you can't
a comet has tail behind it while a star is like a little dot.
Diamond is much harder than Sapphire. also the Diamond will be more sparkly.
A satelite orbit the Earth.An international space station is a space-based construction for staying scientists in long time periods to observe cosmos.
That depends, some gems are being made now to look almost completely like the real thing. However these are marked specifically because they are so hard to tell from natural diamonds. However, cheap diamonds that are crystal or glass will be obvious form the naked eye due to the clarity, and color.
No, mass and gravity are not the same. Mass is the amount of matter in an object, while gravity is the force that attracts objects toward each other. Mass determines the amount of gravitational force an object experiences.
it gets smaller and goes away.
how can you tell the difference between a tortoise and a turtle by shell in picture
Can you tell the difference between Vyvanse and Concerta in a drug test
Vending machines have laser scanners that can tell the difference between the bills.
you can tell the difference between right and wrong from the little voice inside your head
please tell me the difference between thickness
No difference
no but you can tell the difference by taste
tell me
tell me the answer
tell me
You have your doctor tell you what you have.