Explain how old is our earth?
Answer / Prashant Kumar Pandey
The Earth is approximately 4.54 billion years old, as determined by radiometric dating of rocks and other evidence.
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Describe the atmosphere on Venus, Mar and Jupiter.
Who were the ancient astronomers of the west?
What is the density of stars?
What is the constant called that is the average flux of the suns energy arriving at the earth?
How does gravity affect life on pluto?
Is the gravitational pull on an object equalized if the object is at the center of a planet, i.e. Surrounded by the mass of the planet, which is creating the gravity?
How many moons do Mars planet have?
Which of the pulsating variable star whose brightness varies in a very regular time period of about 1-50 days?
What are gamma ray bursts?
If the temperature of a star increases from 10,000k to 30,000k, by what factor will the rate of energy radiated per second increase?
Explain how far away from earth, is space?
What is heavenly ganges ( milky way ) galaxy?