The earth is not a star. Why?
10 Answers
Shrey Bhangale, studied at Banutai Gopalrao Shanbhag Vidyalaya, Saavkheda
Answered April 23, 2019
Because In our galaxy sun is the only one star. Due to the sun , earth and other planets are formed. Sun has been burning. In sun hydrogen and helium continuously burns it combines to form the energy it explodes. When the sun exploded its exploded parts are spread over the millions and trillions miles far away from the there original destination. Then the debris from space forms a layer on the exploded parts. Then it is continue over the billions years and forms a planet or satellite. Then this planets shows the various property like:
They have atmosphere
The formed planet is the mixture of various gases
3. There are various metal found in planet
Thus star does not show the properties like like planet and also planet does not show the similar properties like star.
Thus Earth is a planet not sta
… (more)
Charles R. Butler Neto, M. Div. Theology & Prison Ministry, Howard University Schood of Divinity (2017)
Answered November 16, 2017
If you were living on Mars and looked toward the sun, you would see a blue something moving back and forth across the heavens. That would be Earth:
It does not shine by its own light, it reflects the light of the Sun.
It does not radiate nuclear fusion.
It has cleared the area in its orbit of similar sized objects (well that pesky thing called the Moon is close to its size).
Putting those three things together it is what astronomers call a planet, not a dwarf planet, a comet, or an asteroid. It is not a star.
As an object in the sky, the ancients would have called it a star, then a planet, but it is not a star in the current parlance.
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Jitender Sharma, MCA Computer Science & Astronomy, Uttarakhand Technical University (2018)
Answered November 17, 2017
Earth is not a star because it not big enough to fuse elements to start a fusion reaction. A star is a huge ball of hydrogen whose gravity is so huge that it stars fusing hydrogen at its core and thus radiates a tremendous amount of energy. As to your question why earth is not a star because it is too small to fuse anything it is a rocky planet.
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Adam Pilant, former Mechanic at U.S. Marine Corps (2009-2013)
Answered November 16, 2017
The earth doesn't have enough mass in order for gravitational pressure to start fusion (fission?). Also, the earth has a large percentage of heavier elements, which stars don't really like using as fuel.
When our solar system was forming, the interstellar dust gathered and eventually formed the sun. Later, heavier materials were captured by the sun's gravity, and started to combine, creating stellar masses, the planets and moons (very simplified version). At the time the earth was forming, the conditions needed for it to have formed into a star were no longer present.
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1 comment from Ian Friskus
Travis Lawrence, works at Sincerely
Answered November 16, 2017
Because it isn’t massive enough to begin hydrogen fusion. When something has enough mass the gravity of that object is so strong is causes fusion, which is what ignites a star.
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2 comments from Peter Lynn and more
Matthew Oswald, Geologist at Consultants (2009-present)
Answered November 16, 2017
Because it does not shine by its own light.
Please note that “own light” can be anywhere on the spectrum; not just visible light.
Stars create the light that they shine by through the fusion of lighter elements to heavier elements, until they become Neutron Stars, which do not shine by fusion and are just weird and I don’t feel like going into it.
208 views
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Johann Breedt, former Tutor - Mathematics, European and Classic History
Updated November 18, 2017
Earth is a rock covered mostly in water. It does not consist of hydrogen, which is is present in enough massive quantities, would have started the fusion process which would have have converted hydrogen into helium which, in turn, would release the massive amounts of light/energy which we know as solar radiation, consisting mostly of gamma-, infra red- and ultra violet radiation.
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