T Tauri stars are pre-main sequence stars. They are not a particular star and can vary in size depending on the propagator star and the amount of matter around it.
T Tauri is a variable star in the constellation Taurus. Unfortunately, there is no data at the moment as to it's size, probably because of the amount of stellar material still orbiting it.
No, all T Tauri stars are very young, only a million or so years old (it is a stage in the birth of a star). Thus the Sun was once a T Tauri star but as it is now 4600 million years old, it left that...
The sun and the star are the same size. The sun only appears bigger because it is closer to us than the stars. answ2. To get a better idea, look up 'Hertzsprung - Russell' diagram in your favourite...
The Sun is 875,000 miles across, though scientists usually use kilometers, in which case it is 1,392,000 kilometers across. It is also very heavy. To write its weight in kilograms (1kg = 2 pounds,...