1. billions
2. nebula
3.
4.
5. hydrogen
6. betelgeuse
7. supergiant
i’m not 100% sure about 3 and 4 but thermonuclear fusion is when stars fuse together and therefore i would say they expand. hope this helps anyway.
The outer plantes are Jupiter,Saturn,Uranus, or Neptune
When an object has the gravity to pull itself into a sphere, astronomers say that it's in hydrostatic equilibrium. And that's why the Earth is round. Of course, the Earth isn't perfectly round. Because it's turning on its axis approximately once every 24 hours, the Earth's equator bulges outwards.
Metropole e uma grande cidade sao exemplos Rio de Janeiro-RJ e São Paulo-SP
Answer: yea i need a brainlist bud
Explanation:Carbon contains four electrons in its outer shell. Therefore, it can form four covalent bonds with other atoms or molecules. The simplest organic carbon molecule is methane (CH4), in which four hydrogen atoms bind to a carbon atom (Figure 1). ... (a) This molecule of stearic acid has a long chain of carbon atoms.