Passage Excerpt from “Growing Peppers on the ISS Is Just the Start of Space Farming”
Excerpt from “Growing Peppers on the ISS Is Just the Start of Space Farming”
by Melanie Canales
The author, Melanie Canales, is a first-generation Peruvian American farmer and beekeeper based in Virginia’s Shenandoah Valley, on lands of the indigenous Monacan and Manahoac tribes. Her work focuses on creating healthy relationships between people and their surrounding ecosystems.
Unburdened by the constraints of gravity, red and green peppers jut out at 45-degree angles inside the Advanced Plant Habitat (APH), a sort of space terrarium not much larger than a microwave. Four chile pepper plants stand effortlessly upright, despite the dozens of glossy fruits weighing them down. These plants have lived entirely in space; their leaves have never been chewed on by insects or rustled by a summer breeze, [and] their stems are unfamiliar with bending toward the sun’s arc across the sky. Scissors glint under the tank’s white and blue lights as astronaut Mark Vande Hei and his team snip the stems of those that are ready for harvest. The peppers whirl around their heads until the astronauts catch them and tape them against a board to photograph.
Back on Earth, the Plant Habitat-04 team of engineers and plant scientists are observing and conferring with the astronauts. Of the 26 peppers in this batch, only the 14 finest will stay on the International Space Station [ISS] for consumption. The rest will be wrapped in foil, sealed in a Ziploc bag, then frozen at a brisk −80 degrees, until they can come roaring back to Earth in the next cargo capsule to be studied later. Now, after a 137-day growth cycle, the astronauts remove the plants from the module and trash them. Project Plant Habitat-04 is complete. It’s taco night on the ISS.
Since 2014, NASA1 has experimented with growing lettuces, brassicas,2 and zinnias3 in space, an endeavor that relies on highly specialized technology over 50 years in the making. [Fall 2021’s] two successful pepper harvests . . . will provide data on the nutritional and psychological benefits of growing vegetables on-craft, as well as a crop’s ability to reliably produce long-term in microgravity. While controlled environmental agriculture is not new, the APH experiment represents an evolution in specialized growth habitats. It doesn’t aim to re-create Earth’s conditions, but to perfect each isolated variable of plant growth in the clinical environment of a spaceship.
“The Advanced Plant Habitat is the most complex plant growth system on orbit today,” says Lashelle Spencer, a plant scientist at NASA’s Kennedy Space Center. Its more than 180 sensors control and monitor temperature, humidity, and carbon dioxide. The astronauts can adjust the color and intensity of the light, and how much moisture the plants’ roots are getting. It waters itself.
It’s the day after Thanksgiving, and Spencer has been at Kennedy since 5 a.m. to facilitate the peppers’ final harvest. As part of the project team, she played a crucial role in preparing the seeds that were sent hurtling into space in June and guiding the astronauts through maintaining the plants in orbit. . . . Though astronauts can spend upwards of 100 days in space, their on-mission meals come dehydrated and pre-packaged; their vitamins and minerals are isolated in supplements, which lose nutritional value the longer they’re stored. Spencer’s goal is to create the conditions necessary for cultivating healthy plants in space, so those plants can sustain healthy astronauts on long-term missions. Astronaut food is great, she says—“especially the shrimp cocktail. But you’re missing that crunch. You’re missing that fresh pop of flavor, the green flavor that’s not there in that packaged food.”
The sensory experience of growing productive crops can also help mitigate4 the psychological effects of long-term space travel. . . . Spencer says the team cracked open the door of the APH every day to observe their vegetable companions with all the tenderness of home gardeners. When harvest day came, they batted their bounty around the ISS, taking selfies and delighting in watching the fruits pirouetting around the spacecraft. . . .
“We were thinking no heat, so that [the peppers] wouldn’t be dangerous, but maybe the astronauts need a little spice in their life,” says Paul Bosland, who along with his colleagues at the Chile Pepper Institute genetically engineered5 the NuMex Española Improved chile pepper seeds grown in Plant Habitat-04. . . .
Working with NASA, Bosland cultivated a variety that could accommodate both the nutritional needs of astronauts as well as the logistics of growing a plant in space. . . .
. . . The experiment is helping gather the data necessary to determine the nutritional content of crops grown in space, and therefore how many people they can feed, and for how long. Though much is still unknown, Spencer is certain of one thing that future astronauts will need to do: “I think in an optimal world, a scientist like me would say that they would be growing plants from day one. From the day they left to the day they came back, they would be growing them.”
From “Growing Peppers on the ISS Is Just the Start of Space Farming” by Melanie Canales from WIRED, December 21, 2021. Copyright © 2021 Condé Nast. All rights reserved.
1NASA: National Aeronautics and Space Administration
2brassicas: a large genus of herbs, such as broccoli and cabbage
3zinnias: a genus of herbs and low shrubs that have flowers at their heads
4mitigate: to make something less severe or harmful
5genetically engineered: combined parts of DNA from different plants to produce a new plant
Question
With which statement would the author most likely agree?
- ASome plants are better adapted for growing in space than on Earth, and focus should be placed on them.
- BAttempting to grow plants in space the same way they are grown on Earth would not result in success.
- CPlants grown in space provide better nutritional value than plants grown on Earth.
- DSuccessfully growing plants in space is a challenge, so more research must first be completed on plants grown on Earth.
Show the answer
Correct answer: B
The question asks which statement the author would most likely agree with.
A. Incorrect. Although paragraphs 7 and 8 discuss plants that have been genetically engineered to “accommodate . . . the logistics of growing a plant in space,” the passage does not indicate that the plants are better adapted for growing in space rather than on Earth. Thus, the author is not likely to agree with this statement.
B. CORRECT. In paragraph 3, the author points out that growing plants in space “relies on highly specialized technology over 50 years in the making,” and in paragraph 4, the author explains that the Advanced Plant Habitat requires specialized controls and adaptations for light, moisture, and temperature. The author’s acknowledgment of the special conditions required to grow plants in space indicates that she would agree that growing methods used on Earth are unlikely to succeed in space.
C. Incorrect. Although paragraph 8 mentions that pepper plants were genetically engineered to meet “the nutritional needs of astronauts,” the passage gives no indication that astronauts have greater nutritional needs in space than they do on Earth or that plants grown in space are engineered to provide better nutrition than their counterparts on Earth. Thus, the author would not be likely to agree with this sentence.
D. Incorrect. Although the discussion in paragraph 4 of the rigorously controlled conditions indicates that growing plants in space is, indeed, challenging, the article indicates in paragraph 3 that NASA has been experimenting with growing plants in space “since 2014.” Because plant-growing experiments have already been under way in space for a number of years, it is unlikely that NASA or the author would agree that additional experiments on earth are necessary.
Question analysis
This inference question asks which statement the author of the space-farming excerpt, a Virginia farmer writing for WIRED about NASA’s pepper experiment, would most likely agree with. The author never states her view outright, so students must infer it from the way she reports the experiment, and every choice touches on a topic the article raises.
- Grade level
- Grade 8 reading and task
- Compared with grade 7
- Above grade 7 Inferring which statement an author would accept is regular grade 7 work, but this author mostly reports facts and quotes scientists, so her own view has to be pieced together from several paragraphs of technical description, more than grade 7 usually asks.
- Estimated difficulty
- Hard: combines ideas, needs a plan, and has more than one tempting wrong answer.
- Thinking it demands
- Depth of knowledge 3, strategic thinking · mainly analyze
- What makes it hard
- Reading between the lines major
- Evidence in several places moderate
- The right answer is reworded minor
- Evidence
- Answered from several paragraphs or stanzas
- Reading level
- Passage: about grade 10, 890 words; question and choices: about grade 6, 80 words.
- Corrected from the DOE handbook
- A misquotation of the excerpt in the explanation was corrected.
- A grammatical error in the explanation was corrected.
- Students, last 30 days
- Not enough answers yet to show (it takes 10).
Why it is hard, traps and wrong answers (shows the answer)
Why it is hard
Because the article reports facts and quotes scientists, students must build the author’s view from her descriptions, and the key is a prediction she never makes outright. The half-right choice is the main trap: it begins with a view she does hold, that space farming is hard, then adds a demand for research on Earth that ignores NASA’s work in orbit since 2014. The other two turn the engineered variety and the nutrition theme into comparisons the article never draws.
Reading between the lines major Working it out
The author never states an opinion; her view must be drawn from how she describes the work, a habitat that “doesn’t aim to re-create Earth’s conditions” and technology “over 50 years in the making.” (Graesser, Singer & Trabasso, 1994; Kintsch, 1998)
Evidence in several places moderate Working it out
The support is in paragraph 3’s description of the habitat and paragraph 4’s sensors and controls, while the wrong choices draw on paragraph 8’s engineered variety and paragraph 5’s supplements. (Kirsch & Mosenthal, 1990; Gorin & Embretson, 2006)
The right answer is reworded minor Choosing the answer
The key’s “the same way they are grown on Earth would not result in success” restates paragraph 3 in new words, while wrong choices reuse “nutritional” and growing “in space.” (Freedle & Kostin, 1993; Kirsch & Mosenthal, 1990)
Strategy: Find the sentences where the author speaks in her own voice rather than quoting a scientist, then choose the statement those sentences support most directly, without adding claims the article never makes.
Traps
- Reads too much in: A reasonable-sounding conclusion that goes further than the text allows.
- Half right: One half of a two-part choice is right and the other is not.
- Twists what the text says: Uses the text's topic and ideas but changes what it says: who did it, how much, when, or why.
The wrong answers, classified
A Reads too much in (Graesser, Singer & Trabasso, 1994)
Takes paragraph 8’s variety, bred to suit the logistics of growing in space, and paragraph 1’s upright plants as proof that some plants grow better in space than on Earth.
C Twists what the text says (King et al., 2004)
Turns the contrast between fresh crops and supplements that lose value into a claim that space-grown plants beat Earth-grown ones, though the excerpt never compares the two.
D Half right (King et al., 2004; Thissen, Steinberg & Fitzpatrick, 1989)
Agrees that the complex habitat shows space farming is hard, then adds a need for more research on Earth first, though NASA has grown plants in space since 2014.
What was corrected from the DOE handbook, and why
- Explanation: The handbook’s explanation of Option A says the plants were genetically engineered “to accommodate the logistics of growing a plant in space.” Paragraph 8 says Bosland “cultivated a variety that could accommodate both the nutritional needs of astronauts as well as the logistics of growing a plant in space”: “to” is not in the excerpt, and eight words are left out without an ellipsis. The site now says genetically engineered to “accommodate . . . the logistics of growing a plant in space.”
- Explanation: The handbook’s explanation of Option B says “The author’s acknowledgment of the special conditions required to grow plants in space indicate that she would agree.” The subject is “acknowledgment,” so the site now says “indicates.”
Working it out, step by step
Figure out what the question asks
You need to figure out the author’s view. She never states it outright. She mostly reports facts and quotes scientists. So look at how she describes the work. Then pick the statement her own words support best, without adding ideas she never gives.
Find the author’s own words
In paragraph 3, the author says growing plants in space “relies on highly specialized technology over 50 years in the making.” She also says the habitat “doesn’t aim to re-create Earth’s conditions, but to perfect each isolated variable of plant growth in the clinical environment of a spaceship.” In paragraph 4, she adds that its “more than 180 sensors control and monitor temperature, humidity, and carbon dioxide.”
Explain what she means
Specialized means made for one special job. To re-create means to copy. A variable is one thing that can change, like light or heat. Clinical means very clean and controlled, like a hospital. So she is saying that space is not like a garden on Earth. Plants there need special tools that control every condition, one by one. Simply copying Earth’s way of growing would not be enough.
Check each choice
- A is wrong. Paragraphs 7 and 8 show a pepper bred to “accommodate” growing in space. But nothing says some plants grow better in space than on Earth.
- B is right. She stresses special technology and says the habitat doesn’t copy Earth. So Earth’s usual methods alone would fail.
- C is wrong. She never says space plants are healthier than Earth plants.
- D is wrong. She does show that growing in space is hard. But NASA has grown plants in space “since 2014.” Nothing says Earth research must come first.
Watch out: D starts with an idea she holds, that space farming is hard. Then it adds a demand she never makes.
Choose the answer
The author shows that space farming needs special tools, not Earth’s usual ways. So the answer is B, “Attempting to grow plants in space the same way they are grown on Earth would not result in success.”
Why this answer and not the closest wrong one
D is the closest wrong answer. Its first half fits the author: growing plants in space takes complex tools. But its second half says more research on Earth must come first. The article shows the opposite: NASA has grown plants in space for years. B sticks to what her words show.
More questions like this
The original DOE question
The passage “Excerpt from “Growing Peppers on the ISS Is Just the Start of Space Farming”” as printed (pages 50–51)
