home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Space & Astronomy
/
Space and Astronomy (October 1993).iso
/
mac
/
TEXT
/
JPLNEWS1
/
0329.PR
< prev
next >
Wrap
Text File
|
1993-04-21
|
2KB
|
32 lines
OFFICE OF PUBLIC EDUCATION AND INFORMATION
JET PROPULSION LABORATORY, CALIFORNIA INSTITUTE OF TECHNOLOGY
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
PASADENA, CALIFORNIA. TELEPHONE 354-5011
FOR RELEASE THURSDAY, APRIL 8, 1965:
The Mariner IV spacecraft, during the past week, reached
a number of milestones along its 228-day scientific mission to the
planet Mars, the National Aeronautics and Space Administration
reported today.
Last Friday, Mariner clocked 3000 hours in space.
On Saturday, the spacecraft had covered 200 million
miles of its 325-million-mile journey.
On Tuesday, the 129th day of the mission, Mariner IV
equalled the continuous operation record for an American deep
space probe established in January, 1963, by the Mariner II-Venus
spacecraft.
Project officials at the Jet Propulsion Laboratory in
Pasadena, Calif., said Mariner IV's Canopus tracker was updated
on schedule last Friday to compensate for the changing angular
relationship between the spacecraft and the star canopus.
The electronic change of the tracker's "look angle,"
commanded by the spacecraft's on-board central computer and
sequencer, will occur twice more before Mariner IV flys by Mars
next July 14.
At 9 a.m. EST today, Mariner was travelling at a
velocity of 34,738 miles per hour relative to Earth and had
reached a point in space 49,373,799 miles from Earth. Total
distance travelled in orbit was 206,868,340 miles.
329-4/5/65