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The Sun shrinks a teensy bit when it’s feeling active
How big is the Sun? Well, that depends on when you’re measuring.
What will Sun look like after it dies?
All stars die, and eventually — in about five billion years — our Sun will, too. Once its supply of hydrogen is exhausted, the final, dramatic stages of its life will unfold, as our host star expands to become a red giant and then tears its body to pieces to condense into a white dwarf.
Solar Dynamics Observatory serves up the Sun, three ways
How the Sun looks through the lens of a telescope depends on which frequency is being observed. NASA's Solar Dynamics Observatory is capable of imaging the Sun in a wide range of frequencies.
Scientists close to developing nuclear fusion star with same energy as Sun to power homes
The UK Atomic Energy Authority (UKAEA) is trying to secure a £1 billion contract to develop technology for use in the first nuclear fusion power plants.
Facts about Uranus
Uranus is the seventh planet from the Sun and the first to be discovered by scientists. Although Uranus is visible to the naked eye, it was long mistaken as a star because of the planet's dimness and slow orbit. The planet is also notable for its dramatic tilt, which causes its axis to point nearly directly at the Sun.
Will the Sun put the brakes on global warming?
The Sun is like a teenager that cycles through mood swings — from dramatic to chill and back again — roughly every eleven years.
Cassini, Voyager missions suggest new picture of Sun's interaction with galaxy
New data from NASA's Cassini mission, combined with measurements from the two Voyager spacecraft and NASA's Interstellar Boundary Explorer, or IBEX, suggests that our Sun and planets are surrounded by a giant, rounded system of magnetic field from the Sun — calling into question the alternate view of the solar magnetic fields trailing behind the Sun in the shape of a long comet tail.
Device pulls water from dry air, powered only by Sun
Imagine a future in which every home has an appliance that pulls all the water the household needs out of the air, even in dry or desert climates, using only the power of the Sun.
Ants use Sun and memories to navigate
Ants are even more impressive at navigating than we thought.
Sun-like star ate some of its planets
Scientists have discovered evidence that a distant star has consumed a few of its planets.
Black hole hidden within its own exhaust
Supermassive black holes, millions to billions of times the mass of our Sun, are found at the centers of galaxies. Many of these galactic behemoths are hidden within a thick doughnut-shape ring of dust and gas known as a torus. Previous observations suggest these cloaking, tire-like structures are formed from the native material found near the center of a galaxy.
Images from Sun's edge reveal origins of solar wind
Ever since the 1950s discovery of the solar wind — the constant flow of charged particles from the sun — there's been a stark disconnect between this outpouring and the sun itself.
Moon and Sun's gravity forces terrifying shift in San Andreas fault
Scientists have discovered that gravitational pull from the Moon and the Sun is tugging on the San Andreas fault line and contributing to earthquakes.
Does the Sun rotate?
That giant flaming star in the sky does rotate, but moves at a much slower pace than the Earth.
Can two huge 'black holes' on Sun put us in trouble?
We imagine the Sun as a giant burning furnace that brings sunlight to us but NASA's Solar Dynamics Observatory (SDO) has spotted two huge holes on its surface called 'coronal holes'.

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