Gamma Rays From Stellar Explosions
Stump Astronomers (Source: Science News)
There’s a newfound source of gamma rays: explosions on the surfaces of
stars. Figuring out how these novas generate such high-energy light
might help astronomers understand the lifecycle of those types of stars
and how they might evolve into more powerful explosions such as
supernovas.
Over the last six years, the Fermi satellite has seen bursts of gamma
radiation coming from a menagerie of sources such as pulsars and
remnants of exploding stars. But in 2012 and 2013, Fermi detected
something new — three gamma-ray bursts associated with novas. “There’s
nothing in the literature that says novae can produce gamma rays,” says
Teddy Cheung, who is part of the Fermi team. (8/4)
Loral Selected to Provide Intelsat
Satellite (Source: SSL)
Space Systems/Loral (SSL) was selected to provide a communications
satellite to Intelsat. Intelsat 36 is designed to provide media and
content distribution services in Africa and South Asia. The satellite
will be located over the Indian Ocean to provide both Ku- and C-band
services, with MultiChoice, Africa’s leading pay TV provider, utilizing
the Ku-band payload. (8/4)
ILS Reduces Staff by 25%
(Source: Forbes)
International Launch Services will be laying off about 25% of its
workforce, due to anticipated reductions in its launch schedule.
“Staffing at ILS is now at a level that is consistent with our
near-term business, which required us to decrease our workforce by
roughly 25%... Previous staffing was consistent with planning for 7-8
launches per year. We are now targeting for 3-4 missions annually,” ILS
President Phil Slack said.
A spokesperson for the company told me that the primary reason for the
reduced launch expectations include increased competition due to
smaller spacecraft. The Proton is a heavy lift vehicle and can handle
both large payloads and multiple small payloads. However, for small,
single payloads, there’s more competition, and consequently ILS’
competitors have received many of those contracts. (8/4)
SpaceX Commits to Spaceport in Texas
(Sources: Venture Beat, Bloomberg)
Brownsville is about to get much more famous. Today, Gov. Rick Perry
(R) announced that California-based commercial space-travel startup
SpaceX had reached an agreement to build its first commercial spaceport
and launch pad in Texas. SpaceX expects to launch 12 orbital rockets
per year from the site. Per terms of the deal, SpaceX will build a
control center in Cameron County, Texas, with a launch facility in
Brownsville.
The state is providing $2.3 million from the Texas Enterprise Fund to
bring an estimated 300 jobs to the launch site, which will inject about
$85 million of capital investment into the economy, according to a news
release. The state is offering another $13 million from the SpacePort
Trust Fund to support the development of infrastructure. Local
officials are awarding about $5 million of incentives. (8/4)
A NASA Scientist on Why Australian
Funding Cuts are an Embarrassment (Source: ABC)
The federal budget was unveiled almost three months ago, but various
sectors are still reeling from funding cuts. As well as universities,
welfare, and government programs, scientific research has also been
affected. In May, the federal government slashed funding to the CSIRO
by $111 million over the next four years.
In Queensland alone, 100 CSIRO mathematicians and computer mapping
staff will lose their jobs. Dr Abigail Allwood is a Brisbane-based
scientsist who now works at NASA's Jet Propulsion Lab in Pasadena,
California. She says that the federal government's cuts to science are
an embarrassment. (8/5)
New Canadian Rocket Company Plans
"Neutrino" Small Launcher (Source: SpaceRef)
It might come as a surprise to most Canadians, but Canada has never
launched a rocket into orbit. Sure, we were the third country in the
world to build our own satellite, the Alouette, but it was launched by
the U.S. on an American rocket. Sure we've sent astronauts into space,
built the Canadarm, Canadarm2, Dextre, have satellites in orbit and
even sent instruments to Mars. But sending a rocket into orbit, never.
That could all change though if Open Space Orbital has its way.
Open Space Orbital of Nova Scotia is now going public with its plans to
develop a small satellite rocket launcher, called Neutrino 1, which
would be capable of launching small satellites weighing up to 50kg into
orbit and is looking to the public to provide the initial seed money to
get the company off the ground. Open Space Orbital launched a
crowdfunding campaign to raise $100,000 on Kickstarter. The money will
be used to setup an office in Halifax, continue its preliminary
research, and most importantly, continue the process of fundraising
from private and government sources. (8/4)
I want a President Who Believes in
Aliens (Sourcew: RedEye)
This summer has been an exciting time for political and space-alien
junkies alike. On the E.T. front, NASA has discovered so many new
planets that it spurred Sara Seager, a professor of planetary science
at MIT, to say, “We believe we're very, very close in terms of
technology and science to actually finding the other Earth and our
chance to find signs of life on another world.”
And as far as politics goes, we’ve got exciting midterms—blah, blah—and
the 2016 presidential race is heating up—blah, blah, blah—Hillary
Clinton, Ted Cruz, “Chris Christie is his own newly discovered planet”
joke, etc. OK, so our insipid political discourse is light years less
exciting than exoplanets, which brings me to my next point: Isn’t it
totally bizarre that we would never elect a president who claimed to
believe in extraterrestrial life and included the issue in his
platform?
Yet it’s beyond required that all of our candidates believe in an
omnipotent magic man in the sky who reads their thoughts and does them
favors if they ask nicely? C’mon, that’s weird! We treat the latter as
pious and thoughtful and the former as kooks? That’s really weird! It
ain’t exactly top-secret Area 51 info that extraterrestrial life
certainly exists—or did you not see “Cosmos”? (8/4)
Best Method for Finding Aliens Will
Involve a Ton of False Positives (Source: Motherboard)
If aliens aren't going to visit us in a flying saucer, we've got to
find a way to determine whether they're out there, minding their own
business on some faraway exoplanet. Unfortunately, one of the best
proposed methods of doing it is likely to result in a whole bunch of
false positives, according to a researcher at MIT.
There's a lot of ways that astronomers and SETI researchers are looking
for inhabited planets—we're looking into intercepting radio
transmissions, sending some out ourselves, looking for biological
components on Mars, and even looking for alien pollution—but analyzing
exoplanets' atmospheres for "biosphere gases" (the ones given off by
life) is one of the more promising and realistic techniques.
At least, that's what we thought. But a new paper published by Sara
Seager, a planetary researcher at MIT, suggests that maybe atmosphere
analysis isn't all it's cracked up to be. That's because exoplanets are
incredibly diverse, and the gases we're likely to run into (and that
could be suspected to be coming from living things) could have
perfectly normal geological origins. "False positives will, in many
cases, be a problem, and in the end, we will have to develop a
framework for assigning a probability to a given planet to have signs
of life," she wrote. (8/5)
45 Years After Apollo 11, NASA
Prepares for Another Big Splashdown (Source: Planetary Society)
Humans won’t ride in Orion until 2021. But in December, an uncrewed
version of the capsule will be sent around the Earth for a two-orbit
shakedown cruise. Last February, NASA and the U.S. Navy headed out into
the Pacific to practice recovering a test version of Orion called the
Boilerplate Test Article, or BTA. They also wanted to try fishing all
of Orion’s hardware out of the sea—stuff that is shed as the capsule
returns from space.
The tests encountered some snags—literally. Mike Generale, the Orion
recovery operations manager and recovery test director at KSC, said
that NASA and the Navy successfully recovered the forward bay cover and
parachutes. They also demonstrated proper coordination with mission
control in Houston. But when it came time to pull the Orion BTA out of
the U.S.S. San Diego’s well deck, things got a little tricky.
The waves in the Pacific that day began steadily rocking the San Diego
from bow to stern. Every time the stern lifted, more waves came
crashing into the well deck, causing the water in the ship to slosh
back and forth. Orion bounced and jostled. Line handlers on the well
deck’s wing walls struggled to maintain control. And some of the
tending lines got caught on the capsule’s recovery cradle. It was all
too much—the team needed to stop and regroup. Click here.
(8/4)
Feeling StrongARMed (Source:
Space Review)
A mission to redirect an asteroid into lunar orbit to be visited by
astronauts might sound like something of great interest to planetary
scientists, but many remain skeptical of NASA's Asteroid Redirect
Mission (ARM). Jeff Foust provides an update on ARM and why some
scientists feel so strongly negative about the proposed mission. Visit http://www.thespacereview.com/article/2572/1
to view the article. (8/4)
The ExoLance Project and the Search
for Life on Mars (Source: Space Review)
Last week, Explore Mars formally kicked off a crowdfunding effort for
the first phase of ExoLance, a project to develop penetrators that
could fly to Mars as part of other missions. Joe Cassady explains why
ExoLance could revolutionize the search for life on Mars. Visit http://www.thespacereview.com/article/2571/1
to view the article. (8/4)
CubeSats to the Moon (Source:
Space Review)
As CubeSats become widely used for various applications in Earth orbit,
some are thinking about how such small spacecraft can be used for
missions beyond Earth. Jeff Foust reports on recent proposals to send
CubeSat missions to -- and, in some cases, into -- the Moon. Visit http://www.thespacereview.com/article/2570/1
to view the article. (8/4)
The Moon or Mars? (Source:
Space Review)
Two months after its release, a report by the National Research Council
on human space exploration continues to trigger debate on what NASA
should be doing beyond Earth orbit. Eric Hedman examines in particular
the perceived disconnect in interest between the Moon and Mars. Visit http://www.thespacereview.com/article/2569/1
to view the article. (8/4)
Operational Hosted Payloads Clear Big
Government Hurdle (Source: Aviation Week)
U.S. Air Force adoption of a streamlined process to buy piggyback rides
for government payloads on commercial spacecraft should go a long way
toward accelerating the nascent hosted-payload industry, which has
languished after a faltering start.
The USAF Space and Missile Systems Center (SMC) has awarded
indefinite-delivery / indefinite-quantity (IDIQ) contracts worth as
much as $494.9 million each over five years to 14 companies it judges
able to put military and civil payloads on commercial satellites. The
goal of the Hosted Payload Solutions (HoPS) program is to save
taxpayers’ money by sharing the housekeeping services of power supply,
data-handling and communications with the spacecraft owner. (8/4)
Center for Orbital Debris Recruits
Industrial Affiliates (Source: LaunchSpace)
The newly formed Center for Orbital Debris Education and Research
(CODER) at the University of Maryland is off to a rapid start.
Collaborations within the industry are quickly being formed in order to
create focused research projects that will hopefully lead to a better
understanding of the many complex issues regarding orbital debris and
its effects on the future of spaceflight as we know it.
CODER is starting its proactive outreach program with the 2014 Orbital
Debris Workshop. This event will be held at the University of Maryland,
November 18-20, 2014. The workshop will include presentations from
experts on the technology, policy, legal and business aspects of
dealing with orbital debris issues. More information on the CODER
Industrial Affiliates Program and the Orbital Debris Workshop is
available here. (8/4)
Sierra Nevada Corp. and BioServe
Cooperation (Source: SNC)
Sierra Nevada Corp. is pleased to announce it is expanding its
relationship with the University of Colorado Boulder (CU-Boulder)
through the signing of a letter of cooperation with CU-Boulder’s
BioServe Space Technologies (BioServe). Through the cooperation, SNC
and BioServe will jointly explore ways the Dream Chaser Space Utility
Vehicle (SUV) can serve as an orbital platform for scientific
experiments in microgravity and space life science research.
SNC and CU-Boulder have a long-standing relationship collaborating on
various projects throughout the development of the Dream Chaser
commercial space transportation vehicle. Currently, CU-Boulder is a
Dream Chaser program – Dream Team – member. CU-Boulder has provided SNC
with leading research and development support over the past several
years, including defining the overall cockpit design of the Dream
Chaser spacecraft. (8/4)
Space Coast Dem. Candidate Gets $220K
SpacePAC (Source: Sunshine State News)
A congressional candidate in Florida is getting a boost from a super
political action committee with one donor, which happens to be his dad.
Gabriel Rothblatt’s father, Martine founded Sirius Satellite Radio and
a Maryland-based biotech company. The 8th Congressional District, in
which Rothblatt is running, includes Kennedy Space Center.
Such vast, available resources, coupled with elite connections, could
go a long way toward unseating the incumbent Republican with little
outside name recognition, U.S. Rep. Bill Posey. Interestingly,
Rothblatt’s super-PAC is called SpacePAC. “We are SpacePAC Space
Political Affairs Committee, based in Washington, D.C.. with primary
intent to make man’s access to space not a destination but a regular
activity,” reads the super-PAC’s website. (8/4)
SLS Rocket to Launch Cubesat Program
(Source: SpaceFlight Insider)
If NASA’s Space Launch System (SLS), the current heavy-lift rocket
program designed to replace the space shuttle, does get the funding it
needs, the first mission will carry not humans but 11 cubesats. The
project to launch them via SLS is still in the planning stages, but
NASA Human Exploration and Operations Directorate’s Advanced
Exploration Systems program has chosen three of the 11 cubesat missions
already.
Once NASA Advanced Exploration Systems officials approve each mission
concept, researchers will begin the process of designing and building
the cubesats themselves, each of which will be 6U in size. If all goes
as planned, SLS will carry the cubesats below the Orion crew capsule
where life support systems would normally go, and they will be released
after the Orion is sent into a distant lunar retrograde orbit. Each
cubesat would send data back via NASA’s Deep Space Network. (8/4)
No comments:
Post a Comment