Denton Record-Chronicle (Denton, Tex.), Vol. 114, No. 76, Ed. 1 Tuesday, October 17, 2017 Page: 3 of 14
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LOCAL/NATIONAL
3A
Denton Record-Chronicle
Tuesday, October 17, 2017
Huge cosmic crash reveals origins of gold
professor Szabolcs Marka.
“There are many, many extraor-
dinary discoveries within the
discovery.”
The colliding stars spewed
bright blue, super-hot debris
that was dense and unstable.
Some of it coalesced into heavy
elements, like gold, platinum
and uranium. Scientists had
suspected neutron star colli-
sions had enough power to cre-
ate heavier elements, but
weren’t certain until they wit-
nessed it.
“We see the gold being
formed,” said Syracuse’s Brown.
Calculations from a telescope
measuring ultraviolet light
showed that the combined mass
of the heavy elements from this
explosion is 1,300 times the
mass of Earth. And all that stuff
— including lighter elements —
was thrown out in all different
directions and is now speeding
across the universe.
Perhaps one day the material
will clump together into planets
the way ours was formed, Reitze
said — maybe ones with rich
veins of precious metals.
“We already knew that iron
came from a stellar explosion,
the calcium in your bones came
from stars and now we know the
gold in your wedding ring came
from merging neutron stars,”
said University of California
Santa Cruz’s Ryan Foley.
observation.”
It started in a galaxy called
NGC 4993, seen from Earth in
the Hydra constellation.
Two neutron stars, collapsed
cores of stars so dense that a tea-
spoon of their matter would
weigh 1 billion tons, danced ever
faster and closer together until
they collided, said Carnegie In-
stitution astronomer Maria
Drout.
The crash, called a kilonova,
generated a fierce burst of gam-
ma rays and a gravitational
wave, a faint ripple in the fabric
of space and time, first theorized
by Albert Einstein.
“This is like a cosmic atom
smasher at a scale far beyond
humans would be capable of
building,” said Andy Howell, a
staff scientist at the Las Cum-
bres Observatory. ‘We finally
now know what happens when
an unstoppable force meets an
immovable object and it’s a kilo-
nova.”
By Seth Borenstein
AP Science Writer
WASHINGTON- It was a
faint signal, but it told of one of
the most violent acts in the uni-
verse, and it would soon reveal
secrets of the cosmos, including
how gold was created.
Astronomers around the
world reacted to the signal
quickly, focusing telescopes lo-
cated on every continent and
even in orbit to a distant spot in
the sky.
What they witnessed in mid-
August and revealed Monday
was the long-ago collision of two
neutron stars — a phenomenon
California Institute of Technolo-
gy’s David H. Reitze called “the
most spectacular fireworks in
the universe.”
“When these things collide,
all hell breaks loose,” he said.
Measurements of the light
and other energy emanating
from the crash have helped sci-
entists explain how planet-kill-
ing gamma ray bursts are bom,
how fast the universe is expand-
ing, and where heavy elements
like platinum and gold come
from.
i frMffli
m
•m
Cl
\
Susan Walsh/AP
David Reitze of the California Institute of Technology and the executive director of the Laser
Interferometer Gravitational-Wave Observatory speaks at the National Press Club in Wash-
ington on Monday.
Washington state that are a part
of the LIGO Laboratory, whose
founders won a Nobel Prize ear-
lier this month. A worldwide
alert went out to focus tele-
scopes on what became the most
well-observed
event in history.
Before August, the only other
gravity waves detected by LIGO
were generated by colliding
black holes. But black holes let
no light escape, so astronomers
could see nothing.
This time there was plenty to
see, measure and analyze: mat-
ter, light, and other radiation.
The Hubble Space Telescope
even got a snapshot of the after-
glow.
at.
The crash happened 130 mil-
lion years ago, while dinosaurs
still roamed on Earth, but the
signal didn’t arrive on Earth un-
til Aug. 17 after traveling 130 mil-
lion light-years. A light-year is
5.88 trillion miles.
Signals were picked up with-
in 1.7 seconds of each other, by
NASAs Fermi telescope, which
detects gamma rays, and gravity
wave detectors in Louisiana and
It is like “the classic challenge
of finding a needle in the hay-
stack with the added challenge
that the needle is fading away
and the haystack is moving,” said
Marcelle Soares-Santos, an as-
trophysicist at Brandeis Univer-
“This is getting everything
you wish for,” said Syracuse Uni-
versity physics professor Dun-
can Brown, one of more than
4,000 scientists involved in the
blitz of science that the crash
kicked off. “This is our fantasy
astronomical
Finding where the crash hap-
pened wasn’t easy. Eventually
scientists narrowed the location
sity.
“The completeness of this
picture from the beginning to
the end is unprecedented,” said
Columbia University physics
down to 100 galaxies, began a
closer search of those, and found
it in the ninth galaxy they looked
Trump: Predecessors didn’t honor fallen
BRIEFLY
IN DENTON
patrolling in unarmored trucks
with Nigerien troops.
“I actually wrote letters indi-
vidually to the soldiers we’re
talking about, and they’re going
to be going out either today or
tomorrow,” he said, meaning he
wrote to the families of the fallen
soldiers. He did not explain why
the letters had not been sent yet,
more than a week after the at-
tack.
By Calvin Woodward
The Associated Press
WASHINGTON- For U.S.
presidents, meeting the families
of military personnel killed in
war is about as wrenching as the
presidency gets. President Don-
ald Trump’s suggestion Monday
that his predecessors fell short in
that duty brought a visceral re-
action from those who wit-
nessed those grieving encoun-
ters.
Finalists announced
for new head of DME
serving as a program manager
and housing specialist. She also
worked on the Denton County
Homelessness Coalition to re-
duce homelessness in the area.
Scott earned a bachelor’s de-
gree in human services manage-
ment from Cardinal Stritch Uni-
versity in Wisconsin.
For more information on
Giving Hope, go to www.ho-
peincdenton.com.
To contact the executive di-
Five people have been named
finalists in a nationwide search
for a new general manager for
the city’s electric department,
Denton Municipal Electric.
City Manager Todd Hileman
winnowed a field of 111 appli-
cants to four men and one wom-
an, including Glenn Fisher of
Oklahoma, Marilyn Gilbert of
New York, Tad Johnsen of Mis-
souri, Michael Jones of Wash-
ington and George Morrow of
California.
m
iE
“If you look at President Oba-
ma and other presidents, most
of them didn’t make calls,”
Trump said.
Pressed on that statement
later, he said of Obama: “I was
told that he didn’t often, and a
lot of presidents don’t. They
write letters.” He went on: “Pres-
ident Obama, I think, probably
did sometimes, and maybe
sometimes he didn’t. I don’t
know. That’s what I was told....
rector, email Tyheshia@
hopeincdenton.com.
“He’s a deranged animal,”
Alyssa Mastromonaco, a former
deputy chief of staff to President
Barack Obama, tweeted about
Trump. With an expletive, she
called Trump’s statement in the
Rose Garden a lie.
Trump said in a news confer-
ence he had written letters to the
families of four soldiers killed in
an Oct. 4 ambush in Niger and
planned to call them, crediting
himself with taking extra steps
in honoring the dead properly.
“Most of them didn’t make calls,”
he said of his predecessors. He
said it’s possible that Obama
“did sometimes” but “other pres-
idents did not call.”
The record is plain that presi-
dents reached out to families of
the dead and to the wounded,
often with their presence as well
as by letter and phone. The path
to Walter Reed and other mili-
j.
x
— Staff report
Pablo Martinez Monsivais/AP file photo
President Barack Obama, center, salutes as an Army carry
team carries the transfer case containing the remains of Sgt.
Dale R. Griffin of Terre Haute, Ind., during a dignified transfer
event at Dover Air Force Base, Del., in 2009.
November ballot items
to be discussed
The finalists will participate
in a community reception as
part of their in-person interview.
The public is welcome to come
and go at the reception from
5:45 to 7:30 p.m. Thursday at
the Civic Center, 321E. McKin-
ney St.
Denton voters can learn
more about what’s on the No-
vember ballot in a panel discus-
sion beginning at 7 p.m. Thurs-
day in the Blagg-Huey Library
at Texas Woman’s University,
304 Administration Drive.
The Denton chapter of the
League of Women Voters is
bringing community experts to
talk about the seven amend-
ments proposed for the Texas
Constitution and the five propo-
sitions to change the Denton city
charter. Audience members will
tary hospitals, as well as to the
Dover, Delaware, Air Force Base
where the remains of fallen sol-
diers are often brought, is a fa-
miliar one to Obama, George W.
Bush and others.
Bush, even at the height of
two wars, “wrote all the families
of the fallen,” said Freddy Ford,
spokesman for the ex-president.
Ford said Bush also called or
met “hundreds, if not thou-
sands” of family members of the
war dead.
Obama’s official photogra-
pher, Pete Souza, tweeted that
he photographed Obama “meet-
ing with hundreds of wounded
soldiers, and family members of
those killed in action.” Others re-
called his frequent visits with
Gold Star families, and travels to
Walter Reed, Dover and other
venues with families of the dead
and with the wounded.
Trump addressed the matter
when asked why he had not spo-
ken about the four soldiers killed
in Niger. They died when mili-
tants thought to be affiliated
with the Islamic State group
ambushed them while they were
Some presidents didn’t do any-
thing.”
— Staff report
Executive director of
Our Daily Bread resigns
Press Secretary Sarah Huck-
abee Sanders said later that
Trump “wasn’t criticizing prede-
cessors, but stating a fact.” She
argued that presidents didn’t al-
ways call families of those killed
in battle: “Sometimes they call,
sometimes they send a letter,
other times they have the oppor-
tunity to meet family members
in person.”
Our Daily Bread executive
director Brenda Jackson re-
signed her position on Friday,
according to the nonprofit’s
board of directors.
Kristina Bledsoe and Sharon
Kremer, the president and vice
president of Our Daily Bread’s
board, respectively, confirmed
Monday that Jackson had re-
signed but wouldn’t comment
on why she did so.
Our Daily Bread is a soup
kitchen that provides free meals
and services to the community.
Meals are served in the dining
hall at St. Andrew Presbyterian
Church, 300 W. Oak St. in Den-
ton.
be able to ask questions of the
panel.
Election Day is Tuesday, Nov.
7. Early voting begins Monday,
Oct. 23.
— Staff report
Denton ready to rebuild
Mockingbird Lane
BRIEFLY
ACROSS THE NATION
an end eight years after Berg-
dahl vanished.
President Barack Obama
brought him home in 2014 in a
swap for five Taliban prisoners
at Guantanamo Bay, saying the
U.S. does not leave its service
members on the battlefield. Re-
publicans roundly criticized
Obama, and Donald Trump
went further while campaigning
for president, repeatedly calling
Bergdahl a “dirty, rotten traitor”
who deserved to be executed by
firing squad or thrown out of a
plane without a parachute.
Fort Bragg, N.C.
Bergdahl pleads guilty to
deserting his post
Army Sgt. Bowe Bergdahl,
who was captured and held by
the Taliban for five years after
walking away from his post in
Afghanistan, pleaded guilty
Monday to desertion and en-
dangering his comrades —
charges that could put him be-
hind bars for the rest of his life.
The guilty plea brings the
highly politicized saga closer to
Phoenixville, Pa.
Candidate touts dea of
drug-sniffing bunnies
A Philadelphia-area mayoral
candidate says he was serious
when he vowed to investigate
the use of drug-sniffing bunnies
if elected — even though it ap-
pears to stem from a hoax.
The Philadelphia Inquirer
reports Republican nominee
Dave Gautreau broached the
idea Thursday at a Phoenixville
mayoral forum.
The candidate told the news-
paper he had been told about
the idea at a gathering and
thought he had confirmed with
someone in Lancaster the rab-
bits were in use there.
Last year, the idea surfaced in
an April Fools’ post by Amherst,
New York, police and on a satire
page called People of Lancaster.
Gautreau said in a since-re-
moved Facebook post he takes
his mayoral run seriously and is
looking for “creative ways” to
fight the war on drugs.
— The Associated Press
Motorists can learn more
about Mockingbird Lane’s re-
construction at an open house
Wednesday evening.
From 6 to 8 p.m. at the Civic
Center, 321E. McKinney St., res-
idents are welcome to come and
Bledsoe and Kremer said
they are searching for a replace-
ment for Jackson but said her
departure wouldn’t affect daily
operations.
go to learn more about the work
that is expected to last from Oct.
23 to Feb. 20, weather permit-
ting.
— Caitlyn Jones
Scott named executive
director of Giving Hope
Officials with Giving Hope
Inc. announced Monday that
Tyheshia Scott will serve as the
nonprofit’s new executive direc-
tor. She replaces Stephanie
Briggs, who resigned in August
after a month in the position.
The organization provides
resources for people experienc-
ing homelessness in Denton
County.
Scott has been working at
Giving Hope for about a year,
Lane Construction got the
contract to realign and widen
the thoroughfare on Denton’s
east side. Mockingbird will be
rebuilt from McKinney Street to
Paisley Street and from Audra
Lane to Newport Avenue.
Crews will replace damaged
curbs and gutters, mill the as-
phalt, treat the road base and lay
a new 9-inch asphalt surface.
For more information, call
Robbin Webber at 940-349-
7146 or email Robbin.
Webber@cityofdenton.com.
— Staff report
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Parks, Scott K. Denton Record-Chronicle (Denton, Tex.), Vol. 114, No. 76, Ed. 1 Tuesday, October 17, 2017, newspaper, October 17, 2017; Denton, Texas. (https://texashistory.unt.edu/ark:/67531/metapth1131654/m1/3/: accessed June 24, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; .