Small-body mission · NASA (proposed; Cornell)

CAESAR (concept)

A NASA New Frontiers proposal to return a sample from comet 67P/Churyumov–Gerasimenko — the comet Rosetta explored. It was a finalist in the New Frontiers 4 competition but was not selected (Dragonfly was chosen instead).

Concept / proposedSample-Return Mission

Imagery

CAESAR (concept) — Gaius Iulius Caesar (Vatican Museum) — Gaius Iulius Caesar (Vatican Museum)
Portrait of Gauis Iulius Caesar (Vatican Museum).
Unknown authorUnknown author · Public domain
Source archive ↗

Targets & sample

Also:Comet 67P/Churyumov–Gerasimenko (proposed)

Mission & science

Goals: Return a sample of comet 67P to Earth for laboratory analysis of cometary volatiles and organics.
Outcome: Not selected in New Frontiers 4 (2019); a studied concept only.
Known limitations: A proposal, never built or flown.

Knowledge connections

Member of groupSample-Return Mission

Sources

The primary and reference sources this topic draws on.

NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.