Image courtesy of Shutterstock.
Mars' largest moon Phobos
shows signs of being ripped apart by the extreme gravitational forces exerted
on it by the Red Planet,
Source:
.
Showing posts with label millions of year. Show all posts
Showing posts with label millions of year. Show all posts
Friday, 18 November 2022
Mars may be slowly ripping apart its largest moon
Image courtesy of Shutterstock.
Joel Kontinen
A new study has revealed that the weird parallel grooves on the surface of Mars' largest moon Phobos could be a sign that the Red Planet's gravity is ripping the satellite apart.
Friday, 31 July 2020
Microbes That Went to Sleep 101.5 Years Ago Are Brought to Life
Image: courtesy of JAMSTEC, fair use doctrine.
Some microbes that scientist say have seen daylight since the time
of the dinosaurs have just come alive.
They were brought up “from 328 feet (100
meters) below the 20,000-foot-deep (6,000 m) bottom of the South Pacific Gyre.
That's a region of the Pacific Ocean with very few nutrients and little oxygen
available for life to survive on, and the researchers were looking for data on
how microbes get along in such a remote part of the world.”
They went to sleep 101,5 million years ago and now they are brought to life by scientists.
The
scientist were not sure what they would do. ”However, cells responded, many of
them quickly. They quickly gobbled up nitrogen and carbon. Within 68 days, the
total cell count had quadrupled from the original 6,986. Aerobic bacteria —
oxygen breathers — were the hardiest cells and most likely to wake up. These
tiny organisms were surviving on just the tiny bubbles of air that make their
way down into sediment over geologic timescales. It seems that the metabolic
rate of aerobic bacteria is just slow enough to allow them to survive for such
extended periods.”
This is how evolution- believing scientist think they have
brought these the single-celled organisms back to life that can’t be given a lifespan in that way.
Source:
Letzter, Rafi. 2020. sleeping microbes wake up
after 100 million years buried under the seafloor. Rafi Life science• 30
July.
Saturday, 23 May 2020
Earth’s Magnetic Field Is Weakening
Joel Kontinen
"On average the planet's magnetic field has lost almost 10% of its strength over the last two centuries, but there is a large localised region of weakness stretching from Africa to South America.
Known as the South Atlantic Anomaly, the field strength in this area has rapidly shrunk over the past 50 years just as the area itself has grown and moved westward.
Over the past five years a second centre of minimum intensity has developed southwest of Africa, which researchers believe indicates the anomaly could split into two separate cells.
The anomaly is causing technical difficulties for satellites orbiting the Earth."
Some scientist think that this occurs repeated in the history of the Earth, roughly every 250,000 years or so.
Source:
Satellites and spacecraft malfunction as Earth's magnetic field mysteriously weakens, Sky-news . 22 May.
Friday, 5 October 2018
A 520. Million- Year- Old “Naked” Creature
Joel Kontinen
A 3 centimetre (1.1 inche) long Lenisambulatrix humboldti did not have any armour or claws.
This wormlike creature lived in the oceans some “520 million years ago”.
It’s founders compared it with the ferocious creature of the Cambrian.
But even today we have the naked mole rat, that gets animal lovers to get amazed at the creature.
Source:
Geggel, Laura, 2018, Without Claws or Armor, 520-Million-Year-Old 'Naked' Critter Was Likely a Loner. Live Science (20 September).
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