This morning we are celebrating a beginning. A beginning of what we think is great promise. It's the opening of a new era in the history of manned space flight. We are ready to take that first great step out into the Solar System and onto the surface of the nearest of the many mysterious worlds that surround us in Space.

The history of our study of our solar system shows us clearly that accepted and conventional ideas are often wrong, and that fundamental insights can arise from the most unexpected sources.

1992, J. Laskar, page 31 in, Sylvio Ferraz-Mello (editor), "Chaos, resonance, and collective dynamical phenomena in the solar system", International Astronomical Union Symposium,
I would like to stress out that the meaning of unstable for our solar system is very different than for another solar system.

Every satellite has turned out to differ in some significant feature from its neighbor: "[…]the sense of novelty would probably not have been greater if we had explored a different solar system".

Almost half of all U.S. households are unable to host a rooftop solar system because they rent or have inadequate roof space.

Solar system

Meaning

Noun

Name

Synonyms