NASA Space Alerts (@NASASpaceAlerts) / X

NASA Space Alerts

3,295 posts

NASA Space Alerts

@NASASpaceAlerts

@NASA official notifications on cosmic activity in near-Earth space including solar events, asteroids, comets, and meteors.

Washington, D.C.

Joined March 2009

NASA Space Alerts
@NASASpaceAlerts
Jun 7
It’s #SunDay! Here’s your space weather report for the week of May 29 - June 4: • 1 X-class flare • 6 M-class flares • 47 coronal mass ejections • 0 geomagnetic storms This video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s activity. This week’s main event
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NASA Space Alerts
@NASASpaceAlerts
Jun 3
Replying to @NASASpaceAlerts
To see how such space weather may affect Earth, check out @NWSSWPC, the U.S. government’s official source for space weather forecasts, watches, warnings, and alerts.
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NASA Space Alerts
@NASASpaceAlerts
Jun 3
Replying to @NASASpaceAlerts
Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth’s atmosphere to physically affect humans on the ground. However — when intense enough — they can disturb the atmosphere in the layer where GPS & communications signals travel.
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NASA Space Alerts
@NASASpaceAlerts
Jun 3
The Sun emitted a strong solar flare on June 3, peaking at 7:28 a.m. ET. NASA’s Solar Dynamics Observatory captured an image of the event, which was classified as X1.0. go.nasa.gov/4o5POFG
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NASA Space Alerts
@NASASpaceAlerts
Jun 2
#MeteorSighting: Eyewitnesses in Ohio and Michigan reported a bright meteor on Monday, June 1, at 10:41p.m. EDT. The data puts first detection of the fireball above the Ohio area near Lima. The meteor moved north-northwest at approximately 49,900 mph before disintegrating above
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NASA Space Alerts
@NASASpaceAlerts
Jun 1
UPDATE: @NASA can confirm a fireball over New England at 2:06 p.m. EDT on Saturday, May 30, 2026. The meteor was about 5 feet (1.6 meters) in diameter with a mass of 5.6 metric tons and entered Earth’s atmosphere at roughly 42,000 mph. The meteor traveled through the atmosphere
NASA Space Alerts
@NASASpaceAlerts
May 30
#MeteorSighting: Eyewitnesses in New England and @NOAA’s GOES-19 satellite reported a bright fireball on Saturday, May 30, at 2:06 p.m EDT accompanied by a loud noise. The meteor appears to have fragmented at an altitude of 40 miles over northeast MA and southeast NH. The energy
It’s Fireball Season! Answering Your Meteor Questions - NASA
From nasa.gov
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NASA Space Alerts
@NASASpaceAlerts
May 31
It’s #SunDay! Here’s your space weather report for the week of May 22 - 28: • 1 M-class flare • 0 C-class flares • 46 coronal mass ejections • 0 geomagnetic storms This video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s activity. Most of the action this
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NASA Space Alerts
@NASASpaceAlerts
May 30
#MeteorSighting: Eyewitnesses in New England and @NOAA’s GOES-19 satellite reported a bright fireball on Saturday, May 30, at 2:06 p.m EDT accompanied by a loud noise. The meteor appears to have fragmented at an altitude of 40 miles over northeast MA and southeast NH. The energy
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NASA Space Alerts
@NASASpaceAlerts
May 24
It’s #SunDay! Here’s your space weather report for the week of May 15 - 21: • 4 M-class flares • 3 C-class flares • 35 coronal mass ejections • 1 geomagnetic storm This video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s activity. It was a fairly calm
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NASA Space Alerts
@NASASpaceAlerts
May 17
It’s #SunDay! Here’s your space weather report for the week of May 8 - 14: •1 M-class flare •1 C-class flare •31 coronal mass ejections •0 geomagnetic storms This video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s activity. The active region we spotted
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NASA Space Alerts
@NASASpaceAlerts
May 10
It’s #SunDay! Here’s your space weather report for the week of May 1 - 7: •2 M-class flares •2 C-class flares •29 coronal mass ejections •1 geomagnetic storm This video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s activity. It has been a relatively quiet
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NASA Space Alerts
@NASASpaceAlerts
May 3
It’s #SunDay! Here’s your space weather report for the week of April 24 - 30: • 2 X-class flares • 14 M-class flares • 18 coronal mass ejections • 0 geomagnetic storms This video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s solar activity. Two X-class
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NASA Space Alerts
@NASASpaceAlerts
Apr 29
#MeteorSighting: Eyewitnesses in Oregon and Washington and the Canadian province of British Columbia reported a bright fireball on Wednesday, April 29, at 12:12 a.m. PDT. The meteor was first visible over Oktwanch Peak on Vancouver Island. It moved southwest at 66,000 mph before
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