[DOC] [TLE] Magellan (spacecraft) - Wikipedia [PAR] The Magellan spacecraft, also referred to as the Venus Radar Mapper, was a 
1,035-kilogram (2,282 lb) robotic space probe launched by NASA on May 4, 
1989, to map the surface ... Beginning in the late 1970s, scientists pushed for a 
radar mapping mission to Venus. They first sought to construct a spacecraft 
named the... [DOC] [TLE] The Unveiling of Venus - NASA History Homepage [PAR] [1] Of all the planets in the solar system, Venus is the most like our own Earth in ... 
NASA plans to launch a new radar imaging spacecraft, Magellan (named for the 
... For the first time, planetary scientists had a global map of Venus. .... In late April 
1989, Magellan will be carried into low Earth orbit by the space shuttle Atlantis. [DOC] [TLE] Magellan Summary Sheet - JPL - NASA [PAR] NASA's Magellan spacecraft used a sophisticated imaging radar to make the ... 
Magellan was the first planetary spacecraft to be launched by a space shuttle ... 
Earth a map of a long ribbon-like strip of the planet's surface captured on that 
orbit. ... Magellan also circled Venus more quickly, completing an orbit once 
every 94... [DOC] [TLE] Venus, Unmasked: 25 Years Since the Arrival of Magellan at Earth's ... [PAR] Aug 10, 2015 ... On 28 April 1989, their first launch attempt was scrubbed when a hydrogen .... In 
its 50 months of operations at Venus, Magellan revealed more about Earth's evil 
twin planet than had previously been attained in human history. ... A total of 98 
percent of the surface was mapped at resolutions of better than... [DOC] [TLE] Magellan Mission to Venus - Views of the Solar System [PAR] The Magellan spacecraft was the first planetary explorer (to Venus) to be 
launched by ... by the shuttle Atlantis from Kennedy Space Center in Florida on 
May 4, 1989. Atlantis took Magellan into low Earth orbit, where it was released 
from the shuttle's ... radar mapped more than 98 percent of the planet's surface 
and collected... [DOC] [TLE] Articles about Magellan Venus Radar Mapper Spacecraft - latimes [PAR] The Magellan spacecraft has responded to more than 80,000 commands and 
has ... would have no impact on Magellan's launch, scheduled for April aboard a 
space shuttle. ... May 5, 1989 | THOMAS H. MAUGH II, Times Science Writer ... 
voyage to Venus, where it will use radar to map the surface of Earth's sister 
planet. [DOC] [TLE] BBC - Solar System - Magellan probe (pictures, video, facts & news) [PAR] Launched from the space shuttle Atlantis in 1989, Magellan journeyed to ... 
Magellan mapped Venus's surface in long, thin strips that covered 98% of the 
planet's surface. ... Patrick Moore and his guests give a rundown of Earth's 'evil 
twin'. ... The Magellan spacecraft, also referred to as the Venus Radar Mapper, 
was a... [DOC] [TLE] Get PDF (889K) - Wiley Online Library [PAR] An early view of Venus from an earth-launched spacecraft is shown in Fig. 1. ... 
experts now attempt to explain why Earth and Venus did not develop as twin 
planets. ... of Earth-based radar techniques and, later, the probes which landed 
on the .... Most radar mapping to date indicates that a high percentage of the 
surface of... [DOC] [TLE] VENUS - Visions of the Cosmos [PAR] Earth's twin planet', which shines like a beautiful jewel in the early morning sky, is 
the ... incredibly thorough radar survey by the Magellan spacecraft which has 
enabled a map ... In May 1989, a spacecraft was launched from the space shuttle 
Atlantis. .... On Venus most of the atmosphere consists of 'gaseous'carbon dioxide
. [DOC] [TLE] Missions to Venus and Mercury | The Planetary Society [PAR] As one of the first planets to be visited by spacecraft, Venus witnessed many 
failed attempts at ... MESSENGER (an acronym of MErcury Surface, Space 
ENvironment, ... Magellan. Successful Venus orbiter (NASA) Launch: May 4, 
1989 ... Venera 15 and 16 created

Question: Launched in 1989, the Magellan spacecraft later radar-mapped most of the surface of this planet, Earth's twin
Answer: Venus