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Sun, Solar Storms and Heliophysics
Sun, Solar Storms and Heliophysics in Space Science: the news, the names and what changed.
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People think Earth dies when the Sun becomes a red giant in five billion years — the more likely end is a billion years from now, when a star already 30 percent brighter than at birth pushes CO₂ too low for C3 plants, then a moist greenhouse strips the oceans of hydrogen and leaves a sterile Venus
2+ hour, 32+ min ago (431+ words) The popular ending is fire. The actual ending is a slow loss of air that plants can breathe, then of water that can come back....
Trivandrum Observatory records shed new light on Carrington Event of 1859
6+ hour, 3+ min ago (363+ words) Updated - September 20, 2026 05:02 pm IST - THIRUVANANTHAPURAM A study based on historical magnetic observations from the Trivandrum Observatory has provided new insights into the Carrington Event of 1859, one of the most powerful geomagnetic storms ever recorded. The findings by Kerala University faculty…...
New details about a major solar storm rewrite space weather history
1+ day, 3+ hour ago (935+ words) A 175-year-old mistake about a major solar storm has been uncovered, changing the timeline of space weather’s earliest impacts on technology. A train getting ready to leave a station in southwest England once sat idling. Its telegraph signal had gone…...
Earth could lose its oxygen a billion years sooner than expected
1+ day, 21+ hour ago (240+ words) Earth will not have an oxygen-rich atmosphere forever—scientists have used computer models to determine when this could change. The study also revealed which scenario is most likely to lead to the collapse of our planet's biosphere, according to a…...
Magnetic storms on September 16–17: Geomagnetic activity forecast and K-index level
4+ day, 5+ hour ago (337+ words) On Wednesday, September 16, Earth is experiencing increased geomagnetic activity. According to current forecasts, periods of G1 — the lowest category of geomagnetic storms on the NOAA scale — may occur throughout the day. At the same time, activity may remain elevated over the…...
A chunk of the Sun erupted into space and could spark geomagnetic storms on Earth
2+ day, 17+ hour ago (183+ words) On Monday, a large cloud of solar material, which scientists are calling a “chunk of the Sun”, blasted into space and is expected to hit Earth today. This was triggered by a violent filament eruption near the active region AR45238. The…...
Stars that Brushed Past the Solar System [12:44]
2+ day, 37+ min ago (60+ words) 0:00 Proximity of Stars 1:28 110 AU Range 5:00 HD 7977's Oort Cloud Disruption 10:08 Scholz's Star Stars that Brushed Past the Solar System | 12:44 Territory | 122K subscribers | 408,226 views | August 8, 2026 Or by mail to: Free Republic, LLC - PO Box 9771 - Fresno, CA 93794 Thank you very much and God…...
Scientists Reveal When Earth Could Lose Its Oxygen-Rich Atmosphere, And It’s Sooner Than Expected
1+ day, 21+ hour ago (218+ words) A new model published in Nature Geoscience reveals when Earth could lose its oxygen-rich atmosphere. A new scientific model suggests that Earth’s oxygen-rich atmosphere may last for around 1 billion more years before a dramatic transformation removes the conditions that support…...
To Understand The Solar Cycle, Notice How The Sun Sleeps
2+ day, 2+ hour ago (126+ words) Astronomer Sandra Chapman has found a connection between the quiet period of one solar cycle and the active period of the next. Her data shows how a critical cutoff point is the key, but the real test will be the…...
This is how the sun will die
2+ day, 6+ hour ago (556+ words) The life and death of the sun Our sun is on a long, strange trip to its eventual demise. Here are the key stops along the way The sun seems unchanging—a constant source of light and warmth for Earth…...