NASA Space Alerts ✓
@NASASpaceAlerts · Washington, D.C. · joined 09 Mar 2009
@NASA official notifications on cosmic activity in near-Earth space including solar events, asteroids, comets, and meteors.
1 190 316Followers
105Following
3 325Posts total
1.3MViews on collected posts
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It’s #SunDay! Here’s your space weather report for the week of Sept. 11 - Sept. 17:
• 0 M-class flares
• 0 C-class flares (only counted if associated with coronal mass ejections)
• 17 coronal mass ejections
• 0 geomagnetic storms
This video from NASA’s Solar Dynamics https://t.c
34.5K views · 654 likes
· 143 reposts · 38 replies
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3:06
#MeteorSighting: Eyewitnesses in Michigan and Canada spotted a bright fireball over Ontario at 8:47 p.m. ET last night, Sept. 13. The event was verified by several cameras belonging to the Southern Ontario Meteor Network and other publicly accessible cameras in the area. Analysis
14.9K views · 100 likes
· 15 reposts · 6 replies
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It’s #SunDay! Here’s your space weather report for the week of Sept. 4 - Sept. 10:
• 2 M-class flares
• 6 C-class flares
• 29 coronal mass ejections
• 0 geomagnetic storms
This video from NASA’s Solar Dynamics Observatory shows the week’s activity.
The Sun delivered a https:/
30.8K views · 690 likes
· 138 reposts · 22 replies
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3:06
#MeteorSighting: NASA meteor cameras and the Geostationary Lightning Mappers on the GOES 18 and 19 satellites detected a bright fireball that occurred over western Kentucky at 1:33 a.m. CT on Sept. 10. The object - a piece of a comet about 16 inches in diameter and weighing ~200
29.3K views · 445 likes
· 87 reposts · 23 replies
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@NASASpaceAlerts an active region is rotating toward Earth right now and NASA’s just casually mentioning it like it’s a weather forecast. which, I guess, it is
152 views · 4 likes
· 0 reposts · 0 replies
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@NASASpaceAlerts Spontaneous question: since this is a global event with an impact near Australia, why use EDT exclusively? It would make much more sense to use UTC as the primary time, with other time zones added in parentheses.
14.3K views · 67 likes
· 2 reposts · 5 replies
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It’s #SunDay! Here’s your space weather report for the week of Aug 28 - Sept 3
• 1 M-class flare
• 4 C-class flares
• 55 coronal mass ejections
• 0 geomagnetic storms
This video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s activity.
While this week’s https://
59.6K views · 801 likes
· 159 reposts · 20 replies
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3:06
The object was first reported to the Minor Planet Center by the Catalina Sky Survey, with earlier detections by Pan-STARRS, and the Center for Near-Earth Object Studies @NASAJPL calculated its trajectory and impact location - all funded by NASA's Planetary Defense Coordination
54.2K views · 450 likes
· 42 reposts · 10 replies
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A small natural object 1.5-5 feet (0.5-1.5m) is predicted to impact Earth’s atmosphere just northwest of Australia and safely disintegrate today, Sept. 6, 12:14 p.m. EDT. While not a hazard, scenarios like this provide an invaluable test of our planetary defense capabilities to
842.1K views · 8.2K likes
· 757 reposts · 141 replies
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#MeteorSighting: Eyewitnesses in Oregon and Washington reported a bright fireball seen the night of Aug. 30 at 8:32 p.m. PDT. The fireball was spotted at an altitude of 52 miles above the western slope of Mount St. Helens. Moving west at 48,000 mph, the object traveled some 80 ht
34.1K views · 241 likes
· 69 reposts · 8 replies
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It’s #SunDay! Here’s your space weather report for the week of Aug 21 - 27:
• 8 M-class flares
• 3 C-class flares
• 32 coronal mass ejections
• 0 geomagnetic storms
This video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s activity.
Active region AR14513 — http
21.3K views · 344 likes
· 82 reposts · 10 replies
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3:06
It’s #SunDay! Here’s your space weather report for the week of Aug 14 - 20:
• 4 M-class flares
• 3 C-class flares
• 22 coronal mass ejections
• 0 geomagnetic storms
This video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s activity.
All of this week’s https://t
31.8K views · 637 likes
· 139 reposts · 14 replies
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3:06
Face aux comptes de taille comparable
15 posts des 90 derniers jours, à côté de la tranche de 1M–10M abonnés. diffusé bien au-delà de son propre public, et ce public réagit.
Vues médianes30 779ce compte14 648médiane pour 1M–10M
Portée, %2.59%ce compte0.74%médiane pour 1M–10M
Engagement, %1.94%ce compte0.70%médiane pour 1M–10M
| Indicateur | Ce compte | Médiane pour 1M–10M | Rapport |
|---|---|---|---|
| Vues médianes par post | 30 779 | 14 648 | 2.10× |
| Portée (vues ÷ abonnés) | 2.59% | 0.74% | 3.49× |
| Taux d'engagement | 1.94% | 0.70% | 2.78× |
Autres comptes de cette tranche → Comparer avec un autre compte → Comment ces repères sont établis →
Growth & engagement
How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.
Views per post
21.3K30 Aug
34.1K31 Aug
93.4K4 Sep
842.1K6 Sep
54.2K
59.6K
14.3K
152
69
967 Sep
29.3K10 Sep
30.8K13 Sep
14.9K14 Sep
34.5K20 Sep
Last 14 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.
Engagement rate per post
2.07%30 Aug
0.94%31 Aug
0.04%4 Sep
1.09%6 Sep
0.93%
1.67%
0.52%
2.63%
2.90%
2.08%7 Sep
1.94%10 Sep
2.78%13 Sep
0.82%14 Sep
2.47%20 Sep
Reactions — likes, reposts, replies and quotes — divided by views. Median for 1M–10M accounts is 0.70%.
What the audience does
Likes80.4%12 621 in total
Reposts10.4%1 640 in total
Replies2.0%307 in total
Quotes1.3%200 in total
Bookmarks5.9%929 in total
Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.
The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.
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