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Queqiao: The bridge between Earth and the far side of the moon


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IMAGE: The far side of the Moon always faces away from the Earth, making communications from lunar equipment there much more challenging. Fortunately, relay communication satellites can act as a bridge.
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Space: Science & Technology
Because of a phenomenon called gravitational locking, the Moon always faces the Earth from the same side. This proved useful in the early lunar landing missions in the 20th century, as there was always a direct line of sight for uninterrupted radiocommunications between Earth ground stations and equipment on the Moon. However, gravitational locking makes exploring the hidden face of the moon the far side much more challenging, because signals cannot be sent directly across the Moon towards Earth. ....

Lihua Zhang , Science Technology , Satellite Co Ltd , Satellite Company Ltd , Earth Moon Libration , South Pole , Chinese Lunar Relay Communication Satellite , Project Manager , Company Ltd , Chemistry Physics Materials Sciences , Mathematics Statistics , Space Planetary Science , Planets Moons , Satellite Missions Shuttles , Experiments In Space , Stars The Sun , Technology Engineering Computer Science , Electrical Engineering Electronics , அறிவியல் தொழில்நுட்பம் , செயற்கைக்கோள் இணை லிமிடெட் , செயற்கைக்கோள் நிறுவனம் லிமிடெட் , தெற்கு போலே , ப்ராஜெக்ட் மேலாளர் , நிறுவனம் லிமிடெட் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் ,

Scientists discover new exoplanet with an atmosphere ripe for study

An international group of collaborators, including scientists from NASA s Jet Propulsion Laboratory and The University of New Mexico, have discovered a new, temperate sub-Neptune sized exoplanet with a 24-day orbital period orbiting a nearby M dwarf star. The recent discovery offers exciting research opportunities thanks to the planet s substantial atmosphere, small star, and how fast the system is moving away from the Earth. ....

Milky Way , Magallanesy Antáica Chilena , Diana Dragomir , Jennifer Burt , Propulsion Laboratory , Kavli Institute , University Of New Mexico , Department Of Physics , Science Processing Operations Center , Exoplanet Survey Satellite , New Mexico , Neptune Sized Planet Transiting , Transiting Exoplanet Survey Satellite , Planet Finder Spectrograph , Magellan Clay , Las Campanas Observatory , Quick Look Pipeline , Hubble Space Telescope , James Webb Space Telescope , Hubble Space , Space Planetary Science , Planets Moons , பால் வழி , ஜெனிபர் பர்ட் , ப்ரொபல்ஶந் ஆய்வகம் , கவிளி நிறுவனம் ,

How were the carbon contents in terrestrial and lunar mantles established?

Carbon degassed from planetary mantles by volcanic activity plays an important role in the planetary surface environment. However, how the carbon content in the Earth s mantle was established is still poorly understood. Here we show that the mantle of planetary embryos may have been nearly saturated with carbon by new high-pressure experiments and pointed out that the carbon solubility of magma is very consistent with the estimated carbon contents in terrestrial and lunar mantles. ....

Japan Agency For Marine , Kyoto University , Researchers Of Ehime University , Ehime University , Japan Agency , Marine Earth Science , Earth Science , Planets Moons , கியோட்டோ பல்கலைக்கழகம் , எஹீமே பல்கலைக்கழகம் , கடல் பூமி அறிவியல் , பூமி அறிவியல் ,