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Based on what you read in the article, match the vocabulary term to its definition by typing the letter of the term in the appropriate blank.

A. Core	B. Gravitational warp
C. Implode	D. Radiates
E. Supernova explosion	F. Evolve
G. Infinite	H. Nuclear reactions
I. Solar flare	J. X-rays

1. Emits rays of heat or light.
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2. A black hole.
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3. To develop or change gradually.
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4. The center-most point.
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5. A brief powerful eruption of particles and intense electromagnetic radiation from the Sun's surface.
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6. A form of electromagnetic radiation, similar to light but of a shorter wavelength.
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7. A process in which the structure of an atomic nucleus is altered through release of energy or mass or by being broken apart.
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8. To burst inward.
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9. Unlimited or unmeasurable in extent of space, duration of time, etc.
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10. The explosion of a star, possibly caused by gravitational collapse, during which the star's luminosity increases by as much as 20 magnitudes.
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