, leading to advancements in bone health, muscle atrophy prevention, and cardiovascular health. These findings have direct applications for improving healthcare on Earth, especially for people with limited mobility or age-related conditions.
These examples highlight the potential benefits of space exploration that go beyond the scope of space itself. The knowledge gained from space missions can have important implications for our understanding of the Earth, human health, and technological advancements. Ultimately, the value of space exploration and its cost is subjective and depends on individual perspectives and priorities.