The View from Space: All it takes is time and money
By John Holliman
March 24, 1998
Web posted at: 3:26 PM EST (1526 GMT)
In this story:
Are you worried about the International Space Station, which is being
built in the United States, Russia and more than a dozen other countries?
I am.
The station is in trouble on Capitol Hill because of cost overruns.
The 1993 estimate of $17 billion for the U.S. contribution is out the
window now, having been boosted by NASA to more than $20 billion. NASA
blames Russian construction problems, Boeing cost overruns and its own
decisions to add things to the station, like the X-38 crew rescue vehicle.
The General Accounting Office is studying the latest problems and will
report to Sen. John McCain next month.
The new associate administrator for space flight at NASA, Joe
Rothenberg, tells CNN the cost overruns are serious, but not
so serious that the
station itself is in jeopardy. He says he's still hopeful the
first elements of the station can be in orbit by the end of
this year. The NASA plan presented at the first of this year
called for the first three pieces of the station to be
orbiting by December, with the first crew of astronauts to be
aboard next year. Don't count on it.
There are more problems on Russia's Mir space station to talk about.
Last week, we talked about the docking problems when a Progress supply
vehicle approached Mir on auto-pilot and had to be docked manually.
There also are reports of long periods when the Mir cosmonauts can't
get through to mission control in Moscow. A European Mir monitor, who
uses his radio receiver to listen for calls from the Russian station,
reported earlier this month that the Mir cosmonauts have sounded extremely
frustrated when they could not get an answer from Moscow.
There's also a growing problem of physical exhaustion.
Commander Talgat Musabayev has told ground controllers that
he's only had one good night's sleep in weeks and the result
is a growing fear that simple mistakes will overtake
the crew.
Astronaut Andy Thomas
continues to report that he's doing the best job he can of operating
the bioreactor on Mir. It's supposed to grow nearly-perfect cancer cells
in weightlessness. It's possible to grow these cells on the ground,
but on Earth, they bang against the sides of test tubes, making the
resulting structures lopsided. The zero-gravity grown structures are
much more perfect, giving ground-based experimenters a better idea of
what it takes for a cancer cell to grow. There could be a cure for cancer
here if the equipment on Mir can be fixed so it doesn't continue to
send air bubbles into the growth chamber.
Spy satellite-quality imagery may soon be available to
everyone. Despite the government's lid of secrecy, experts
who have seen the Pentagon's best stuff say it really could
read the license plates on Boris Yeltsin's limousine. In
recent years, the commercial satellite industry has tried to
get government permission to sell pictures this good to the
rest of us. The United States has said no over and over again
to protect national security, but now that private companies
in other countries are providing clearer pictures from space,
the United States is being pressured to allow domestic
companies to compete.
The clarity of satellite pictures is expressed in something
called "meters of resolution." This translates to how small
an object you can pick out from a satellite photograph.
Current spy satellites can see things as small as
a bicycle. Non-spy satellite pictures can see things as
small as a commercial airplane at an airport. The new
satellites, once they can be built and launched, will offer
one-meter optical imagery, which will let you recognize
something 3 feet across.
There's also stuff from satellites that gives you almost 3-D
abilities to see things on the ground. Radar satellites can
see in the dark, through trees and clouds and down under the
ground's surface to spot things invisible to the naked eye.
NASA demonstrated a satellite like this on the shuttle
several years ago, and it found underground rivers in the
Middle East and long-lost cities beneath the desert. This
technology is also being offered to civilian customers by a
Canadian company called Radarsat, which is launching a new
satellite in 2001 that will have 3-meter resolution in the
radar mode. That's going to give us pictures like we've never
seen before.
CNN is spending lots of time working to use the new
technology of satellite imagery for news gathering. You may
remember we showed pictures of the Chernobyl nuclear plant
after the accident there, and we've used satellite
imagery in our Persian Gulf coverage from time to time as
well. In the coming months, expect to see even higher
resolution satellite imagery on CNN and here
on CNN Interactive. We hope to be able to take you to
breaking news events from
satellites perhaps even before we can get there with
reporters.
John Holliman's "View from Space" appears every Wednesday.