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2023 A-Level GP · Paper 1 · Question 3

Justifying space travel

What this question asks

This question asks whether it makes sense to spend money on space travel given the pressing problems on Earth, and whether the spending can be defended at all.

Question type: Consider the view

An ETG General Paper original study guide to the 2023 A-Level GP Paper 1 essay on science & technology. Not affiliated with, or endorsed by, UCLES, Cambridge Assessment or SEAB. A study aid, not an official answer.

Read the question first
Define these terms
  • cannot be justified: no defensible case at all, the absolute the view rests on
  • spending money on space travel: crewed exploration and launch, distinct from satellites and space science generally
  • in today's world: against present priorities such as poverty, climate and inequality
The hidden assumption

The view assumes space spending competes directly with solving earthly problems, as if the money would otherwise go to the poor, and that 'space travel' is one undifferentiated thing rather than a spectrum from weather satellites to Mars vanity projects.

The calibration axis

conditions: space spending is justified where it yields returns earth cannot get otherwise, and far harder to justify where it is prestige or billionaire tourism, so the verdict depends on what kind of space spending we mean.

Two ways to argue it

How to approach it. Examine the claim that space-travel spending is unjustifiable, testing it against the returns space delivers, the scale of the spending, and the alternative uses the word 'cannot' rules out.

Option A · Conditions: returns vs prestige

Spending on space can be readily justified where it delivers returns we cannot get on the ground, from climate monitoring to the technology spun off from exploration; it is far harder to justify where it is national prestige or private tourism, so 'cannot be justified' fails as an absolute the moment we distinguish the kinds of space spending.

The argument, point by point
  • Space spending is justified when it produces earthly returns no other investment can, especially the satellites that run modern life.
    Why Weather, navigation, communications and climate observation all depend on orbital infrastructure, so cutting space spending would blind the very systems we use to manage earthly problems.
    Example Earth-observation satellites are central to climate science, disaster warning and agriculture, the same priorities the 'today's world' objection invokes (NASA / ESA earth science, as_of 2026-06).
    Then evaluate But satellites are arguably not what most people mean by 'space travel'; the view's real target is crewed exploration, so this defends the easy case.
  • Even crewed exploration is partly justified by the technology it forces into existence, which then pays off on earth.
    Why Hard exploration goals drive innovation in materials, medicine, computing and energy that diffuses into the wider economy, so the spending buys more than the mission.
    Example Spin-offs from exploration programmes, from water-purification to medical imaging advances, are widely documented, though specific 'invented by NASA' claims should be checked before quoting (NASA spinoff record, as_of 2026-06).
    Then evaluate Yet spin-off arguments can be lazy: the same innovation might come from funding the problem directly, so this justifies exploration only weakly.
  • The 'cannot' collapses fastest against the scale of the spending, because space budgets are tiny next to the problems they are accused of starving.
    Why If the money saved by cutting space would barely dent global poverty, then framing space as the thief of earthly welfare is a false trade-off, so the absolute rests on a misjudged comparison.
    Example NASA's annual budget is around 25 billion dollars, a small fraction of US federal spending and far below what is spent on, say, defence or welfare (NASA FY2024 budget about 24.9 billion dollars, as_of 2026-06).
    Then evaluate The honest test: cutting space would not feed the world; the money is too small and would not be redirected there anyway, which guts 'cannot be justified'.
  • Where the view does bite is prestige projects and tourism, whose returns are private or symbolic rather than public.
    Why When the goal is national flag-planting or a billionaire's joyride, the public return is thin, so the justification weakens exactly where the spending is most visible and resented.
    Example Crewed Moon-return programmes now run to enormous sums, with NASA on pace to exceed 100 billion dollars on Artemis by the mid-2020s, inviting the question of what the public gets back (widely documented, as_of 2026-06).
    Then evaluate So the view is not wrong everywhere; it is right about the vanity end of the spectrum and wrong about the infrastructure and science end.
Strongest counter & rebuttal

There is a real ethical force in the objection that any discretionary spending on space is indefensible while basic human needs go unmet, and a serious answer must feel that force rather than dismiss it. But the objection proves too much, since it would condemn all discretionary spending, from the arts to sport to fundamental research, and it rests on the fiction that space money would otherwise reach the poor, when the budgets are small, the redirection imaginary, and much space spending directly serves the earthly problems the objection cares about.

Measured conclusion

Spending on space can be justified, and easily so for the satellites and science that underpin life on earth, weakly for the technology exploration forces into being, and poorly for prestige and tourism; the view that it 'cannot be justified' fails because it lumps a whole spectrum together and rests on a trade-off with poverty that the small, non-transferable budgets do not support.

What makes this Band 1: Lifts to the top band by distinguishing kinds of space spending rather than defending or attacking it wholesale, by puncturing the false poverty trade-off with the actual budget scale, and by conceding the moral force of present need before bounding it.
Option B · Premise-rejecting: the false zero-sum with earthly need

The view's whole force rests on a false premise, that space spending and solving earthly problems are a zero-sum choice, when in reality space spending often is solving earthly problems and the money would not otherwise be redirected to them, so the question is not whether to spend on space but how to spend on it well.

The argument, point by point
  • The zero-sum framing is false because much space spending directly serves earthly priorities rather than competing with them.
    Why If the satellites that monitor climate, warn of disasters and connect remote regions are 'space spending', then cutting it harms the poor the objection claims to defend, so the trade-off is backwards.
    Example Satellite data underpins famine early-warning, climate modelling and rural connectivity in developing countries, the exact 'today's world' problems cited against space (earth-observation applications, as_of 2026-06).
    Then evaluate So 'spend on earth instead of space' is incoherent where space is how some earthly problems are addressed.
  • The redirection assumption is also false, because money cut from space rarely reaches the poor.
    Why Public budgets are political, not communicating vessels, so a cut to space funds tax relief or other line items far more often than poverty relief, which means the moral trade-off the view imagines does not occur.
    Example Historic cuts to space programmes have not produced matching increases in development or welfare spending, which follow their own political logic (budget-history pattern, as_of 2026-06).
    Then evaluate The complication for the view: it assumes a transfer that the political world does not deliver, so the objection's premise is hypothetical.
  • Reframed, the real question is the quality of space spending, where the public-return distinction does the work.
    Why Asking which space spending earns its keep separates infrastructure and science, which clearly do, from prestige and tourism, which often do not, so the useful debate is allocation, not abolition.
    Example The contrast between earth-observation budgets and the cost of crewed prestige programmes like Artemis shows the spectrum of returns within 'space travel' itself (NASA budget lines, as_of 2026-06).
    Then evaluate This is the payoff: dropping the zero-sum lets us criticise wasteful space spending without the indefensible claim that none can be justified.
  • The long-horizon case also escapes the 'today's world' framing, because some space spending is insurance against existential risk.
    Why Asteroid detection and the long-run case for not keeping the species on one planet are bets against low-probability, civilisation-ending outcomes, so dismissing them as luxuries misjudges the stakes.
    Example Planetary-defence missions to test deflecting asteroids treat space spending as risk insurance, not adventure (planetary-defence programmes, as_of 2026-06).
    Then evaluate Granted, this is the weakest, most speculative end, but it shows 'cannot be justified in today's world' ignores risks today's world genuinely faces.
Strongest counter & rebuttal

It is true that public money is finite and that even if space budgets would not flow to the poor, they could fund other public goods, so the opportunity-cost concern is not dissolved merely because the specific poverty transfer is fictional. But opportunity cost is an argument for spending on space wisely, not for the absolute that it cannot be justified at all, since by that logic any spending fails an opportunity-cost test against some more urgent alternative, which would paralyse every discretionary choice a society makes.

Measured conclusion

The view that space spending cannot be justified collapses once its hidden premise is exposed: space is often how earthly problems are solved, the money would not otherwise reach the needy, and opportunity cost argues for spending well rather than not at all, so the defensible position is to fund the infrastructure and science generously, scrutinise the prestige, and abandon the false zero-sum altogether.

What makes this Band 1: Reaches the top band by naming and dismantling the zero-sum premise the view depends on, by distinguishing redirection-in-theory from redirection-in-practice, and by conceding genuine opportunity cost without conceding the absolute.
How the two approaches differ

Option A accepts the justify-or-not frame and conditions the answer on the kind of space spending, returns versus prestige. Option B rejects the premise that space and earthly need are zero-sum, arguing the trade-off the view relies on is largely fictional. Both are defensible: A is the measured spectrum answer a marker expects; B is the premise-rejecting move that scores higher if the false-trade-off argument is held without overreaching into 'space is always worth it'.

Common pitfalls
FAQ
How do I beat the 'spend it on the poor instead' argument?
Attack the trade-off, not the compassion. Space budgets are small (NASA's is about 25 billion dollars a year) and money cut from space does not flow to poverty relief; it follows its own political logic. Add that much 'space spending', satellites for climate and disaster warning, directly serves the poor. So the zero-sum the objection assumes does not exist.
Are space spin-offs a good argument?
Use them carefully. Real spin-offs exist, but many famous claims (Velcro, Teflon) are myths, and markers penalise shaky facts. The spin-off case is also weak in principle: the same innovation might come from funding the problem directly. Lean on the harder evidence, satellite infrastructure and the false poverty trade-off, instead.
Should I defend crewed exploration like Artemis or Mars missions?
Defend it weakly and honestly. Crewed prestige programmes now cost enormous sums (Artemis is on track past 100 billion dollars), and the public return is thinner than for satellites. The strong answer justifies space infrastructure and science generously, scrutinises prestige and tourism, and refuses to defend space spending wholesale.
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This approach also helps with

2011 Q9: space research can be justifiedThe returns-versus-prestige spectrum, the budget-scale rebuttal and the false-trade-off argument transfer almost directly to the earlier space-research question.2009 Q1: it is possible to eliminate global povertyThe opportunity-cost and redirection-in-practice reasoning answers how scarce resources should be weighed against the goal of ending poverty.