The Solar System: Challenge 1
- Page ID
- 6152
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- 1. The SOHO spacecraft ___.
- has been in orbit around the Sun since 1996 and sends solar data and images back to Earth
- 2. The Sun makes up about ___ percent of all the mass in the solar system.
- 99.8
- 3. If the Sun was the size of an official league basketball, Earth would be about ___ in diameter.
- 2 millimeters
- 4. The region of the Sun that emits sunlight is the ___.
- photosphere
- 5. The inner layers of the Sun, from inside out, are ___.
- the core, the radiative zone, and the convection zone
- 6. The chromosphere, the layer between the corona and the photosphere, is the ___ layer of the Sun.
- coolest
- 7. Jets of gas sometimes fly up through the ___.
- chromoosphere
- 8. The photosphere is about ___ degrees Celsius.
- 6,000
- 9. The temperature of the chromosphere ranges from about ___ degrees Celsius to ___ degrees Celsius.
- 4,000; 10,000
- 10. A strong solar flare can lead to ___.
- coronal mass ejections
- 11. Sunspots are ___.
- cooler, darker areas of the Sun
- 12. ___ are plasma loops that connect two sunspots.
- Solar prominences