NASA major announcement on Thursday about life on the red planet

[Bobby]

Or fall off.

Microbes would not survive the harshness of space or re-entry -
they would only survive inside a rock if they were not heated up.

[freediver]

How do they get inside the rock?

[Super Nova]

Those microbes get toasted during entry into our atmosphere

Not all the microbes.

Yes, every last one of them , during entry or impact

NO

"The heat doesnt move very quickly in the meteorite," Kirschvink explained. "As the surface of the meteorite heats up, the melting surface is blown away, so it carries the hot material away from the meteorite." According to Kirschvink, the extreme heat never reaches more than a few millimeters into the rock. His group concluded from their measurements that the temperature at ALH84001's core never exceeded 40 degrees Celsius, or about 100 degrees Fahrenheit, en route from the Red Planet.
If heat didn't pose a threat to life, what of the voyage through space? According to Weiss, the European Space Agency conducted tests with bacteria to see how long they would survive in a near vacuum, exposed to subzero temperatures and ultraviolet radiation in space. "After six years they were still alive," Weiss said. Only one in every 10 million meteorites makes the trip from Mars to Earth anywhere near that quickly; most spend millions of years in space. "About a billion tons of Martian rocks have been transferred [to Earth] throughout the history of the planet," Weiss notes. And "once every million years there was a meteorite impact on Mars that was large enough to free enough mass to transport life to Earth." There is no evidence that life-forms from Mars have reached Earth, Weiss said but added: "If there were microorganisms on Mars, then it is probable that they would have made it here."

https://www.scientificamerican.com/arti ... th-in-a-m/

[Bobby]

How do they get inside the rock?

The rocks are porous.
Microbes are so tiny that they can move through a porous rock.

[BigP]

Done any experiments to test this theory?

Dont push your credabilty FD,,
this is from the Nasa site


""About once a year, an automobile-sized asteroid hits Earth's atmosphere, creates an impressive fireball, and burns up before reaching the surface.''

And?

What about all the microbe size pieces that fall of it on the way down? A bit less energy to dissipate do you think?

If you feel you are better equiped than NASA to pass comment ,then you have my bleesing

[freediver]

How do they get inside the rock?

The rocks are porous.
Microbes are so tiny that they can move through a porous rock.

So porous rocks protect the microbes from outer space?

Perhaps we should save some money by giving our astronauts sponges to wear.

[BigP]

Those microbes get toasted during entry into our atmosphere

Not all the microbes.

Yes, every last one of them , during entry or impact

NO

"The heat doesnt move very quickly in the meteorite," Kirschvink explained. "As the surface of the meteorite heats up, the melting surface is blown away, so it carries the hot material away from the meteorite." According to Kirschvink, the extreme heat never reaches more than a few millimeters into the rock. His group concluded from their measurements that the temperature at ALH84001's core never exceeded 40 degrees Celsius, or about 100 degrees Fahrenheit, en route from the Red Planet.
If heat didn't pose a threat to life, what of the voyage through space? According to Weiss, the European Space Agency conducted tests with bacteria to see how long they would survive in a near vacuum, exposed to subzero temperatures and ultraviolet radiation in space. "After six years they were still alive," Weiss said. Only one in every 10 million meteorites makes the trip from Mars to Earth anywhere near that quickly; most spend millions of years in space. "About a billion tons of Martian rocks have been transferred [to Earth] throughout the history of the planet," Weiss notes. And "once every million years there was a meteorite impact on Mars that was large enough to free enough mass to transport life to Earth." There is no evidence that life-forms from Mars have reached Earth, Weiss said but added: "If there were microorganisms on Mars, then it is probable that they would have made it here."

https://www.scientificamerican.com/arti ... th-in-a-m/

And even if there were microbes on the lumps of debris ,surving the 100,000 year trip is their next challange , Maybe bob would have them packing a picnic for the journey lol

[freediver]

Do you know how long they can remain dormant for?

Space is the perfect freeze drier.

[BigP]

Do you know how long they can remain dormant for?

Space is the perfect freeze drier.

Valid point for spores yeasts etc,

[freediver]

We are talking about much simpler organisms - small molecular robots. Life seeds.