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Sun's X-flares Disrupt Radio Signals Across Earth

Sun's X-flares Disrupt Radio Signals Across Earth

The sun has recently emitted two powerful X-class solar flares within a span of seven hours, originating from the sunspot region AR4419 on the sun's western limb. The first flare peaked at 9:07 p.m. EDT on April 23, 2026, followed by the second at 4:14 a.m. EDT on April 24, 2026. These flares are the most intense observed in the past 78 days, according to solar physicist Ryan French. The radiation from these flares caused significant radio blackouts on the sunlit side of Earth, initially affecting the Pacific Ocean and Australia, and later impacting East Asia. The flares were accompanied by coronal mass ejections (CMEs), although their direct impact on Earth is uncertain due to the sunspot's position.

Sun's X-Flares Cause Radio Blackouts Across Earth

Sun's X-Flares Cause Radio Blackouts Across Earth

The sun has emitted two powerful X-class solar flares within a span of seven hours, originating from the sunspot region AR4419 on the sun's western limb. The first flare peaked at 9:07 p.m. EDT on April 23, followed by the second at 4:14 a.m. EDT on April 24. These flares are the strongest observed in the past 78 days, according to solar physicist Ryan French. The radiation bursts from these flares caused significant radio blackouts on the sunlit side of Earth, initially affecting parts of the Pacific Ocean and Australia, and later impacting East Asia. The sunspot region responsible for these flares is expected to rotate out of view soon, but not before showcasing a series of M-class flares and a rare 'sympathetic flare' event.

Comet PanSTARRS Approaches Earth, Offering Unique Viewing Opportunity

Comet PanSTARRS Approaches Earth, Offering Unique Viewing Opportunity

Comet PanSTARRS, officially known as Comet C/2025 R3, is set to make its closest approach to Earth on April 26, traveling approximately 45 million miles from the planet. Having recently survived its closest pass to the sun on April 19, the comet is now visible through the Large Angle and Spectrometric Coronagraph (LASCO) instrument on the Solar and Heliospheric Observatory spacecraft. This provides a unique opportunity to observe the comet's journey as it moves through the field of view of the sun-facing instrument. The comet is currently visible from the southern hemisphere and has a brightness magnitude of around +4.5, making it visible to the naked eye as a hazy patch of light.

Sun's Twin X-Flares Disrupt Radio Signals Globally

Sun's Twin X-Flares Disrupt Radio Signals Globally

The sun has unleashed two powerful X-class solar flares within a span of seven hours, causing significant radio signal disruptions on Earth. These eruptions originated from sunspot region AR4419 on the sun's western limb. The first flare peaked at 9:07 p.m. EDT on April 23, 2026, followed by the second at 4:14 a.m. EDT on April 24, 2026. These flares are the strongest observed in 78 days, according to solar physicist Ryan French. The intense bursts of radiation ionized the Earth's ionosphere, leading to radio blackouts on the sunlit side of the planet. The first blackout affected areas over the Pacific Ocean and Australia, while the second impacted East Asia. The sunspot region responsible for these flares is also associated with coronal mass ejections (CMEs), which could potentially lead to geomagnetic storms and aurora displays.

NASA Releases Unseen Artemis II Photos to Celebrate Earth Day

NASA Releases Unseen Artemis II Photos to Celebrate Earth Day

In celebration of Earth Day, NASA has unveiled a series of previously unseen photos taken by the Artemis II astronauts during their mission to the Moon. These images, captured on April 2, 2026, include a striking view of the terminator line between night and day on Earth. The release of these photos is reminiscent of the iconic 'Earthrise' image taken during the Apollo 8 mission in 1968, which played a role in the establishment of Earth Day. The Artemis II mission continues to capture the imagination of the public, highlighting the beauty and fragility of our planet.

NASA Plans September Launch for Nancy Grace Roman Space Telescope to Explore Dark Energy and Exoplanets

NASA Plans September Launch for Nancy Grace Roman Space Telescope to Explore Dark Energy and Exoplanets

NASA is preparing to launch the Nancy Grace Roman Space Telescope in early September, with a deadline no later than May 2027. This telescope, named after NASA's first chief astronomer, is designed to have a field of view 100 times larger than the Hubble Space Telescope. The Roman Telescope will be launched aboard a SpaceX Falcon Heavy rocket and will operate nearly 1 million miles from Earth. It is equipped with a 300.8-megapixel camera and a high-contrast coronagraph, enabling it to capture light from visible to near-infrared and study exoplanets. The mission aims to address key questions in dark energy, exoplanets, and astrophysics, potentially discovering new classes of cosmic objects.

Scientists trace latest interstellar comet's home to a cold, isolated corner of the Milky Way

Scientists trace latest interstellar comet's home to a cold, isolated corner of the Milky Way

A new study suggests that the comet that rambled past us from another star last year likely originated in a cold, isolated corner of the galaxy that had yet to gel into its own solar system

Q&A: Apollo astronaut Schmitt talks about getting back to the moon and life in the universe

Q&A: Apollo astronaut Schmitt talks about getting back to the moon and life in the universe

Apollo astronaut Harrison “Jack” Schmitt knows what the Artemis II crew was feeling when it rocketed into space earlier this month for a historic lunar flyby

On This Day: Hubble Space Telescope launched in 1990

On This Day: Hubble Space Telescope launched in 1990

The STS-31 mission marked a pivotal moment in space exploration, as it was responsible for deploying the Hubble Space Telescope into low Earth orbi...

JWST Finds Ice Clouds on Distant Gas Giant Epsilon Indi Ab

JWST Finds Ice Clouds on Distant Gas Giant Epsilon Indi Ab

Astronomers using the James Webb Space Telescope (JWST) have discovered water ice clouds on the gas giant Epsilon Indi Ab, challenging existing models of exoplanet atmospheres. The planet, similar to Jupiter, has a complex atmosphere that was studied using JWST's mid-infrared instrument MIRI. The planet orbits its star at a distance four times that of Jupiter from the Sun, with a surface temperature between -70 and +20 degrees Celsius. This discovery marks a significant step in the study of exoplanet atmospheres, providing insights into their composition and structure.

Lyrid Meteor Shower 2026 Captivates Skywatchers with Stunning Displays

Lyrid Meteor Shower 2026 Captivates Skywatchers with Stunning Displays

The Lyrid Meteor Shower of 2026 has provided a spectacular celestial show, captivating observers with its bright meteors and coinciding auroral displays. Photographers and astronomers have captured stunning images of meteors streaking across the sky, often set against the backdrop of green and blue auroras. Notably, NASA astronaut Jessica Meir photographed a Lyrid meteor from the International Space Station, showcasing the meteor's path above Earth's glowing horizon. The event has been widely documented, with long-exposure photography techniques highlighting the speed and intensity of the meteors as they flash across the night sky.

NASA's Nancy Grace Roman Space Telescope Set to Unveil New Cosmic Discoveries

NASA's Nancy Grace Roman Space Telescope Set to Unveil New Cosmic Discoveries

NASA is preparing to unveil its latest space observatory, the Nancy Grace Roman Space Telescope, during a media event on April 21, 2026. This telescope, named after NASA's first chief astronomer, is designed to explore the universe from nearly 1 million miles away from Earth. It will work in conjunction with other major observatories like the James Webb and Hubble Space Telescopes. The Roman Telescope is equipped with advanced instruments to study dark matter and dark energy, and it aims to reveal hundreds of millions of galaxies. The telescope will be launched aboard a SpaceX Falcon Heavy rocket from the Kennedy Space Center in Florida, with a potential launch window starting in fall 2026.