33. What does the underlined word "that" in paragraph 6 refer to? A. A planet circling around one of those 1.715 stars. B. Advanced life. C. The oxygen on Earth. D. Human-made radio waves.34. What could prevent humans from exchanging messages with aliens according to Boss? A. Huma...
and before you know it, our restaurant will be overrun with dogs, their slobber, their hair, and all the noise they make, and nobody will want to eat here anymore.
“We are but visitors on this planet. We are here for ninety or one hundred years at the very most.” If that is true, then it’s the process which matter most, not the destination. It is just the same when we travel. Tokyo, Paris, or Thailand, the destination does not matter muc...
Planet Earth is the one place in the universe where sin can exist without throwing the entire universe out of balance, thanks to the fact it has an environment that contains it. Our environment, which sustains us, also contains us and keeps us from doing to the universe what we have alrea...
Earth is called the blue planet because of the vast oceans covering a majority of its surface. The oceans are home to many marine plants and animals, ranging from microscopic unicellular organisms to gigantic seaweeds. Marine plants play an important role in marine ecosystems as energy and nutrien...
“Stars harboring a black hole at their center can live surprisingly long,” says Earl Patrick Bellinger, MPA Postdoc and now Assistant Professor atYale University, who led the study. “Our Sun could even have a black hole as massive at the planet Mercury at its center without us noticing....
which would vaporize everything on Earth before the shockwaves of the explosion even reach the planet. Fortunately, we'll never have to worry about such an event because the sun is not going to explode. Not now, not later, not ever. However,our sun will eventually die, but in a far ...
Every utility pole on the planet has one. If you ever watch the power company install a new pole, you will see that the end of that bare wire is stapled in a coil to the base of the pole and therefore is in direct contact with the earth, running 6 to 10 feet (1.8 to 3 meters...
Throughout history, many philosophers and writers said that hell is not in some other world, hell is on this planet, in our world. With all the miseries, illnesses and misfortunes people encounter on this planet, many will agree with this statement. ...
A rogue planet is a planet that does not orbit a star. This might sound implausible, but they have been found to exist. How the planets came to be on their own is still to be decided. The only heat that would reach the planet is the heat generated from inside the planet's core. ...