Answer:
Hey!
Stars are formed from massive clouds of dust and gas in space CALLED NEBULAE. Gravity pulls the dust and gas together to form a PROTOSTAR...much like a baby star!
These gases come together, and as they do, the temperature begins to increase...
The finished stars are formed when the OPTIMUM TEMPERATURE is released for the chemical reactions within to start!
OUR SUN'S COLOUR IS WHITE! (Although its actually all the colours mixed together)
Explanation:
HOPE THIS HELPS!!
Answer:
La materia prima a partir de la cual se extrae el aluminio es la bauxita, que recibe su nombre de la localidad francesa de Les Baux, donde fue extraída por primera vez.
Explanation:
Answer: A. brittle deformation; cold.
Explanation: The Earth's crust is more brittle towards the surface as a result of cooling. Temperature changes can lead to rock expansion and contraction this continuous expansion and contraction will subsequently lead to fracturing or brittle deformation.
The outcome of brittle deformation in rocks is synonymous to that of broken plates i.e. fractures.
The doppler effect changes the wavelength of the light emitted, depending upon whether source is moving away or coming towards the detector.
Doppler effect in light is actually a relativistic effect (caused due to relativistic time dilaton and can be explained by special theory of relativity) but somewhat similar to the one which happens in sound waves. This effect has nothing to do with the bending in spacetime.
When the source is moving away from the detector, the wavelength of the light emitted from the source appears to be increased as seen by the detector (think of a wave being stretched), as a result the frequency decreases (since, speed of light is constant in all frames). Due to this decrease in frequency the light emitted from the source appears more red (since red color is on low frequency side in the electromagnetic spectrum) compared to the situation when source was at rest.
Vice versa for the source moving towards the detector
This shift in frequency is also known as doppler shift.
The shift in frequency when the source is moving away is known as redshift and the opposite one is known as blueshift.
Welppp it shows time and we have the sun and the moon
For example:
Sun=day
Moon=night
Tada
Hope you have a marvelous day and think positive thoughts:)
