Sunday, 10 December 2023
KaitaiaWhangareiDargavilleAucklandThamesTaurangaHamiltonWhakataneRotoruaTokoroaTe KuitiTaumarunuiTaupoGisborneNew PlymouthNapierHastingsDannevirkeWhanganuiPalmerston NorthLevinParaparaumuMastertonWellingtonMotuekaNelsonBlenheimWestportReeftonKaikouraGreymouthHokitikaChristchurchAshburtonTimaruWanakaOamaruQueenstownDunedinGoreInvercargill
NZ HeraldThe Northern AdvocateThe Northland AgeThe AucklanderWaikato HeraldBay Of Plenty TimesRotorua Daily PostHawke's Bay TodayWhanganui ChronicleThe Stratford PressManawatu GuardianKapiti NewsHorowhenua ChronicleTe Awamutu CourierVivaEat WellOneRoofDRIVEN Car GuideThe CountryPhoto SalesiHeart RadioRestaurant Hub
Voyager 2023 media awards
Subscribe
Advertisement
Advertise with NZME.
Home / New Zealand

Weird Science: Is 'Planet Nine' out there?

Jamie Morton
By
Jamie Morton
6 Oct, 2017 04:00 PM5 mins to read
Saveshare

Share this article

facebookcopy linktwitterlinkedinredditemail
Is "Planet Nine" lurking out there on the edge of our solar system? Photo / 123RF

Is "Planet Nine" lurking out there on the edge of our solar system? Photo / 123RF

It might be lingering bashfully on the icy outer edges of our solar system, hiding in the dark, but subtly pulling strings behind the scenes.

It's a possible "Planet Nine" - a world perhaps 10 times the mass of Earth and 20 times further from the sun than Neptune.

The signs so far are indirect, but add up to a compelling case nonetheless.

One of its most dedicated trackers, in fact, says it's now harder to imagine our solar system without a missing Planet Nine than with one.

Advertisement
Advertise with NZME.

"There are now five different lines of observational evidence pointing to the existence of Planet Nine," said Konstantin Batygin, a planetary astrophysicist at Caltech in Pasadena, California, whose team may be closing in on the heavenly body.

"If you were to remove this explanation and imagine Planet Nine does not exist, then you generate more problems than you solve.

"All of a sudden, you have five different puzzles, and you must come up with five different theories to explain them."

Batygin and his co-author on a new study, Caltech astronomer Mike Brown, described the first three clues last year, and two more have since emerged.

Advertisement
Advertise with NZME.

One suggested Planet Nine could have tilted the planets of our solar system during the last 4.5 billion years, explaining a longstanding mystery.

The other involved objects from the Kuiper Belt that orbit in the opposite direction to everything else in the solar system.

"No other model can explain the weirdness of these high-inclination orbits," Batygin said.

"It turns out that Planet Nine provides a natural avenue for their generation."

Related articles

New Zealand

Weird Science: Why are we scared of spiders?

27 Oct 04:00 PM
World

Weird space rock evidence of Planet Nine

22 May 12:17 AM

The remaining step, of course, is to find Planet Nine itself.

If discovered, it would be a homecoming of sorts, or at least a family reunion.

Over the past 20 years, surveys of planets around other stars in our galaxy have found the most common types to be "super Earths" and their somewhat larger cousins - bigger than Earth but smaller than Neptune.

Yet these common, garden-variety planets are conspicuously absent from our solar system.

Weighing in at roughly 10 times Earth's mass, the proposed Planet Nine would make a good fit.

It could turn out to be our missing super Earth.

Advertisement
Advertise with NZME.

Does morning sickness affect dads, too?

Researchers have suggested morning sickness can take a toll on expectant dads, too. Photo /123RF
Researchers have suggested morning sickness can take a toll on expectant dads, too. Photo /123RF

While it may sound enough to make women experiencing the nausea of early pregnancy scoff, researchers have suggested morning sickness can take a toll on expectant dads, too.

New research out of Australia's Edith Cowan University examined the experience of 300 expectant couples and found more support was needed for the partners of women experiencing nausea and vomiting during pregnancy.

The study aimed to gauge expectant fathers' awareness of what their partners were going through, and the affect it had on the dads themselves.

The study found 82 per cent of fathers were aware that their partner experienced morning sickness.

Of these, 20 per cent reported no nausea or vomiting, mild 30 per cent, moderate 37 per cent and severe 13 per cent.

The partners of all 11 women formally diagnosed with hyperemesis gravidarum, reported the nausea and vomiting was severe.

Advertisement
Advertise with NZME.

Researchers asked expectant fathers about their partners' condition and their own mental health and found a significant increase in dads' anxiety levels.

Although there was some support available for pregnant women during pregnancy, the fathers were often left to fend for themselves, lead researcher Julie Sartori said.

"The study showed that in families where the mother experienced moderate or severe morning sickness, fathers reported much higher levels of anxiety."

That anxiety was linked to five main factors - disruption to work, feelings of frustration and helplessness, concern over depression in their partner, worry for the developing baby, and a "sense of being manipulated".

"There needs to be an active approach from medical practitioners and antenatal care providers, towards expectant fathers in cases where morning sickness is moderate or severe," Sartori said.

"Professionals would normally focus on the wellbeing of pregnant women, however engaging the father as well may help relieve reported anxiety and improve outcomes in the long term."

Advertisement
Advertise with NZME.

Can night shift make you fat?

A new study has drawn a link between night shift work and obesity. Photo / 123RF
A new study has drawn a link between night shift work and obesity. Photo / 123RF

A new study has drawn a link between night shift and obesity.

Researchers from the Chinese University of Hong Kong analysed data from 28 previous studies to find that night shift work was connected to a 29 per cent increase in a worker's chance of becoming overweight or obese.

The weight was mostly centred around the worker's stomachs, say the scientists, and mostly affected those who worked nights permanently, rather than those who worked rotating shifts.

"Globally, nearly 0.7 billion workers are engaged in a shift work pattern," said the study's senior author, Dr Lap Ah Tse.

"Our study revealed that much of the obesity and overweight among shift workers is attributable to such a job nature.

"Obesity has been evident to be positively associated with several adverse health outcomes, such as breast cancer, cardiovascular diseases."

Advertisement
Advertise with NZME.

The researchers suggest adjusting work schedules to avoid extended exposure to long-term night work could lighten the load, literally.

Saveshare

Share this article

facebookcopy linktwitterlinkedinredditemail
Advertisement
Advertise with NZME.

Latest from New Zealand

New Zealand

'Alarming': Baby found in teens' impounded car at Waikato street-racing event

10 Dec 04:38 AM
New Zealand

Armed police respond to incident at residential Christchurch address

10 Dec 04:28 AM
New Zealand

Why news is disappearing from social media - and what that means

10 Dec 04:25 AM
New Zealand

Twelve arrests made overnight in Waikato after illegal street racing

10 Dec 04:12 AM

“Never been a better time to buy an EV”

sponsored
Advertisement
Advertise with NZME.

Latest from New Zealand

'Alarming': Baby found in teens' impounded car at Waikato street-racing event

'Alarming': Baby found in teens' impounded car at Waikato street-racing event

10 Dec 04:38 AM

Police found baby in a car at street racer event where over 200 infringements were given.

Armed police respond to incident at residential Christchurch address

Armed police respond to incident at residential Christchurch address

10 Dec 04:28 AM
Why news is disappearing from social media - and what that means

Why news is disappearing from social media - and what that means

10 Dec 04:25 AM
Twelve arrests made overnight in Waikato after illegal street racing

Twelve arrests made overnight in Waikato after illegal street racing

10 Dec 04:12 AM
9 big questions over an EV road trip
sponsored

9 big questions over an EV road trip

About NZMEHelp & SupportContact UsSubscribe to NZ HeraldHouse Rules
Manage Your Print SubscriptionNZ Herald E-EditionAdvertise with NZMEBook Your AdPrivacy Policy
Terms of UseCompetition Terms & ConditionsSubscriptions Terms & Conditions
© Copyright 2023 NZME Publishing Limited
TOP