How big is نگهبان شمال?

نطاق نور چشم سحابی شعله است. نطاق همچنین شرقی ترین ستاره از سه ستاره ای است که کمربند شکارچی را تشکیل می دهند. دو تای دیگر روجینه و منطقه هستند، هر سه از زمین بسیار درخشان دیده می شوند.

Capella is actually a quaternary star- that means four stars orbit in the system! Two stars are G-type giant stars, while the other two are M-type red dwarfs. The largest one is the one you see to the left. The Sun is also a type-G star, but it's a main-sequence one.

If all the 7.8 billion humans stood on top of one another, and the bottom 7.7 billion humans didn't crumple under all the weight, the stack would be approximately 13 million kilometers tall.

Polaris is known as the North Star. It is very near the north pole, so if you want to know which way is north, just try to find Polaris. Locate the two stars on the far side of the Big Dipper, and go upward.

Aldebaran را نباید با Alderaan اشتباه گرفت، که یک سیاره در جنگ ستارگان است. Alderaan بسیار به زمین شبیه است از لحاظ اندازه، طول روز، و پوشش آبی. گرچه، دبران 5,000 بار قطرش بزرگتر است، هر 340 روز زمینی یک دور می زند، و آبی در آن وجود ندارد.

Albireo is made up of three stars total. Here we are just showing the largest one. Two of the stars are close, and form a yellow dot. The third is blue and further away. The blue star and yellow stars are so far apart it takes them 100,000 years to complete one orbit.