根据最后一段中“Are Earth’s 7.5 billion humans, along with billions of other animals and plants they share their home with, on their own in the universe? If there is another life form somewhere, could it be as intelligent as humans? Or could it threaten them? I think all of these ...
The Sun isone among hundreds of billions of stars in the Milky Way, and most of those stars have their ownplanets known as exoplanets(外星球).The Milky Way is but one of the billions of galaxies in the observable universe-all of them,including our own, are thought to have supermassive ...
Is it to see if there's life on them? 是要看看它们上面有没有生命吗? Cuz it seem to me like the only exoplanets we ever hear about are gas giants like Jupiter and Saturn that couldn't possibly support carbon-based life. 因为我好像唯一听过的外行星就是像木星土星那样的气体行星,这些星球不...
" Prof Roxburgh said. 12. Since the discovery in 1995 of the first "exoplanet" - a planet orbiting a star other than the Sun - more than 200 others have been found by ground-based observatories. 13. Until now the usual method of finding exoplanets has been to detect the "wobble" ...
"Astronomers have been searching for exoplanets that are likely precursors to hot Jupiters for more than two decades, so I was very surprised — and excited — to find one." Comments (0) When you purchase through links on our site, we may earn an affiliate commission. Here’s how it wor...
Life has proven to exist on exoplanets.3. Why are the questions raised in the last paragraph?A. To explain the reasons for investigating Mars.B. To show people's unfading interest in aliens.C. To suggest the need to explore the universe.D. To stress the uniqueness of Earth.4. What ...
D. Exoplanets; home o f aiens 3BIs there anybody out there? For centuries humans havewondered, although the ways in which we have gone about thishave varied. As we have gained a greater understanding of theuniverse, our searches have taken on more concrete forms.Questions about aliens(...
There'd be SO MANY more people who've discovered "planets". Pluto would be hurt if we left out Charon (discoverer James Christy) The list goes on and on. I see Oprah in a large arena full of people, pointing at each and saying "You get a "planet", and you get a "planet", and...
Aeronautics & Space Administration (NASA) and it's current plan to send a spacecraft to Europa, Jupiter's moon to find if there is life under the ... L Sharpe 被引量: 0发表: 2015年 Is Anybody Out There? Topics include three ways to recognize a planet, the number of exoplanets discov...
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