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Two giant holes in the Sun could create impactful space weather for Earth in early February. Recent NOAA satellite images show two coronal holes, areas on the surface of the Sun with cooler plasma ...
Like black holes, white holes have properties such as mass, charge, and angular momentum.They attract matter like any other mass, but objects falling towards a white hole would never actually reach the white hole's event horizon (though in the case of the maximally extended Schwarzschild solution, discussed below, the white hole event horizon in the past becomes a black hole event horizon in ...
In this near true color photograph, taken through a narrowband hydrogen-alpha filter, plages are visible as overexposed patches. A plage / p l eɪ dʒ / is a bright region in the Sun's chromosphere, typically found in and around active regions.
On July 11, NASA's Solar Dynamics Observatory captured a big hole on the surface of the sun. Tom Yulsman who writes for Discover's ImaGeo blog notes that there is no reason for people to be concerned.
Size comparison of the event horizons of the black holes of TON 618 and Phoenix A.The orbit of Neptune (white oval) is included for comparison. As a quasar, TON 618 is believed to be the active galactic nucleus at the center of a galaxy, the engine of which is a supermassive black hole feeding on intensely hot gas and matter in an accretion disc.
A photo recently released by NASA?s Solar Dynamics Observatory shows the sun with a bright glow except for a dark hole-like patch.
A coronal hole at the Sun's north pole observed in soft X-ray. Coronal hole size and population correspond with the solar cycle. As the Sun heads toward solar maximum, the coronal holes move closer and closer to the Sun's poles. [4] During solar maxima, the number of coronal holes decreases until the magnetic fields on the Sun reverse.
It also confirms that the black hole is truly huge, with a mass 6.5 billion times that of the Sun. As you might imagine, taking this picture was tricky -- it required worldwide collaboration that ...