Ten billion years ago, before Earth existed, the Milky Way drew a smaller galaxy into itself and consumed it entirely — an act of cosmic gravity that left no visible scar, yet inscribed its memory into the very stars surrounding us. A new peer-reviewed study in Monthly Notices of the Royal Astronomical Society proposes that traces of this ancient merger may persist near our own solar system, encoded in stellar chemistry and orbital patterns. The finding invites us to consider that the ground beneath our feet, and the sky above it, are themselves artifacts of a violent and formative past.
Expresso
· May 17, 2026
· technology
· 1 min read
Medium
Sourcing: Characterized
Milky Way may have devoured dwarf galaxy 10 billion years ago, study suggests
◉
Science & Space
1341 related articles
NASA announces Artemis III astronaut crew for lunar mission
Google News · 99% match
Nasa anuncia astronautas para Artemis III, missão de teste lunar
Veja · 99% match
SpaceX launches Starship, world's most powerful rocket, resuming tests…
CNN Brasil · 99% match
NASA engineer: Moon settlement comes before Mars in space exploration …
Estadão · 99% match
NASA selects Blue Origin for second lunar lander in Artemis program
Valor Econômico · 90% match
Related Coverage
Folha de S.Paulo · Aug 22
Nasa compartilha foto aérea dos Lençóis Maranhenses nas redes sociais
A Nasa compartilhou foto aérea do Parque Nacional dos Lençóis Maranhenses no Instagram, destacando a beleza natural do p…
aventurasnahistoria.com.br · Aug 21 Microgravidade altera microbiota intestinal e causa constipação em astronautasEstudo financiado pela NASA revela que a microgravidade altera a microbiota intestinal de astronautas, causando fermenta…
Diário de Notícias · Aug 21 Erro de cibercriminoso expõe rede global StopAndProtect com 5000 computadores infetadosInvestigação da Check Point Research revela que um operador de cibercrime infetou acidentalmente o seu próprio computado…
Pplware · Aug 21 Starship sobrevive à reentrada e flutua 24 dias no oceano ÍndicoA SpaceX recuperou com sucesso a Starship Ship 40 após 24 dias flutuando no oceano Índico, tornando-a um laboratório val…
Economic Lens
📈
Astronomical research on ancient galactic merger has no direct economic implications; purely scientific discovery about Milky Way's 10-billion-year-old consumption of dwarf galaxy.
Market Signal
neutral
Confidence
HIGH
No direct consumer impact. This is fundamental astronomy research with no immediate applications to household economics or consumer goods/services.
No direct policy implications. May indirectly support continued funding for astronomical research and space science programs, but this is a long-term, indirect effect unrelated to economic regulation.
Bias & Framing
⚖
Article uses dramatic metaphorical language ('cannibalism,' 'devoured,' 'crime') to describe a routine astronomical phenomenon, potentially sensationalizing scientific findings.
Bias Direction
center
Confidence
HIGH
Sensationalism through anthropomorphic and crime-scene metaphors. The article frames a natural galactic merger as dramatic 'cosmic cannibalism' with a 'crime scene,' using vivid language to increase engagement rather than neutral scientific terminology.
canibalismo cósmico (cosmic cannibalism)
devorada (devoured)
engolido (swallowed)
crime (crime)
universo é caótico e violento (universe is chaotic and violent)
lei do mais forte (law of the strongest)
Scientific context explaining why galactic mergers are normal evolutionary processes
Expert commentary on the significance or limitations of the research
Alternative explanations or competing theories
Specific details about the research methodology or evidence
Geopolitical Impact
🌎
Astrophysical study on ancient galactic merger has no geopolitical implications; purely scientific research on Milky Way's 10-billion-year-old consumption of dwarf galaxy.
Escalation Risk
low
Confidence
HIGH