from 1700 to 1800 the greatest number of sunspots was just over what
150 sunspots
Bill Nye the Science guy
To find the greatest number of sunspots from 1700 to 1800, you would need to refer to historical records or scientific data on solar activity during that period. Here's how you can approach it:
1. Check astronomical journals, scientific databases, and books: Look for reputable sources that focus on astronomical observations and solar activity during the 18th century. Journals like "Solar Physics" or "Astrophysical Journal" may have published studies on historical sunspot records.
2. Consult historical solar observations: Many astronomers in the past meticulously recorded their observations of sunspots. Look for primary sources, such as diaries or notes from renowned astronomers of that time, like Galileo Galilei or William Herschel.
3. Access scientific databases and repositories: Various scientific institutions maintain historical records of solar activity. One such resource is the Royal Observatory of Belgium's "Sunspot Index and Long-term Solar Observations" (SILSO) database. You can find sunspot data dating back several centuries there.
4. Analyze the data: Once you have the source data, analyze it to identify the period with the greatest number of sunspots. Be aware that sunspot data might have uncertainties, so it's always good to cross-check with other sources for verification.
Remember that the number of sunspots varies in cycles, known as the solar cycle. The sunspot cycle averages about 11 years, but it can vary from 9 to 14 years, so the greatest number of sunspots may not fall exactly within a single year but rather within a specific period.
By following these steps, you should be able to find the historical record of the greatest number of sunspots from 1700 to 1800.