“We have touchdown!” Mission Recovery Operations announced, immediately repeating the news since the landing occurred three minutes early. Officials later said the orange striped parachute opened four times higher than anticipated — around 20,000 feet (6,100 me...
The small capsule landed four hours later on a remote expanse of military land, as the mothership set off after another asteroid. “We have touchdown!” Mission Recovery Operations announced, immediately repeating the news since the landing occurred three minutes early. Officials later sai...
The article discusses issues related to the emergence of an off-planet economy in low Earth orbit (LEO) satellites. Topics discussed include ppersistenceof Sierra Nevada Corp.'s (SNC) in developing a small reusable space shuttle, issues related to changing the whole space-launch with lower ...
will accompany the samples to Texas. The opening of the container in Houston in the next day or two will be "the real moment of truth," given the uncertainty over the amount inside, he said ahead of the landing.
Scientists back on Earth had to wait well past the expected touchdown time for confirmation there was a signal. Pic: AP After a few tense minutes, applause and cheers erupted in the Houston control room. One of the key aims of the IM-1 mission was to ensure safe-lan...
NASA engineers working on the craft's landing system. Credit: NASA / JPL-Caltech The craft will need a robust landing system. It will carry instruments that will dig some four inches into Europa's ice. "This is a depth at which the complex chemistry of materials from the ocean below ...
The control of the touchdown part of the lunar-landing maneuver will resemble somewhat the control of vertical takeoff and landing (VTOL) aircraft in the earth environ- ment. Some of the wealth of information on VTOL handling qualities... DC Cheatham,CT Hackler - 《Journal of Spacecraft & Ro...
The country'slast spacecraft(11) (land) there was able to successfully collect material from the lunar surface.It was thefrs time in more than 40 years that any nation (12) (collect) moon material for returm to Earth.Landing a spacecraft on Mars however is much more difficut than ...
(touch)down last week in the South Pole-Aitken basin.Landing on the moonˈs far side is (2) extreme)challenging.Because the moonˈs body blocks direct radio communication with a probe,China first had to put a satellite in orbit above the moon in a spot ...
The truly hard part is landing on the planetˈs surface, as landers must deal with factors like tha planetˈs thin atmosphere, its variable(多变的) dust storms, and a communication delay(延迟) between Mars and Earth. This delay makes it impossible for people in Mission Control on Earth...