it takes the earth a solar year to complete one revolution round the sun.而不是：a solar year takes the earth to complete one revolution round the sun.如果选D，就变成了第二种情况，这明显不对（不符句型结构）回过头来看整句，其实是：A solar year is the length of time _(that) ...
When I was young, there was an amazing publication called The Whole Earth Catalog, which was one of the bibles of my generation. It was created by a fellow named Stewart Brand not far from here in Menlo Park, and he brought it to life with his poetic touch. This was in the late 196...
Time - Duration, Perception, Flow: Since the classic interpretation of Einstein’s special theory of relativity by Hermann Minkowski, a Lithuanian-German mathematician, it has been clear that physics has to do not with two entities, space and time, taken
Until recently however, these two communities were mostly independent from one another and the potential resolving power of integrating their efforts in deep time has been largely underutilized.CRAMER, Bradley D
He drained it, and it seemed to do him good: for he looked round the table, and the ghost of his old smile flickered across his face.'What on earth have you been up to, man?' said the Doctor.The Time Traveller did not seem to hear.'Don't let me disturb you,' he said, with...
determined by the warping or curving of the surface. One of the basic tenets of general relativity is that inside a container following a geodesic of space-time, such as an elevator in free-fall, or a satellite orbiting the Earth, the effect would be the same as a total absence of...
It had been taken for granted—both by those who followed Kant’s ideas and those who did not—that there is a single worldwide time order and that each instant of this order corresponds to a definite contemporaneous state of the whole universe. This, as Einstein observed, was only an ...
Towards the head waters of the canyon you get a treat: some of the oldest rock visible on Earth, some 2.9 billion year old precambrian metamorphic rock, makes an impressive display. This black stone is twisted and gnarled and provides for some dramatic scenery as both the highway, and the...
The Einstein Cross, aquasarin thePegasus constellation,according to the European Space Agency(ESA), and is an excellent example of gravitational lensing. The quasar is seen as it was about 11 billion years ago; thegalaxythat it sits behind is about 10 times closer to Earth. Because the two...
The larger-than-life alien encounters and earth-shattering explosions make this a must-watch for any fan of the genre. Released: 1996 Directed by: Roland Emmerich Dig Deeper 13 Things That Prove Pacific Rim And Independence Day Are The Exact Same Movie Also ranks #14 on The Biggest Movies ...