The quote reflects a sense of reassurance in the immense power of a star at the heart of a solar system, highlighting its reliability and constant energy supply. The "vast hydrogen furnace" symbolizes not just a source of light and warmth, but also the stability it brings to the surrounding planets and life. It suggests that despite the chaos of the universe, there is comfort in knowing such a formidable force exists, tirelessly burning material to sustain life.

This notion of a "cheery" sun evokes a feeling of optimism and security. It contrasts the vast, empty cosmos with the life-giving properties of a star, implying that within the enormity of space, there are anchors that provide hope and continuity. The imagery paints a picture of a solar system sustained by a powerful natural process, where the furnace of hydrogen fuels not just celestial mechanics but also the potential for growth and existence across the universe.