But William Howard Taft should also be famous for his work as Chief Justice of the Supreme Court after he left the White House, because he totally redefined the Court’s role. Have you ever heard about some controversial legal case where everybody was on pins and needles,waiting to seeif ...
Astrolabes are simple yet powerful astronomical devices used for the purpose of observations, analog calculations and reckoning time. They were also used to measure altitudes of celestial bodies, allowing astronomers to identify the sun’s position and the location of other heavenly bodies. Ar...
One reason that stars different in brightness is that hotter stars produce more energy than cooler ones, but another important reason is that some are much bigger than others. Some stars appear brighter to humans simply because they’re closer. Astronomers rank (排列) the brightness of stars ...
The first telescopic observation of Mars was byGalileo Galilei in 1610. Within a century, astronomers discovered distinct albedo features on the planet, including the dark patch Syrtis Major Planum and polar ice caps. They were able to determine the planet's rotation period and axial tilt. Who ...
astronomers withtelescopes made him a star.3.What made Stephen Hawking a genius was that he was brilliant andbrave.4.Not only was he willing to say what others were afraid to say but alsodream of what others were afraid to dream about.串句成文Stephen Hawking was one of the ...
Over the centuries there have been countless innovators in astronomy, people who contributed to the development and advancement of the science. Today there are more than 11,000 trained astronomers in the world dedicated to the study of the cosmos. The most famous historical astronomers are those ...
“Hubble’s copy of Selenographia has been put to good use by astronomers over the centuries,” Van Helden says, “as Hevelius would have wanted."
Of all the inventions used in astronomy, the telescope is the most important instrument for astronomers. Whether they use it atop a mountain in a huge observatory, or in orbit, or from a backyard observing spot, skygazers are benefitting from a great idea. So, who invented this incredible ...
Who were the astronomers in the Hellenistic age? Who created the first Hellenistic Empire? What were some discoveries of the Hellenistic age? What happened during the period known as the Hellenistic age? What ended the Hellenistic era? Who ruled the aristocracy in ancient Greece? What Hellenistic...
A few years later some of those who were the angriest in 1968 applauded the loudest when Carl Sagan unveiled the gold plaque that was to be placed upon Pioneer 10, the first human artifact to be launched on a trajectory out of the solar system. Today that plaque is famous. It, and ...