grobi

Mastodon @grobi@defcon.social

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Followers

214

Account age

1 yrs

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🕵️ Fake follower check 📊 Engagement rate 💰 What they charge

Known for

2026 July 28
Barnards Loop over Twin Volcanoes
* Image Credit & Copyright: Gonzalo Laserna Vargas
https://www.instagram.com/gonlaserna_audiovisual
Explanation:
What's connecting these two volcanoes? In ancient folklore, the two volcanoes, Parinacota (left) and Pomerape (right), are connected by representing a mythical prince and princess who engaged in a forbidden romance. Beneath the ground, th

36 views 2026 July 28 Barnards Loop over Twin Volcanoes * Image Credit & Copyright: Gonzalo Laserna Vargas https://www.instagram.com/gonlaserna_audiovisual Explanation: What's connecting these two volcanoes? In ancient folklore, the two volcanoes, Parinacota (left) and Pomerape (right), are connected by representing a mythical prince and princess who engaged in a forbidden romance. Beneath the ground, th

.. annotated version of previous posted image
https://apod.nasa.gov/apod/ap260728.html
#space #astronomy #science #astrophotography #photography #nature #star #NASA #apod

20 views .. annotated version of previous posted image https://apod.nasa.gov/apod/ap260728.html #space #astronomy #science #astrophotography #photography #nature #star #NASA #apod

2026 July 22
The Corona Australis Molecular Cloud and the Chandelier Cluster
* Image Credit: DES/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA
* Image Processing: T.A. Rector (UAA/NOIRLab), R. Colombari & M. Zamani (NOIRLab)
* Text: Keighley Rockcliffe (NASA GSFC, UMBC CSST, CRESST II)
https://kerockcliffe.com/
Explanation:
The Southern Crown (Corona Australis) dazzles with young and ancient celestial

19 views 2026 July 22 The Corona Australis Molecular Cloud and the Chandelier Cluster * Image Credit: DES/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA * Image Processing: T.A. Rector (UAA/NOIRLab), R. Colombari & M. Zamani (NOIRLab) * Text: Keighley Rockcliffe (NASA GSFC, UMBC CSST, CRESST II) https://kerockcliffe.com/ Explanation: The Southern Crown (Corona Australis) dazzles with young and ancient celestial

2026 July 12
Galaxy NGC 474: Shells and Star Streams
* Image Credit & License: CFHT, Coelum, MegaCam, J.-C. Cuillandre (CFHT) & G. A. Anselmi (Coelum)
http://www.cfht.hawaii.edu/
http://www.coelum.com/
http://www.cfht.hawaii.edu/Instruments/Imaging/Megacam/
http://www.cfht.hawaii.edu/~jcc/
http://www.cfht.hawaii.edu/
Explanation:
What's happening to galaxy NGC 474? The multiple layers of emissio

15 views 2026 July 12 Galaxy NGC 474: Shells and Star Streams * Image Credit & License: CFHT, Coelum, MegaCam, J.-C. Cuillandre (CFHT) & G. A. Anselmi (Coelum) http://www.cfht.hawaii.edu/ http://www.coelum.com/ http://www.cfht.hawaii.edu/Instruments/Imaging/Megacam/ http://www.cfht.hawaii.edu/~jcc/ http://www.cfht.hawaii.edu/ Explanation: What's happening to galaxy NGC 474? The multiple layers of emissio

📊 Post engagement

Avg engagement / post

5.6%

Engagement vs followers

Sep 2024

On Mastodon since

🔥 Top post: 2026 July 28 Barnards Loop over Twin Volcanoes * Image Credit & · 36 likes + reposts

📊 Activity & format

Posting cadence

4.9 / week

Posts several times a week.

Content mix

Mostly images

Recent: 0 text · 10 image · 2 video.

Follower / following

1×

Follows 213 back. A more reciprocal / networked account.

Recent posts

View on Mastodon ↗

🔥 Top post 2026 July 28 Barnards Loop over Twin Volcanoes * Image Credit & Copyright: Gonzalo Laserna Vargas https://www.instagram.com/gonlaserna_audiovisual Explanation: What's connecting these two volcanoes? In ancient folklore, the two volcanoes, Parinacota (left) and Pomerape (right)… ★ 36

2026 July 30 Red Sun through Wildfire Smoke * Image Credit & Copyright: Debra Ceravolo https://www.instagram.com/debraceravolo/ * Text: Cecilia Chirenti (NASA GSFC, UMCP, CRESST II) https://science.gsfc.nasa.gov/sci/bio/cecilia.chirenti … ★ 1

▶ 2026 July 29 Psyche Receives Gravity Assist from Mars * Video Credit: NASA/JPL-Caltech/ASU/True Story Films * Text: Keighley Rockcliffe (NASA GSFC, UMBC CSST, CRESST II) https://kerockcliffe.com/ Explanation: Solar System bodies make de… ★ 6

.. annotated version of previous posted image https://apod.nasa.gov/apod/ap260728.html #space #astronomy #science #astrophotography #photography #nature #star #NASA #apod ★ 20

2026 July 27 NGC 7635: The Bubble Nebula * Image Credit & Copyright: Paweł Piechnik https://app.astrobin.com/u/pawelp Explanation: What created this huge space bubble? Blown by the wind from a star, this tantalizing, head-like apparition… ★ 9

▶ 2026 July 26 Simulation TNG50: A Galaxy Cluster Forms * Video Credit: IllustrisTNG Project https://www.tng-project.org/people/ * Visualization: Dylan Nelson (Max Planck Institute for Astrophysics) et al. https://nelson.tng-project.org/ h… ★ 5

2026 July 25 Tranquility and Serenity * Image Credit & Copyright: Nyêrdson Ferreira Explanation: The seas of Tranquility and Serenity are calm today. They're calm most every day though, since they are actually lunar maria, basaltic lava … ★ 7

2026 July 24 RCW 86: Historical Supernova Remnant * Image Credit & Copyright: David Cowland https://www.astronomy.com/picture-of-the-day/photo/remnant-of-the-ancients/ Explanation: In 185 AD, Chinese astronomers recorded the appearance o… ★ 14

2026 July 23 The Large Magellanic Cloud * Image Credit & Copyright: Monica Mesa https://www.instagram.com/monimesita/ * Text: Cecilia Chirenti (NASA GSFC, UMCP, CRESST II) https://science.gsfc.nasa.gov/sci/bio/cecilia.chirenti Explanatio… ★ 6

.. annotated version of previous posted image (for explanation see ALT-Text) #space #nebula #astrophotography #photography #science #nature #NASA #apod ★ 7

2026 July 22 The Corona Australis Molecular Cloud and the Chandelier Cluster * Image Credit: DES/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA * Image Processing: T.A. Rector (UAA/NOIRLab), R. Colombari & M. Zamani (NOIRLab) * Text: Keighley Ro… ★ 19

2026 July 12 Galaxy NGC 474: Shells and Star Streams * Image Credit & License: CFHT, Coelum, MegaCam, J.-C. Cuillandre (CFHT) & G. A. Anselmi (Coelum) http://www.cfht.hawaii.edu/ http://www.coelum.com/ http://www.cfht.hawaii.edu/Instrumen… ★ 15

🐘 Community & instance

Home server

defcon.social

Their home server on the fediverse — the instance a creator picks signals the community they belong to.

On Mastodon since

Sep 2024

An established account with real history on the platform.

💡 Facts

🗓️Joined Mastodon in 2024 — 1 year ago.

👁️Averages 12 views per post.

📤Posts about 4.9× per week.

🕵️ Fake follower check

Estimated

75/100

Good Credibility score

92%

Real Real audience

Low Fake-follower risk

High Data confidence

Est. 92% real, active audience · Low fake-follower risk.
Strong engagement (~5.6% of followers engage each post) — an active, real audience.

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

💚 Brand affinity

Estimated

Brands grobi's audience is most likely to respond to — from detected sponsorships in this niche.

Nebula

About

"I follow back" #nobot #noai #nosnobs #nobullies #zipbomb https://ascl.net/ "hack'em'back" "Dear visitors, stay cool, not all earthlings are shitheads .."