Sun

Here’s The View From Sweden During The Recent Solar Storm

Vivid green and purple aurora swirled and danced across the entire night sky in Sweden recently. The nighttime light show was captured by an all-sky camera in Kiruna, Sweden, which is part of the European Space Agency’s (ESA) Space Weather Service...
Related topics: Solar Storms, Aurora, European Space Agency

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Lucy’s Solar Panel Hasn’t Latched—a Problem For A Mission Powered By The Sun

Enlarge / One of the Lucy spacecraft's solar arrays, with a human for scale. (credit: NASA) NASA's Lucy spacecraft launched safely into space early on Saturday morning from Florida, but after the deployment of its two large solar arrays,...
Related topics: Space, Spacecrafts, NASA

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The Orbital Flatness Of Planetary Systems

The planets of the solar system all orbit the Sun more-or-less in a plane. Compared to the Earth's orbit, which defines the plane at zero degrees, the orbit with the largest angle is Mercury's whose inclination is 7 degrees (the angle of the orbit...
Related topics: Space

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Exploring The Mysterious Origins Of The Most Extreme Light Flashes In The Universe

Our universe shines bright with light across the electromagnetic spectrum. While most of this light comes from stars like our sun in galaxies like our own, we are often treated with brief and bright flashes that outshine entire galaxies themselves....
Related topics: Galaxies, Space

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How The Sun Affects Asteroids In Our Neighborhood

Asteroids embody the story of our solar system's beginning. Jupiter's Trojan asteroids, which orbit the Sun on the same path as the gas giant, are no exception. The Trojans are thought to be left over from the objects that eventually formed our...
Related topics: Asteroids, Space, Jupiter

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This’ll Be Us… In 5 Billion Years

Scientists have long known the fate of our solar system – and likely the fate of Earth itself.   In a few billion years, the Sun will run out of fusion fuel and expand to a “red giant” phase, likely swallowing everything in the solar...
Related topics: Space

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Sunrise — 7:15, 7:11.

I arrived on the scene at 7:11 and waited for what I called "the dot":There it is, our dot, our orb — the star of the show, the whole show, life on Earth. That's not me admiring the sun. I was taking that photograph. But 4 minutes...

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Jupiter-like Planet Orbiting Dead Star Offers Glimpse Into Future Of Our Solar System

The first discovery of a planet orbiting a dead star, a celestial grouping said to resemble our own Solar System, offers clues that our planet could survive the Sun's violent death about five billion years from now.
Related topics: Jupiter, Space, Scientific Discoveries

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The Biggest Comet Ever Seen Will Get As Close As Saturn In 2031

A mega-comet—potentially the largest ever discovered—is heading from the Oort Cloud towards our direction. Estimated to be 100–200 kilometers across, the unusual celestial wanderer will make its closest approach to the Sun in 2031. However,...
Related topics: Comets, Space, Saturn, Scientific Discoveries

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Scientists Find Evidence The Early Solar System Harbored A Gap Between Its Inner And Outer Regions

In the early solar system, a "protoplanetary disk" of dust and gas rotated around the sun and eventually coalesced into the planets we know today.
Related topics: Space

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Space Boffins: Exoplanet Survived Hydrogen-death Of Its Host Star

Hope extended to gas giants across the universe... well, it is Friday Those of us fatalistically counting down the minutes until the Earth is engulfed by the dying embers of the Sun in approximately 5 billion years might be offered a glimmer of hope...
Related topics: Exoplanets, Hydrogen

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The Biggest Comet Ever Seen Will Get As Close As Saturn In 2031

A mega-comet – potentially the largest ever discovered – is heading from the Oort Cloud towards our direction. Estimated to be 100–200 kilometers across, the unusual celestial wanderer will make its closest approach to the Sun in 2031....
Related topics: Comets, Space, Saturn, Scientific Discoveries

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How The Sun's Magnetic Forces Arrange Gas Particles

Solar prominences hover above the visible solar disk like giant clouds, held there by a supporting framework of magnetic forces, originating from layers deep within the Sun.

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Planet Orbiting A Dead Star Previews Our Own Solar System's Fate

Scientists have spotted a Jupiter-like exoplanet orbiting a dead star that was once like our Sun, The New York Times has reported. According to a paper in the journal Nature, the white dwarf star and planet around 6,500 light years away provides a...
Related topics: Space, Jupiter, Exoplanets

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How The Sun's Magnetic Forces Arrange Gas Particles

Solar prominences hover above the visible solar disk like giant clouds, held there by a supporting framework of magnetic forces, originating from layers deep within the Sun. The magnetic lines of force are moved by ever-present gas currents—and...

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Orion Sun – “concrete” (prod. Rostam)

Orion Sun, aka Philly’s Tiffany Majette, released her debut album Hold Space For Me last year, and its single “Lightning” caught my ear. Today she’s back with “Concrete,” a new single produced by Rostam. Warmly...

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To Watch A Comet Form, A Spacecraft Could Tag Along For A Journey Toward The Sun

Deep in the solar system, between Jupiter and Neptune, lurk thousands of small chunks of ice and rock. Occasionally, one of them will bump into Jupiter's orbit, get caught and flung into the inner solar system—towards the sun, and us.
Related topics: Comets, Space, Spacecrafts, Jupiter, Neptune

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Large Effect Of Solar Activity On Earth's Energy Budget

This is the result of a new study by researchers from DTU Space at the Technical University of Denmark (DTU) and of The Hebrew University of Jerusalem, who have traced the consequences of eruptions on the Sun on clouds and Earth's energy balance.
Related topics: Solar Power

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G344.7-0.1: When A Stable Star Explodes

White dwarfs are among the most stable of stars. Left on their own, these stars that have exhausted most of their nuclear fuel—while still typically as massive as the Sun—and shrunk to a relatively small size can last for billions or even...

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Stellar Fossils In Meteorites Point To Distant Stars

Some pristine meteorites contain a record of the original building blocks of the solar system, including grains that formed in ancient stars that died before the sun formed. One of the biggest challenges in studying these presolar grains is to...
Related topics: Fossils, Paleontology, Meteorites, Space

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