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Astronomy
Reference guide for dark matter evidence, candidates, and detection methods.
Open Dark MatterAstronomy
Calculate escape velocity from mass and radius. All planets reference.
Open Escape VelYour specific task is reference guide for dark matter evidence, candidates, and detection methods. Open the page, drop your input, get the result — typically under a second.
Your goal is calculate escape velocity from mass and radius. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. Dark Matter focuses on reference guide for dark matter evidence, candidates, and detection methods; Escape Vel focuses on calculate escape velocity from mass and radius. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both Dark Matter and Escape Vel work without signup. We only ask for an email if you decide to subscribe to a paid plan.