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Today's Aquarids are the last strong meteor shower before a three-month hiatus
Today, on the night of May 5-6, the Earth will cross the trail of Halley's Comet. Countless small dust particles, as well as medium and large pebbles, scattered along the comet's orbit, will enter the Earth's atmosphere and create one of the brightest meteor showers of the year, called the Eta Aquarids.
Medium-level magnetic storms, accompanied by auroras, occurred on Earth
On the night of May 4-5, against the backdrop of the expected "green light" for the May holidays, quite significant magnetic storms began, peaking at around midnight and reaching G2 (moderate storm) level. Their source was a relatively weak event—a slow coronal plasma ejection (CPE), which had been recorded as early as April 30.
The formation of a second tail on a comet was captured from space
The LASCO telescope, which had comet C/2025 R3 in its field of view, managed to see the formation of a second tail on the comet's body in the last day before it left the field of view
Comet C/2025 R3 has passed the Sun and will be ejected from the solar system
An exceptionally beautiful spectacle could be observed over the last three days in images from the LASCO telescope: between the Earth and the Sun, almost exactly between them, at a distance of 75 million km from the Earth, the comet C/2025 R3 (PanSTARRS) leisurely passed.
Two X-ray flares occurred on the Sun in one day
The increase in solar activity, as predicted yesterday, has exceeded the threshold for major solar flares. Two major solar flares of magnitude X occurred on the Sun in just one day
The brightest comet in the sky has appeared in the field of view of the LASCO telescopes
The passage of the brightest comet in the sky, C/2025 R3 (PanSTARRS), near the Sun will be visible in images coming from space over the next three days. The comet has just entered the field of view of the LASCO solar coronagraph and will be visible until late Sunday.
The Sun experiences its first M-level flare after a two-week hiatus
Another spectacular, powerful explosion, observed on the left edge of the Sun, appeared in images from space telescopes around 8 a.m. Moscow time. Judging by simultaneous measurements of X-ray fluxes, the Sun experienced its first M-class flare in two weeks.
The magnetic storms are over
The magnetic storms have ended. The solar wind still has a moderately elevated velocity, but other parameters (temperature, density, magnetic field) have completely returned to normal.
There is noticeable activity on the Sun
A star that had been completely devoid of energy for the past two weeks has suddenly begun to revive somewhat. This morning, a fairly large double prominence was detected, occurring simultaneously at the Sun's north and south poles.
A G1 level magnetic storm has begun
As expected the day before, a magnetic storm has begun on Earth. The current level is G1: the minimum on a five-point scale. The total duration of the unstable geomagnetic period could be quite significant, from 5 to 7 days, but the acute phase is expected to last only the first 1-2 days and extend through the weekend.
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