Answer:
Now I know that my sense organs enable me to <em><u>Feel</u></em>
It's the mitochondria, the "powerhouse of the cell".
1) When a star's temperature or size increases, its luminosity increases. In other words it seems more bright.
2) The electromagnetic spectrum is used to determine different types of light waves (infrared, visible light, x-rays etc.) which produced by different kinds of astronomical objects.
Rounded seeds are 1/4 I think...
