Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.
Jam packed issues filled with the latest cutting-edge research, technology and theories delivered in an entertaining and visually stunning way, aiming to educate and inspire readers of all agesA planetary system anchored by a dead white dwarf star, located around 4,000 light-years away, has offered astronomers a possible glimpse into what our sun and Earth could look like in around 8 billion years.
One element of the system, located near the central bulge of the Milky Way galaxy, sets it apart from the future solar system: another occupant with a mass around 17 times that of Jupiter, the solar system's most massive planet.
"The original analysis showed that the brown dwarf is either in a very wide orbit, like Neptune's, or well within Mercury's orbit ," Zhang said."Giant planets on very small orbits are actually quite common outside the solar system. But since we now know it is orbiting a stellar remnant, this is unlikely, as it would have been engulfed."
It does seem that, if the loss of the sun's grip on Earth during the red giant phase allows it to escape our star's swelling outer layers, this migration would also put it outside the habitable zone. The, or"Goldilocks zone," is defined as the region around a star with temperatures neither too hot nor too cold to allow a planet to hang onto liquid water, a
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