Hydrogen.
Hydrogen, the most common element in the entire universe.
Hydrogen.
Most of the outer planets, such as Jupiter and Saturn, contain hydrogen as the primary light element. Hydrogen is the most abundant element in the universe and makes up a significant portion of these gas giants' composition.
they are gas giants
All the gas giants have rings and no solid rocky cores.
Gas giants do not produce light like stars do. They reflect light from the Sun due to their lack of a solid surface. Some gas giants, like Jupiter, have their own internal heat source which can produce a small amount of light in the infrared spectrum.
any gas compound or element that exists on earth. but we are yet to discover new planets
They are both planets !!!!
They are gas giants with ring systems.
Technetium is considered an extinct isotope, as is promethium. Their abundence is pretty much zero.
Neon is an element found in the form of a gas. It is a rare gas that is found in the Earth's atmosphere.
Helium