比如说，我们怎么知道恒星真的是像太阳一样巨大的火球，而且离我们很远呢？
How do we know, for example, that the stars are really huge balls of fire like the Sun and very far away?
他们看到一道强光和一个巨大的火球直冲天空达几百英尺。
They saw a big flash and a huge ball of fire reaching hundreds of feet into the sky.
另一个是由纽伦堡的汉斯·斯托普勒于1597年制作的旋转火球。
Another is a revolving arquebus, produced by Hans Stopler of Nuremberg in 1597.
有些见证者把这个火球的亮度比作太阳。
Some witnesses compared the fireball's brightness to the sun.
有时能在暴雨中见到漂浮着的火球的重生
Recreating the floatingfireballs sometimes seen during thunderstorms
科学家认为火球相对来说很安全。
韦斯利的照片是颜色的，火球出现在照片的右侧。
当火球冷却时，内部的气化物质压缩形成固态微粒云。
As the fireball cools, the vaporized materials in it condense to form a cloud of solid particles.
火球在形成之后立刻迅速膨胀并上升，像热气球一样。
Immediately upon formation, the fireball begins to grow rapidly and rise like a hot air balloon.
据说2006年5月16日晚人们看到了至少三个不同的火球。
It seems at least three individual fireballs were seen on the night of 16 May 2006.
在当初，我们居住的这个星球原是一团燃烧着的火球。
In the beginning, the planet upon which we live was a large ball of flaming matter.
那位农民说，一个火球从天空划过之后，他就看到了这个绿色的物体。
The farmer said he saw the green object come into view just after a fireball had passed overhead.
目前来看，新发现这颗类似木星的行星好像已经从火球阶段幸存了下来。
The new Jupiter-like planet discovered appears to have survived the fireball, for the moment.
火球最初的迅速膨胀剧烈地压缩着周围的大气，产生了威力巨大的冲击波。
The initial rapid expansion of the fireball severely compresses the surrounding atmosphere, producing a powerful blast wave.
他最早认识到，这些火球实际上是同一个明亮的物体，即彗星。
He is the first to realize that these fireballs were the same bright object in nature, namely, the comet.
10秒钟之内最大将达到2200米，同时火球以100米/秒的速度上升。
This increases to a maximum of 2200 m within 10 seconds, at which time the fireball is also rising at the rate of 100 m/sec.
冰火球：等级2的冰火球周期性伤害现在可以受益于法术能量加成。
Frostfire Bolt: The periodic damage effect from Rank 2 of this spell now benefits from spell power gains.
人工的火球看起来炽热的是由于在蒸汽态的原子的激发而导致，而不是由于氧化。
For another,the artificial fireballs seem to be glowing because of the excitation of theatoms within the vaporised material rather than because of oxidation.
人工的火球看起来炽热的是由于在蒸汽态的原子的激发而导致，而不是由于氧化。
For another, the artificial fireballs seem to be glowing because of the excitation of theatoms within the vaporised material rather than because of oxidation.
空中爆炸指的是核爆发生在海拔30公里以下，且火球有足够高度不接触到地面。
An air burst is an explosion in which a weapon is detonated in air at an altitude below 30 km but at sufficient height that the fireball does not contact the surface of the earth.
此时会产生一个柱状火。 这个柱状火正是从一个流动的颤抖的火球中分离出来的。
Thatcreated a column of fire which then detached itself to form a floating, quiveringfireball.
降低火球术，冰箭术，冰火球，奥术冲击，奥术飞弹和奥爆术的法力消耗。
Reduced the mana cost of Fireball, Frostbolt, Frostfire bolt, Arcane Blast, Arcane Missiles, and Arcane Explosion.
这种说法是指责美国国家航空和航天管理局本来上周可以进入地球的卫星变成了这个火球。
The claims that the NASA satellite that was supposed to re-enter the Earth last week is to be blamed for the fireball.
其中很多都发生在波尼不里奇城的Forge旅馆外，包括目睹火球越过树丛，“无翼飞机”等。
A good many happen outside the Forge restaurant in Bonnybridge, where fireballs sail over the trees and “wingless planes” are seen in the fields.
齐塔人这一次赞同官方的声明。这仅仅是个正在释放气体的火球，因此具有旋转的感觉。
The Zeta concur, for once, with official pronouncements. This was just a fireball, releasing gas, and thus the spin.
太阳是一个能量惊人的大火球，它的表面能够向地球释放大量等离子，从而导致我们的设备工作异常。
The sun is a ferocious ball of energy that can eject massive amounts of plasma from its surface in our direction, causing our equipment to go screwy.
太阳是一个能量惊人的大火球，它的表面能够向地球释放大量等离子，从而导致我们的设备工作异常。
The sun is a ferocious ball of energy that can eject massive amounts of plasma from its surface in our direction, causing our equipment to go screwy.
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