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H and He are hydrogen and helium, the elements involved in the primary fusion reaction within the Sun. Each second, millions of tons of hydrogen are fused into helium near the core of the Sun. This fusion process provides the energy released into space by most stars. As this energy is finally released on the Sun's surface (the photosphere), some protons and electrons are blown away from the Sun to form the "solar wind." The radiation emitted from the Sun is what provides the light and heat for the Earth and other planets.
What else can I help you with?
Why did the inner planets lose their hydrogen and helium?
The light hydrogen and helium gasses were swept out of the inner solar system by the intense solar wind of the young sun. The outer planets retained the hydrogen and helium as the solar wind diminished with distance.
Why are the inner planets not made of light?
I think the question is probably about "light elements".The inner planets are relatively warm and small. This means they have notbeen able to keep the lightest elements, hydrogen and helium, as gases.
What is the difference in composition between bodies found in the inner Solar System and bodies found in the outer solar system?
Bodies in the inner Solar System, like Mercury, Venus, Earth, and Mars, are predominantly made of rock and metals. In contrast, bodies in the outer Solar System, like Jupiter, Saturn, Uranus, and Neptune, are primarily composed of gases and ices, such as hydrogen, helium, water, and ammonia. Additionally, outer Solar System bodies are much larger and more massive compared to inner Solar System bodies.
Are inner planets gas giants?
No, the inner planets are the terrestrial or rocky planets. The outer planets are the gas giant planets; Jupiter, Saturn, Uranus and Neptune. They are mainly made up of Hydrogen and Helium gas.
How many electrons are there in the inner shell of hydrogen?
there are 2 electrons in the inner shell of a hydrogen atom.
Why did the inner planets lose their hydrogen and helium?
The light hydrogen and helium gasses were swept out of the inner solar system by the intense solar wind of the young sun. The outer planets retained the hydrogen and helium as the solar wind diminished with distance.
Why are the inner planets rocky?
The strong solar wind of the young sun blew most of the hydrogen and helium out of the inner solar system. Most of what remained was rock.
What substances were found within the inner 0.3 AU of the solar system before planets began to form?
rocks, metals, hydrogen compounds, hydrogen, and helium, all in gaseous form
What are the two main gases that make up the inner and outer planets?
Hydrogen and Helium.
Which inner planet mostly made of hydrogen and helium?
Jupiter and Saturn, though there is Helium and Hydrogen on Neptune and Uranus. The two buish planets are mostly menthane, which makes them blue. But Jupiter and Saturn have the most helium and hydrogen.
Why are the inner planets smaller when the outer planets are larger?
By mass, the majority of the matter orbiting the sun is hydrogen and helium. When the solar system was just starting to form heat from the sun and the strong solar wind drove most of the hydrogen, helium, and other gasses out of the inner solar system, leaving behind mostly rock and metal, which were much less abundant. The sunlight and solar wind in the outer solar system were much less intense, so these gasses remained in place long enough to become part of the giant planets.
Why is hydrogen the most abundant element in the universe not found in earths atmosphere?
Most of the hydrogen an helium was swept out of the inner solar system by the strong solar wind of the young sun before the planets had finished forming. Most of the hydrogen that remains on Earth is chemically bound up in water.
Why is hydrogen most abundant element in the universe not found in earths atmosphere?
Most of the hydrogen an helium was swept out of the inner solar system by the strong solar wind of the young sun before the planets had finished forming. Most of the hydrogen that remains on Earth is chemically bound up in water.
What is the only inner planet with no atmosphere?
Mercury is the only inner planet with no significant atmosphere. Its thin exosphere consists mainly of oxygen, sodium, hydrogen, helium, and potassium.
What are the two main gases in the Sun?
Hydrogen and Helium . When all the hydrogen is used up , it is thought that the helium will convert into carbon, and the Sun will become a Red Giant. At this late stage it will swallow up all the inner rocky planets including Earth; but that is millions of years into the future.
What materials is the solar system made out of?
The Sun is mainly hydrogen and some helium. The inner planets are mainly rock with metallic cores. The outer planets are mainly hydrogen and helium with other things such as water, ammonia and methane. They may have rocky cores. Then there are the asteroids, dwarf planets, comets, etc. These contain rock, dust, ices and gas in various amounts. That's a brief outline of the materials in the Solar System.
Will the sun melt?
The sun will not melt as it is a massive ball of hydrogen and helium undergoing nuclear fusion in its core. It generates its energy by converting hydrogen into helium, which produces heat and light. However, in about 5 billion years, the sun will exhaust its hydrogen fuel and evolve into a red giant, expanding and engulfing the inner planets of our solar system.
