卫星（天文学术语）_百度百科
卫星是指在围绕一颗行星轨道并按闭合轨道做周期性运行的天然天体，人造卫星一般亦可称为卫星。 人造卫星是由人类建造，以太空飞行载具如火箭、航天飞机等发射到太空中，像天然卫星一样环绕地球或其它行星的装置。
GOES Satellite Network - NASA Science
The first satellite in the series, GOES-R, now known as GOES-16, was launched in 2016 and is currently operational as NOAA’s GOES East satellite. GOES-S, now known as GOES-17, was launched in 2018 and now serves as an on-orbit backup. GOES-T, now GOES-18, launched in 2022 and now serves as NOAA’s operational GOES West satellite. GOES-U, […]
Tracking and Data Relay Satellites - NASA
2023年12月15日 · The Tracking and Data Relay Satellite (TDRS) constellation consists of a number of satellites in geosynchronous orbit distributed over the Atlantic, Pacific, and Indian Oceans.
Satellite | Orbits, Communication & Navigation | Britannica
satellite, natural object (moon) or spacecraft (artificial satellite) orbiting a larger astronomical body.Most known natural satellites orbit planets; the Earth’s Moon is the most obvious example.. All the planets in the solar system except Mercury and Venus have natural satellites. More than 160 such objects have so far been discovered, with Jupiter and Saturn together contributing …
Satellite Database | Union of Concerned Scientists
2005年12月8日 · Satellite quick facts. Includes launches through 5/1/2023. Total number of operating satellites: 7,560. United States: 5,184; Russia: 181; China: 628; Other: 1,572
人造卫星（环绕地球在空间轨道上运行的无人航天器）_百度百科
人造卫星（Artificial Satellite）：环绕地球在空间轨道上运行的无人航天器。人造卫星基本按照天体力学规律绕地球运动，但因在不同的轨道上受非球形地球引力场、大气阻力、太阳引力、月球引力和光压的影响，实际运动情况非常复杂。
卫星 - 卫星百科，很认真的中文航天百科 - 灰机wiki - 北京嘉闻杰 …
通常，卫星（Satellite）是指在围绕一颗行星轨道并按闭合轨道做周期性运动的天然天体，即自然卫星（Moon, Natural satellite）。而本站所讨论的卫星含义，大部分是指“人造卫星”（Artificial satellite）。
Earth satellite | Definition & Facts | Britannica
2024年11月16日 · Earth satellite, artificial object launched into a temporary or permanent orbit around Earth. Spacecraft of this type may be either crewed or uncrewed, the latter being the most common.. The idea of an artificial satellite in orbital flight was first suggested by Sir Isaac Newton in his book Philosophiae Naturalis Principia Mathematica (1687). He pointed out that a …
卫星百科 - 灰机wiki - 北京嘉闻杰诺网络科技有限公司
卫星百科广泛关注卫星、运载火箭、深空探测器等航天器，以及相关的机构、术语等，致力于建设成为最好的航天知识中文维基。
卫星是什么？ - 知乎
卫星是指在围绕一颗行星轨道并按闭合轨道做周期性运行的天然天体，人造卫星一般亦可称为卫星。 人造卫星是由人类建造，以太空飞行载具如火箭、航天飞机等发射到太空中，像天然卫星一样环绕地球或其它行星的装置。
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