综合一区欧美国产,99国产麻豆免费精品,九九精品黄色录像,亚洲激情青青草,久久亚洲熟妇熟,中文字幕av在线播放,国产一区二区卡,九九久久国产精品,久久精品视频免费

Global EditionASIA 中文雙語Fran?ais
China
Home / China / Innovation

Tianwen 1 enters Mars' polar orbit

By Zhao Lei | chinadaily.com.cn | Updated: 2021-02-15 19:23
Share
Share - WeChat

China's Tianwen 1 robotic probe entered orbit above Mars' polar regions on Monday, moving closer to the red planet, the China National Space Administration said.

The spacecraft activated its 3,000-Newton-thrust orbital-control engine at 5 pm to conduct an orbital plane change maneuver to enter polar orbit with a perigee of about 265 kilometers above the red planet, the administration said in a brief statement.

Next, the probe will carry out several orbital adjustment operations to move itself into a parking orbit.

In parking orbit, it will make observations and investigations of the preset landing site.

Before the latest maneuver, Tianwen 1 was travelling around an elliptical Martian orbit with a perigee of about 400 kilometers after its arrival in Mars' gravitational field on Wednesday night, becoming the first Chinese spacecraft to reach the planet.

Tianwen 1, the country's first independent Mars mission, was launched by a Long March 5 heavy-lift carrier rocket on July 23 from the Wenchang Space Launch Center in Hainan province, kicking off the nation's planetary exploration program.

The 5-metric ton probe, which consists of two major parts - the orbiter and the landing capsule - flew for 202 days and about 475 million km on its journey to Mars. Its average flight speed was about 100,000 kilometers per hour.

During its journey, the spacecraft conducted four midcourse corrections and a deep-space orbital maneuver to make sure it was always precisely aimed at Mars.

The Tianwen 1 mission's ultimate goal is to land a rover in May or June on the southern part of Mars' Utopia Planitia - a large plain within Utopia, the largest recognized impact basin in the solar system? -to conduct scientific surveys.

Tianwen 1 is the world's 46th Mars exploration mission since October 1960, when the former Soviet Union launched the first Mars-bound spacecraft. Only 18 of those missions were successful.

Video provided by Wang Yongliang and Zhao Yuliang / Beijing Aerospace Control Center

Top
BACK TO THE TOP
English
Copyright 1994 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
License for publishing multimedia online 0108263

Registration Number: 130349
FOLLOW US
 
搜索| 竹北市| 定日县| 通河县| 新丰县| 乐业县| 柳州市| 巩义市| 郴州市| 安庆市| 青龙| 富民县| 南昌市| 莒南县| 金门县| 东乡族自治县| 阿荣旗| 龙里县| 日照市| 洱源县| 高阳县| 武鸣县| 开封市| 六安市| 四会市| 库伦旗| 万荣县| 南平市| 西藏| 叶城县| 芷江| 泊头市| 偃师市| 翼城县| 陇西县| 安顺市| 靖安县| 利川市| 高密市| 天柱县| 和政县|