Pickering

Definition

Pickering was an astronomer known for his work in the classification of stellar spectra and contributing to our understanding of stellar masses. He also founded the Harvard College Observatory's program that led to significant advancements in astronomy.

5 Must Know Facts For Your Next Test

1. Edward Charles Pickering developed the first system for classifying stars based on their spectral characteristics.
2. He recruited a group of female 'computers,' including notable astronomers such as Annie Jump Cannon, who played a crucial role in stellar classification.
3. Pickering's system was later refined into the Harvard Spectral Classification scheme, which is still used today.
4. He demonstrated that different spectral lines correspond to different temperatures and compositions of stars.
5. Pickering’s contributions laid the groundwork for modern methods of measuring and understanding stellar masses.

Review Questions

• What was Edward Charles Pickering's main contribution to astronomy?
• How did Pickering's team at Harvard College Observatory impact the field of stellar classification?
• In what way did Pickering's work contribute to our current methods of measuring stellar masses?

Related terms

Harvard Spectral Classification: A system used to classify stars based on their spectral characteristics and temperature.

Annie Jump Cannon: An astronomer who worked under Pickering and refined the Harvard Spectral Classification scheme.

Stellar Spectrum: The range of electromagnetic radiation emitted by a star, used to determine its composition, temperature, and other properties.