Yes
None of them produce their own energy
Answer:
If the pancreas did not stop producing insulin and blood sugar levels did not dropped to normal levels so it causes a disease called hyperinsulinemia. This disease causes heart disease and cancer in the body. With increased levels of insulin makes the cells resistant to harmone which means there is no effects of harmone on the cell and the body didn't perform its functions properly. The increase in insulin levels increase the absorption of sugar from the blood and the person gets more weight which is not good for health.
They use radiometry and pyrometry
NASA uses the Transiting Exoplanet Survey Satelite (TESS) telescope that employes this technology
This telescope measures the brightness/luminosity of stars. When this brightness drops regularly, every more or less in the same number of years, then there is the likelihood of a planet orbiting the star. The dip in brightness of the star is directly proportional to the size of the planet and the distance between the star and the orbiting planet.
Gravity, wind, ballistic, water, and by animals.