Приклади вживання Asteroid or comet Англійська мовою та їх переклад на Українською
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A stray asteroid or comet.
Tycho is believed to have formed about 100 million years ago,when an asteroid or comet slammed into the Moon.
A large asteroid or comet.
In 2017 NASA reports an object, named A/2017 U1,that is believed to be the first known interstellar asteroid or comet to pass through our Solar System.
When an asteroid or comet hits a solid body, a transient crater is quickly excavated in a matter of seconds.
How likely is it that an asteroid or comet will hit the Earth?
No known asteroid or comet from our solar system varies so widely in brightness, with such a large ratio between length and width.
Strike by asteroid or comet.
It's not a matter of if but when another giant asteroid or comet strikes the Earth.
These objects are defined as any asteroid or comet that passes within 30 million miles(48.3 million kilometers) of the planet.
Most scientists believe that a very large asteroid or comet could hit the Earth approximately 65 million years ago.
While it is accepted an asteroid or comet will one day threaten Earth, NASA says it knows of no major one that threatens is for at least 100 years.
According to the scientists, it was launched off Earth about4 billion years ago when an asteroid or comet slammed into our young, roughly 540-million-year-old planet, sending rock fragments flying off into space.
Jay Melosh proposed to deflect an asteroid or comet by focusing solar energy onto its surface to create thrust from the resulting vaporization of material, or to amplify the Yarkovsky effect.
According to scientists, it was launched from Earth about 4 billion ice back-most likely at the moment when an asteroid or comet crashed into a still young planet(it was only 540 million years old then) and fragments of stones flew into space.
Also a highly charged electric asteroid or comet[17], that passes by the Earth, may reverse the magnetic poles, and causes a devastating super-charge by deadly cosmic radiation, may be extremely fast, in only a few years/decades!
Under NASA's classifications, any asteroid or comet predicted to travel anywhere within 0.05 Astronomical Units(or reaching under 5 million miles) of Earth's orbit and that has a size of at least 30 meters or more is deemed“potentially hazardous.”.
Scientists currently know that no asteroids or comets are approaching us.
It's long been theorized that such objects exist-- asteroids or comets moving around between the stars and occasionally passing through our solar system-- but this is the first such detection.
NASA said,"NASA does not know any asteroids or comets currently on a collision course with Earth, so the likelihood of a major collision is quite small.
Sheppard and his team believe that these moons are remnants of three larger moons that brokeapart when they collided with other moons, asteroids or comets.
But these impacts wouldn't be as destructive as the asteroids or comets we're so afraid of today!
Sheppard and his team believe that these moons are remnants of three larger moons that brokeapart when they collided with other moons, asteroids or comets.
However, particles protocolecho nebula can be found on“primitive” bodies-small asteroids or comets formed on the fringes of the Solar system.
Asteroids or comets striking Earth move at twenty, fifty or even over a hundred kilometers-per-second, but lunar debris would be moving at a mere 8 km/s, and would strike only a glancing blow with our atmosphere.
The orbit calculations revealed beyond any doubt that this body did not originate from inside the Solar System,like all other asteroids or comets ever observed, but instead had come from interstellar space.
The changing positions of planets, asteroids or comets in terms of these coordinates can be looked up in annual astronomical guides, and these enable planisphere users to find them in the sky.
This kind of grouping of outer moons is also seen around Jupiter, indicating violent collisions occurred between moons in theSaturnian system or with outside objects such as passing asteroids or comets,” said Sheppard.
Although there is a caveat in that we don't know precisely how many asteroids OR comets there are in our Solar System, since many have never been seen.