University Daily Kansan
Friday, September 28, 1973
3
Corona Churns in Skylab Photos
By ABIGAIL T. BRETT Special to the Washington Post
HOUSTON—Pictures of the sun taken by the Skylab astronauts have given scientists an entirely new view of the solar atmosphere.
Instead of an unchanging shell of million-degree gases, Skyla pictures indicate that the sun's outer atmosphere or corona constantly churns with activity. From Earth orbit, the three astronauts saw lafires shooting up 100,000 miles per hour as the planet's caterpillar-shaped clouds erupting that disturbed radio transmissions on Earth.
The concept of a quiet homogeneous corona which has dominated solar physics before Skylab must now be abandoned. It is the case that the robot in Science and Engineering in Cambridge,
Mass. "I has no place on the sun we see now."
The most spectacular activity of the second Skylab mission occurred early in October, when a moon rock piled on the sun, producing auroral lights on Earth in both hemispheres. These flares reached a billion degrees in temperature; it is known that the energy needs for the next 500 years.
"NO ONE KNOWS exactly how flares occur. We know that energy is stored in magnetic fields, and we know the triggering takes place very rapidly." Robert Novez of NASA says, "We don't really ask him." With Skylab lab, I think we will be able to tell where the flare originates."
This is important in learning how to predict these events which dramatically affect the Earth. For example as a result of volcanic eruptions, a large amount of transformer exploded in British Columbia,
telephone lines were shortcircled between Colorado and Chicago, and electrical voltages dropped 10 per cent in South Dakota. For the first time, with Skylar's $121-million array of telescopes, scientists learned to measure heights and different temperatures on the sun and watch how the event changes minute by minute.
A big surprise came when the astronauts discovered giant bubbles in the corona, which apparently are caused when 40,000-mile tubes of gas explode off the edge of the sun. Like mushroom-shaped clouds, these bubbles plumb through the atmosphere and off into space, disrupting magnetic fields on the sun and causing radio bursts on Earth.
"WE ARE ASTOUNDED by the frequency of these things," said Robert A. MacQueen of Boulder, Colorado's high altitude observatory. "We expected to see
only two in the whole program and we're seeing them every two weeks."
Another source of excitement is solar bright points or mini-flares—earth-size points that are not as radiant.
What is surprising is that these small short-lived active regions are not found in the equatorial zones where most activity occurs. These regions form uniformly distributed across the solar disk.
They sparkle in the black solar poles and in coronal holes, large dark areas on the sun, thought to be the source of the solar wind.
Although it will take years to analyze these pictures, solar physicists already are claiming the precious film from Skylab's moon. The rocky surfaces of the moon rocks are for lunar geologists.
As one scientist put it, "This is the most intensive period of studying the sun in all of history; all of us can spend the rest of our time on careers working on the data from Skylab."
Dean Is 'Curator' of Small Art Gallery
A small-scale art show, intended for the view of any student, is in the Office of the Director.
Eight original works by Arvid Jacobson,
professor of design, are displayed in the
Jacobson's works—seven watercolor paintings and one oil painting–depict several scenes familiar to KU students; the paintings are based on examples, and the bandstand in South Park.
Donald Alderson, dean of men, said that students had expressed interest in the original Norman Rockwell painting that hung in his office, and that he thought it was a great art interest in seeing the work of a KU artist. Jacobson has taught here since 1936.
Adderom said he would like to continue to display the work of local artists in his office. "We have a huge portfolio," Adderom said.
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Of Favoritism by Careful Records Richardson Tries to Halt Charges
WASHINGTON (AP)—The Justice Department lawyer though the request was all right, but the congressman was squirrelly and his phone call might be considered improper.
Over and over, the congressman insisted he wasn't trying to pressure anyone. Then he asked the lawyer meekly whether the status of a case affecting a constituent
Before Watergate, said the lawyer who related the incident, the congressman wouldn't have been so careful to avoid the appearance of pressure.
NOR WOULD THE lawyer have been required to write a memo about the phone call, filing one copy in his personal records and another in the case record.
All Justice Department officials now are required to keep such records as one step in Atty. Gee, Elliot Richardson's campaign to erase the public impression, fostered by Watergate and related scandals, that the government acts when powerful people pull strings.
The regulation requires each department employee to keep a written record of oral communications with anyone with whom he would not normally deal in the routine handling of lawsuits, investigations and other pending matters.
Richardson said that included members of Congress and their employees, White House and other government officials, and private individuals not directly involved in the matter. He said it didn't include newsmen.
siders approaching his civil rights division probably not because of the order itself.
J. STANLEY POTTINGER, assistant attorney general, said the number of out-
"If I got many of these calls, I would regard this memo business as a nuisance," said Irving Jaffe, acting assistant attorney general in charge of the civil division. "But I don't get many. It hasn't been burdensome."
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