The thesis SpaceDew is built on. The word Filter has dual meaning. First, we filter the stock market down to only the companies contributing to humanity's expansion beyond Earth. Second, it references The Great Filter — a concept from the Fermi Paradox suggesting that civilizations face existential bottlenecks on the path to becoming spacefaring. Becoming multiplanetary may be how we pass through ours.

On the Kardashev Scale, a Type I civilization can harness all the energy available on its home planet. Humanity is currently estimated at approximately 0.73. The companies tracked by SpaceDew are building the infrastructure — energy, transport, intelligence, habitation — that moves us closer to Type I status.

Mission-control nickname for the Today screen. In space mission terminology, Base Alpha is your primary operations hub — the command center from which all exploration begins.