The planet is named K2-33b, and closely orbits a new star — which makes the planet very hot. What was the first planet to be born? Jupiter was probably the first planet in the solar system to form, new research suggests. Its existence may have influenced how the planets evolved into ...
onmethatnootherplacehas,”Ginnisays.“IrememberthefirsttimeIsawahumpbackwhale;it justroseoutofthewaterlikesomeprehistoric creatureandIthoughtitwassmilingatus.You couldstillheartheoperaticsoundsitwasmaking underwater.” Therealizationthatthisisapreciousland,to berespectedbyhumans,wasoneofthebiggest thingsthathi...
It was this mind-blowing series of improbable events that made Earth the possibly unique life-bearing planet it now is. The idea that Earth may indeed be unique could have been spawned by this famous photo taken on the Apollo 8 mission in 1968.正是这一系列令人兴奋的不可能的事件，使地球成...
That's new molecules that have formed. At the end, we have tiny droplets on the surface of the window which are quite visible to the eye.这是新形成的分子。最后，我们在窗户表面看到了肉眼可见的小水滴。And they constitute the organic matter that's been formed from the initial ice which was...
2. Nowadays finding a job is difficult in the competitive society. Unemployment should___. 3. The old lady looked around as if she were___something missing. 4. It was difficult for the team to___how to start the equipment. 5. I bought a Chinese...
A dwarf planet is a small planet that fails the third test. The asteroid Ceres, in orbit around the Sun between Mars and Jupiter, was upgraded from asteroid to dwarf planet status. Clearing the neighbourhood means that it does not cross other planets or asteroids in its wake, which as ...
pool was bowed head by the smell of pain, as if suffering. "Ah" father sighed and said, "now, no real morality, such a good one, was destroyed by now. It seems you this generation of people is not good, has the good peaceful land cant see at all." Where was the clean river ...
In 1540, the Portuguese Antonio de Faria was the first European to discover the Mekong. Although Europeans showed only some interest in the Mekong, the Spanish and Portuguese did make trade expeditions(探险) to the area, and the Dutch led an expedition up the Mekong in 1641-42. In the mid...
The area, discovered in 1972 by a NASA probe, is also known as Angustus Labyrinthus, and is near the planet's south polar cap. A perspective view of Mars' Inca City. ESA/DLR/FU Berlin It's not clear how the area was formed, the ESA said. Suggestions include sand dunes that ...
B体裁:说明文主题语境:宇宙探索What if the Moon had never existed? For starters we know that the geophysical and climatological history of the Earthwould have been different. Although there is still large uncertainty about how the Moon was formed, the most currentlyfavored theory describes a disastro...