[ad_1] Image of the Blue Ring Nebula, composed of expanding (blue) hydrogen gas expanding from a central star, which is the remnant core of a stellar fusion. Shockwave filaments from the fusion event are displayed in red. Image: NASA / JPL-Caltech / NASA / JPL-Caltech / M. Seibert (Carnegie Institution …
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[ad_1] If a large asteroid hits Earth, it has the potential to release a huge amount of energy, … [+] leading to local or even global catastrophes. At about 450 meters long along its major axis, the asteroid Apophis could release about 50 times the energy of the Tunguska explosion …
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[ad_1] The Milky Way collided and merged with many other galaxies over the course of its long life, but reconstructing its history was a tall order. A new analysis of dense star clusters orbiting the Milky Way has now given us the story of the most complete galactic merger ever. …
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[ad_1] Credit:NASA Jet Propulsion Laboratory Many satellites perform very important and profitable tasks, but some may be deactivated with fuel still in the tank due to current methods of measuring the amount of fuel. More accurate fuel gauges could help ensure satellites stay operational longer and time in orbit is …
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[ad_1] Long ago and throughout the universe, a huge explosion of gamma rays released more energy in half a second than the sun will produce during its 10 billion years of life. After examining the incredibly bright burst with optical, X-ray, near-infrared and radio wavelengths, an astrophysics team led by …
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[ad_1] FP trend12 November 2020 10:00:47 Near-Earth asteroid Apophis rose to prominence after its discovery in 2004, as initial calculations of its orbit indicated there was a 2.7% chance it would collide with Earth during a close flyby in 2029. Although advanced calculations ruled out the impact scenario, it now …
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[ad_1] A new model shows how the brine on Jupiter’s moon Europa can migrate inside the frozen shell to form pockets of salt water that erupt to the surface when it freezes. The findings, important for the upcoming Europa Clipper mission, could explain cryo-volcanic eruptions through the frozen bodies of …
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