essential
likely
maybe
probably not
Front (prompt)
First IKONOS image — where and when?
Plain English (default view) — short, conversational, lightly seasoned with science
🔬 Scientific / formula (revealed on click) — markdown + $$…$$ ok
**Washington, D.C.**, late 1999 (shortly after the Sept 24, 1999 launch). A landmark — sub-meter civilian imagery had been restricted to defense until then.
💡 Mnemonic / memory aid (shown on hover)
Cancel