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What an excellent question. It appears you already realize that if you are talking about stars other than our sun, you are talking about stars that are many lightyears away from us, and not even powerful telescopes will easily detect planets orbiting around them. One thing that astronomers can sometimes detect is the slight wobble of distant stars as planets orbit around them. You might not realize that suns would move as a result of a planet's orbit. Imagine you and a friend holding on to the ends of a rope. If you begin to move in a circle, you will each feel the centripedal force pushing you outward. Neither of you would be able to stand perfectly still while the other circled with the rope. Another thing that astronomers can detect using very sensitive equipment is the slight reduction in brightness of a star when a planet's orbit brings the planet between us and its star. If this reduction in brightness is regular enough, it may be an indication that there is a planet in orbit.
No. Humans could not live on Neptune. The planet is extremely cold, its atmosphere is not breathable, and there is no solid surface to stand on. Although in the distant future we could see a space station in orbit around Neptune which would send probes, and ships into the atmosphere for scientific study.
Early astronomers doubted that the planets, particularly the Earth, revolved around the sun because from the perspective of an observer on Earth, the planets seemed to be at rest. They believed that the sun particularly moved around the Earth.
What does diamonds stand for
What does MWCO stand for
well stand ou tfor them. If u stand out for her then if u get bullied then tell the principal. It doesnt hurt to be a tattletale
some one that doesnt no anything
nothing, doesnt exsit.
oovoo doesnt stand for anything. its a place where you can video chat with people. its like Skype
no she doesnt
you stand next to it and press A, if that doesnt work, it doesnt do anything
Mi familia no entiende
It doesnt stand for anything its the name of a prophets freind.
no, he cannot stand them
it stands for happy who doesnt know that you an ass
It doesnt because people in america are mean people!!
if you are sure he likes you back you stand up for him/her. if people look at you strangely it doesnt matter you stand up for them and see where it gets you