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Related Clues:
- Renewable energy choice
- Energy alternative to wind
- Clean type of energy
- Apollo adjective
- Alternative to wind or geothermal
- Part of NASA's LEM
- Clean energy option
- Take flight, holding line of the sun
- Word with panel or system
- ___ New Year
- 'Sunny' lake spotted in upward journey
- Fly high crossing line of the sun
- With 41-Across, a celestial event ... or a hint to four squares in this puzzle
- Particular star's upward movement, receiving medal finally
- Word before 'power' or 'system'