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Dr. Victoria Grinberg's posts Post Back to profile
Dr. Victoria Grinberg

We are all stardust.

That oxygen you breath? That comes from dying massive stars, ending their light in a supernova.

The iron in your blood? Some massive stars dying, but mainly white dwarfs, the leftovers of dwarf stars like our own Sun, exploding.

The gold ring on your finger? Mostly merging neutron stars, leftovers from supernovae.

#astrodon #scicomm #astronomy

Graphic showing the periodic table of elements with elements colored by their most likely origin in different astrophysical processes. From https://www.astronomy.ohio-state.edu/johnson.3064/nucleo/
5 Dec 2022 at 16:14 | Open on mastodon.social
192 comments
Murteza Yesil πŸ‡ΊπŸ‡¦

One's garbage is other's treasure.
@vicgrinberg

29 Dec 2022 at 22:14 | Open on fosstodon.org
Diabetic Heihachi

@vicgrinberg
Stars are gas. Can we all agree that we are also #StarFarts?

Stock photo of teen with a cheeky grin
29 Dec 2022 at 22:28 | Open on nerdculture.de
Dr. Victoria Grinberg

@DavBot I'd rather describe solar flares as #StarFarts, e.g. this one: esa.int/Science_Exploration/Sp - and if we are caught up in one, this can become rather dangerous, actually, see the so-called Carrington Event

29 Dec 2022 at 22:32 | Open on mastodon.social
Diabetic Heihachi

@vicgrinberg
Another #GreatFilter. A civilization needs enough time of stellar calm to develop and get off the rock spinning inside the shooting gallery. The odds of getting dutch oven'd by your parent star are pretty good in those lengths of time.

29 Dec 2022 at 22:43 | Open on nerdculture.de
Dr. Victoria Grinberg

@DavBot Not really - getting "off the rock" is likely too rare an event and ther isn't much where one could go. But stellar flares to play an important role in habitability studies, e.g. to make sure a planet can keep an atmosphere at all: aanda.org/articles/aa/abs/2022

29 Dec 2022 at 22:47 | Open on mastodon.social
Diabetic Heihachi

@vicgrinberg
Very cool! This is proposing flares act like a haircut for a planets atmosphere, too little and your all hot and sweaty, too much and your bald and burned.

29 Dec 2022 at 22:58 | Open on nerdculture.de
renatevanstigt
photon

@vicgrinberg

This reminds me of a recurring thought that I always have: the mundane is miraculous; the miraculous is mundane.

8 Jan 2023 at 12:31 | Open on mas.to
SZzz

@vicgrinberg caught up in some dirty bargain

8 Jan 2023 at 13:52 | Open on c.im
Petra van Cronenburg

@vicgrinberg Reminds me of the never forgotten explanations by #CarlSagan and the famous "building blocks of life".
Thanks for the interesting links! #StarStuff #Supernova

8 Jan 2023 at 14:27 | Open on mastodon.online
Cybarbie

@vicgrinberg except the grey ones? thye must come from somewhere, where do they come from... all the others?

8 Jan 2023 at 14:56 | Open on mastodon.social
royal :terminal:

@vicgrinberg If you don't mind, a Q from a layman who loves science but lacks the math.

Stars are incredibly far away, especially when not traveling at the speed of light. How does all that matter get *here*? Is the age of the universe ancient enough compared to the slow movement of matter moving through space enough to explain it? Did that matter get distributed when the universe was a lot "smaller" than it is today, and clumps of matter were closer together? 1/2

8 Jan 2023 at 14:57 | Open on fosstodon.org
royal :terminal:

@vicgrinberg Stars seem so very far away today that it's hard to imagine the matter in them influencing other stars, except for very far away effects like gravity and whatever causes cosmic superstructures. 2/2

8 Jan 2023 at 14:58 | Open on fosstodon.org
Vaneshi
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