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these is waves are emitted by stars and some radioactive substances​

Sagot :

Answer:

Electromagnetic Spectrum

Explanation:

The electromagnetic (EM) spectrum is the range of all types of EM radiation. Radiation is energy that travels and spreads out as it goes – the visible light that comes from a lamp in your house and the radio waves that come from a radio station are two types of electromagnetic radiation. The other types of EM radiation that make up the electromagnetic spectrum are microwaves, infrared light, ultraviolet light, X-rays and gamma-rays.

Answer:

GAMMA RAYS

Explanation:

Gamma rays are given off by stars, and by some radioactive substances