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Basically, Newton's Third Law ALWAYS applies.To accelerate an object, you need to apply some force to it. There MUST be a counterforce, from the object back to the object that pulls or pushes it.
Astronomers label the stars within constellations according to apparent magnitude.
Moon rocks
Some astronomers study how matter behaves using particle accelerators.
Some astronomers enjoy debating fine points of the Big Bang theory, but virtually all astronomers and astrophysicists accept it as the likely origin of our current universe.
Basically, Newton's Third Law ALWAYS applies.To accelerate an object, you need to apply some force to it. There MUST be a counterforce, from the object back to the object that pulls or pushes it.
Some astronomers are likely to be good at DIY, but most would probably get a contractor in.
Astronomers have decided that Pluto does not meet the definition of a planet.
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Astronomers, mostly those who work for NASA. Some astronomers from Universities can also access it.
Astronomers label the stars within constellations according to apparent magnitude.
It is conditional addition. You only include some members of the data in your addition - based on some specified criterion.
As astronaut travels into outer space and some have been killed doing so. Most astronomers stay on the planet Earth and look up into space. There have been astronauts who are astronomers, but, most astronomers are not astronauts. There have been tens of millions of astronomers looking up at outer space, but, only a few hundred astronauts. No, they are not the same.
speed of light
Moon rocks