| 单词 | interplanetary dust |
| 例句 | When a fragment of interplanetary dust strikes Earth’s atmosphere, it burns up to create a meteor. Astronomy 2016-10-13T00:00:00Z Dr. Henry Hsieh, who studies asteroids, comets, interplanetary dust and small satellites at Planetary Science Institute, said that it was an exciting chance to study an asteroid. An asteroid that could wipe out a country will just miss Earth this week 2021-03-13T05:00:00Z Another set of observations attempted to track interplanetary dust. Mars Mission From the U.A.E. Begins Orbit of Red Planet 2021-02-09T05:00:00Z At that distance the spacecraft was well beyond the distracting glow of planets or of interplanetary dust. Outer Space Just Got a Little Brighter 2020-12-08T05:00:00Z The satellite also caught images of zodiacal light, which reflects off faint interplanetary dust that is usually obscured by the brightness of the sun. Public gets look at closest-ever pictures of sun 2020-07-16T04:00:00Z It could have arrived with dirty ice balls called comets, or as part of interplanetary dust. How Asteroids May Have Brought Water to Earth 2018-05-15T04:00:00Z Skeptics say the atmospheric reactions may not occur quickly enough and that meteor showers don't deposit much more material than the background flux of interplanetary dust. On Mars, atmospheric methane—a sign of life on Earth—changes mysteriously with the season 2018-01-03T05:00:00Z His specialism is the reflection of light from interplanetary dust and the velocity of dust in the plane of the Solar System. A-list academics: Swapping the limelight for the lectern - BBC News 2016-05-24T04:00:00Z Four billion miles from the sun, far from bright planets and the light scattered by interplanetary dust, empty space was about twice as bright as would be expected Dr. Lauer and his colleagues found. Outer Space Just Got a Little Brighter 2020-12-08T05:00:00Z Light also fades over shorter distances than radio waves obscured by interplanetary dust. What Edward Snowden Got Wrong about Eavesdropping on Aliens 2015-09-24T04:00:00Z The finished spacecraft carried seven instruments, including a student-built interplanetary dust counter and a sensor to measure the energy of particles escaping from Pluto's atmosphere. Feature: How Alan Stern’s tenacity, drive, and command got a NASA spacecraft to Pluto 2015-06-25T04:00:00Z Mars’s minuscule methane background is broadly consistent with what should be produced by ultraviolet light striking the carbon-rich debris of meteorites, comets, and interplanetary dust that periodically fall to the Red Planet. NASA Rover Finds Mysterious Methane Emissions on Mars 2014-12-16T05:00:00Z “The planet is under steady siege from interplanetary dust and then regularly passes through this other dust storm, which we think is from comet Encke.” Fancy Naming A Crater On Mercury In Honour Of NASA's 10-year MESSENGER Mission? 2014-12-16T05:00:00Z Until recently, the only way scientists could collect “chondritic porous interplanetary dust particles,” or comet dust, without going to space has been by flying research planes high in the stratosphere. Comet dust found in Antarctica 2014-12-05T05:00:00Z Intriguingly, interplanetary dust is also known to possess more carbon-laden organic molecules than any other known class of meteoritic material. Solar Wind Creates Water in Star Dust 2014-01-28T19:45:00Z It’s a very exciting find, except there’s another potential source of lots of organic carbon on the near surface of Mars – meteorites and interplanetary dust. Something's Cooking on Mars 2013-12-22T12:45:19.397Z Possible non-biological sources of methane include comet strikes, degradation of interplanetary dust motes by ultraviolet light and -rock interactions, researchers said. Curiosity Rover Finds No Methane on Mars--Yet 2012-11-05T19:47:47.683Z About 100 tons of interplanetary dust does descend through our atmosphere and reach the surface of the planet every day, but it's utterly harmless. Whew! Earth Avoids Asteroid By 7,000 Miles 2011-06-27T21:05:53Z The brightness of the early sun also remains unknown, as does the amount of interplanetary dust that fell to Earth in the past. Solar Wind Creates Water in Star Dust 2014-01-28T19:45:00Z |
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