helioscope : Related Words Words similar in meaning to helioscope

• viewing«
• machina helioscopica«
• sun«
• injuring«
• spectrohelioscope«
• helio-«
• spectroheliograph«
• eye«
• sunspot observation«
• apparatus«
• heliometer«
• benedetto castelli«
• christoph scheiner«
• sun spot«
• solar telescope«
• white sheet«
• galileo«
• telescope«
• instrument«
• image«
• method«
• paper«

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