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.
I don't have a specific birth year, but I can tell you that sunspots vary in number based on the solar cycle, which lasts about 11 years. If you provide your birth year, I can look up the average number of sunspots during that time. Generally, during periods of solar maximum, sunspot numbers are higher, while they decrease during solar minimum.
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.
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
You have your doctor tell you what you have.
tell me the answer
tell me
tell me