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APOD: Fermi Science Finals (2018 Jul 23)
Posted: Mon Jul 23, 2018 4:07 am
by APOD Robot
Fermi Science Finals
Explanation: The Fermi Science Playoffs celebrate 10 years of the Fermi Gamma-ray Space Telescope's
exploration of the high-energy universe. Surviving all early rounds of voting, these two finalists in the competion square off at last. Digital illustrations from a list of 16 of Fermi's top scientific discoveries, they represent
the competition's two top seeds, defeating 12th seed
New Clues to Dark Matter and 14th seed
Starquakes in Magnetar Storm in the semifinal round. On the left are unprecedented, unpredicted, 25,000 light-year tall
Gamma-ray Bubbles above and below the plane of our Milky Way galaxy. On the right, violently merging
Neutron Stars Collide to create the first gamma-ray detected gravitational wave event. Pick one now and
cast your vote here to crown the most popular science result from Fermi's first decade.
Re: APOD: Fermi Science Finals (2018 Jul 23)
Posted: Mon Jul 23, 2018 4:51 am
by isblech@technion.ac.il
gamma-rays objects
Re: APOD: Fermi Science Finals (2018 Jul 23)
Posted: Mon Jul 23, 2018 6:38 am
by Boomer12k
BOTH... a tie...but if forced to pick... "Neutron Stars Collide".
It was a big question, and a long time coming.
"Gamma Ray Bubbles"???? going to look that up...OK...my theory...for what it is worth...
Jets from CMB shoot out of the galaxy...top and bottom... then...event ends.... This is what is produced as the gasses dissipate out into open space when there is no further CMB action... Just my guess...
:---[===] *
Re: APOD: Fermi Science Finals (2018 Jul 23)
Posted: Mon Jul 23, 2018 7:10 am
by DomeLord
Being a firm believer in co-operation rather than competition, one has to pass here but best wishes all round. Stating the obvious I know but science, like music, isn't about competition.
Re: APOD: Fermi Science Finals (2018 Jul 23)
Posted: Mon Jul 23, 2018 7:32 am
by Antony Rawlinson
Are these actual telescopic images, false-colour enhancements, overlays of gamma images with visible light, or artists' impressions? The text doesn't make it clear.
Re: APOD: Fermi Science Finals (2018 Jul 23)
Posted: Mon Jul 23, 2018 9:57 am
by heehaw
Antony Rawlinson wrote: ↑Mon Jul 23, 2018 7:32 am
Are these actual telescopic images, false-colour enhancements, overlays of gamma images with visible light, or artists' impressions? The text doesn't make it clear.
They are FAKE NEWS. I think this whole "competition" is disgusting.
Re: APOD: Fermi Science Finals (2018 Jul 23)
Posted: Mon Jul 23, 2018 10:44 am
by Ann
Antony Rawlinson wrote: ↑Mon Jul 23, 2018 7:32 am
Are these actual telescopic images, false-colour enhancements, overlays of gamma images with visible light, or artists' impressions? The text doesn't make it clear.
They are artist's impressions, although the Milky Way disk might be a visible overlay. As for the giant gamma ray bubbles above and below the plane of the Milky Way, this is what Fermi actually detected:
As for the colliding neutron stars, they are located some 130 million light years from the Earth, and they are very tiny. No Earthly telescope exists that could photograph the colliding neutron star merger in such detail as in today's APOD.
Ann
Re: APOD: Fermi Science Finals (2018 Jul 23)
Posted: Mon Jul 23, 2018 1:36 pm
by Chris Peterson
DomeLord wrote: ↑Mon Jul 23, 2018 7:10 am
Being a firm believer in co-operation rather than competition, one has to pass here but best wishes all round. Stating the obvious I know but science, like music, isn't about competition.
Music competitions are valuable and advance music. Likewise for science competitions. Not only do they motivate musicians and scientists, but they also can be very valuable in stimulating public interest (which is the main point of this particular competition).
Re: APOD: Fermi Science Finals (2018 Jul 23)
Posted: Mon Jul 23, 2018 3:54 pm
by MarkBour
I want to cast my vote for the version that Ann posted.
Re: APOD: Fermi Science Finals (2018 Jul 23)
Posted: Mon Jul 23, 2018 9:38 pm
by BDanielMayfield
Both are worthy contenders, but I voted for
On the right, violently merging Neutron Stars Collide to create the first gamma-ray detected gravitational wave event.
due to the importance of this event in the history of astronomy. This was the first ever "multi-messenger event", leading to confirmation of important theories re heavy element formation.
Bruce
Re: APOD: Fermi Science Finals (2018 Jul 23)
Posted: Tue Jul 24, 2018 3:17 am
by Ann
BDanielMayfield wrote: ↑Mon Jul 23, 2018 9:38 pm
Both are worthy contenders, but I voted for
On the right, violently merging Neutron Stars Collide to create the first gamma-ray detected gravitational wave event.
due to the importance of this event in the history of astronomy. This was the first ever "multi-messenger event", leading to confirmation of important theories re heavy element formation.
Bruce
Most of those who cast their votes in this competition will vote like you did, Bruce. But of course, as a galaxy nerd, I had to vote for the Milky Way bubbles.
Ann
Re: APOD: Fermi Science Finals (2018 Jul 23)
Posted: Tue Jul 24, 2018 4:27 am
by BDanielMayfield
Ann wrote: ↑Tue Jul 24, 2018 3:17 am
BDanielMayfield wrote: ↑Mon Jul 23, 2018 9:38 pm
Both are worthy contenders, but I voted for
On the right, violently merging Neutron Stars Collide to create the first gamma-ray detected gravitational wave event.
due to the importance of this event in the history of astronomy. This was the first ever "multi-messenger event", leading to confirmation of important theories re heavy element formation.
Bruce
Most of those who cast their votes in this competition will vote like you did, Bruce. But of course, as a galaxy nerd, I had to vote for the Milky Way bubbles.
Ann
Maybe not Ann. This is a close call I think, because only Fermi could make the Milky Way Bubbles discovery, whereas a great many space and land based observatories were part of the neutron star collision discovery. If Fermi had missed the NS collision the discovery would still have been made, just with somewhat less confirmation. What tipped the balance for me was the large difference in importance between the two discoveries.
Bruce
Re: APOD: Fermi Science Finals (2018 Jul 23)
Posted: Tue Jul 24, 2018 9:16 pm
by edgardine
MarkBour wrote: ↑Mon Jul 23, 2018 3:54 pm
I want to cast my vote for the version that Ann posted.
Me too.
Re: APOD: Fermi Science Finals (2018 Jul 23)
Posted: Wed Mar 09, 2022 4:33 pm
by Fred the Cat
Fermi bubbles may have a
twin sister born in the Milky Way's no-fly zone.
What
type of twin remains TBD.
![Neutral :|](./images/smilies/icon_neutral.gif)