Written by Esther Swamidason
In the recent months, controversies and discrepant opinions surrounding investments on spaceflights and astrology has flooded our social media feeds and day-to-day conversations. One argument that kept resurfacing was “Why spend billions of dollars on meaningless space travel when our own planet battles serious issues such as poverty and climate change?”. Well, in an era where celebrity spaceflights and influencer-funded missions to the edge of space make headlines, it’s easy to lose sight of the critical scientific foundations that these missions rest on.
What’s often dismissed as “space tourism” actually relies on decades of meticulous research and technological advancements in meteorology and astronomy, both of which are crucial for understanding and addressing climate change. So let’s set aside the stardust and selfies for a moment, and understand how these disciplines – far from being luxuries, are lifelines for a planet in crisis.
Meteorology vs Astronomy
Meteorology involves the systematic observation and analysis of atmospheric conditions, including temperature, humidity, wind patterns, and precipitation. By collecting and interpreting this data, meteorologists can identify trends and anomalies that signal shifts in climate. This information is vital for developing predictive models that forecast future climate scenarios, enabling societies to prepare for and mitigate potential impacts.
Meteorology and astronomy may seem like vastly different fields: one studies the Earth’s atmosphere, the other the universe beyond it. However, they are more interconnected than most people realize. For example, meteorologists use satellites to monitor Earth’s weather systems. Astronomers use similar technology to observe stars, planets, and galaxies. Agencies like NASA and ESA develop satellite missions that serve both disciplines (World Meteorological Organization, 2023).
Simultaneously, space telescopes scan for cosmic radiation, solar storms, and planetary atmospheres. These are critical for disaster preparedness, water management and more. For example, the Sentinel satellites under the European Space Agency’s Copernicus programme track environmental indicators like CO₂ concentrations and glacial retreat. NASA’s Terra and Aqua satellites use instruments adapted from astronomy missions to study Earth’s land and water systems (ESA,2025).
Climate change through the lens of other planets
Studying other planets in our solar system provides valuable comparative data that deepens our understanding of Earth’s climate systems. For example, Venus, often called Earth’s “sister planet,” offers a stark warning about the dangers of runaway greenhouse effects. Despite having a similar size and composition to Earth, Venus has an average surface temperature of about 465°C (869°F)—hot enough to melt lead—due to an atmosphere composed of over 96% carbon dioxide (CO₂) and a dense cloud layer of sulphuric acid (NASA, 2023). This extreme climate has been extensively studied using NASA’s Magellan mission and ESA’s Venus Express. This revealed how minor increases in CO₂ can trigger positive feedback loops, accelerating global warming (ESA, 2001). These insights support predictive models for Earth’s own warming trends, especially under “business as usual” emission scenarios projected by the IPCC (IPCC, 1990).
Mars, on the other hand, presents the opposite cautionary tale. Once host to vast river networks, ancient lakes, and possibly a thick atmosphere, Mars is now a cold, arid world with surface temperatures averaging −63°C (−81°F) and an atmospheric pressure less than 1% of Earth’s. Data from missions like NASA’s Perseverance Rover and the Mars Reconnaissance Orbiter indicate that much of the Martian atmosphere was lost to space over billions of years due to solar wind stripping, a process confirmed by findings from the MAVEN mission.
These planetary-scale climate shifts inform Earth-based models of atmospheric erosion and resilience, particularly in understanding tipping points in climate stability. Together, the study of Venus and Mars creates a powerful “bookend” view of what happens when planetary climate systems spin out of balance: one overheated, the other frozen and dry (Wordsworth, 2016). This helps us develop the ideology that Earth in fact is a rare and fragile middle ground worth protecting.
In Summary
In the end, the true value of meteorology and astronomy lies not in their ability to dazzle or entertain, but in their power to inform, warn, and prepare us for a future that demands serious planetary stewardship. When we study weather systems from orbit or decode climate signals from distant planets, we’re not escaping Earth but we’re investing in its survival. The technologies used to observe Martian dust storms or Venusian heat traps are the same ones helping us monitor rising sea levels, wildfires and atmospheric carbon here at home.
So, the next time someone dismisses space science as a luxury or labels meteorology as just tomorrow’s weather forecast, remember: these are the disciplines quietly working in the background, decoding the patterns of a changing Earth. They remind us that in the face of planetary crisis, the answers may not lie in escaping to other worlds, but in better understanding our own and that understanding is the most powerful tool we have in the fight against climate change.
Reference
World Meteorological Organization. (2023). Earth observation satellites. [online] Available at: https://wmo.int/topics/earth-observation-satellites [Accessed 30 April 2025].
Esa.int. (2025). Copernicus Sentinel Expansion missions. [online] Available at: https://www.esa.int/Applications/Observing_the_Earth/Copernicus/Copernicus_Sentinel_Expansion_missions [Accessed 30 April 2025].
NASA. (2023). Why is Venus So hot? We Asked a NASA Scientist: Episode 39 – NASA. [online] Available at: https://www.nasa.gov/general/why-is-venus-so-hot-we-asked-a-nasa-scientist-episode-39/ [Accessed 30 April 2025].
Mission Definition Report An Orbiter for the study of the atmosphere, the plasma environment, and the surface of Venus. (2001). Available at: https://sci.esa.int/documents/34571/36233/1567255504981-VenusExpressDefStudyRep.pdf [Accessed 30 April 2025].
Overview Preface to the IPCC Overview. (1990). Available at: https://archive.ipcc.ch/ipccreports/1992%20IPCC%20Supplement/IPCC_1990_and_1992_Assessments/English/ipcc_90_92_assessments_far_overview.pdf.
Wordsworth, R. (2016). The Climate of Early Mars. Annual Review of Earth and Planetary Sciences, [online] 44, pp.381–408. doi:https://doi.org/10.1146/annurev-earth-060115-012355.
