Exploring Hisako Koyama's Impact on Solar Activity Records

What event in 1944 provided Hisako Koyama with the opportunity to start her astronomical observations?

• A solar eclipse

• Allied bombings and blackouts

• A meteor shower

• A lunar eclipse

Tags

NGSS.MS-ESS1-1

How did Koyama project the sun's light to sketch its surface?

• By angling her telescope towards the sun

• Using a magnifying glass

• By using binoculars

• With a camera

What is the process called where hydrogen atoms fuse into helium atoms in the sun?

• Chemical reaction

• Radioactive decay

• Nuclear fusion

• Nuclear fission

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What are sunspots and why do they appear dark?

• They are cooler regions with less light due to strong magnetic fields

• They are regions with no magnetic activity

• They are hot spots on the sun's surface

• They are areas with more light

What made Koyama's observations and sketches valuable despite her lack of formal training?

• They were done with advanced equipment

• They were done quickly

• They were remarkably accurate

• They were colorful

Where did Koyama continue her work after receiving support from the Oriental Astronomical Association?

• Her home

• National Observatory

• Tokyo Museum of Science

• Tokyo University

How many drawings of the sun's surface did Koyama produce over her career?

• 1,000

• 5,000

• 15,000

• 10,000

What solar phenomena can be tracked using Koyama's detailed records?

• Lunar phases

• Meteor showers

• Solar flares

• Solar eclipses

Tags

NGSS.MS-ESS1-1

What shape do sunspots follow over the sun's surface during the 11-year cycle?

• Spiral

• Butterfly-shaped

• Linear

• Circular

How did Koyama's work help in reconstructing historical sunspot activity?

• By inventing new technology

• By using modern satellites

• By providing a baseline for comparison

• By collaborating with other scientists