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CosmosUp | November 23, 2019

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Star Archives - Page 3 of 5 -

Massive Population Of Stars is Missing, Scientists are Confused !

November 27, 2014 |

Thanks to the NASA/ESA Hubble Space Telescope, some of the most mysterious cosmic residents have just become even more puzzling. New observations from the Hubble Space Telescope challenge a previous theory for the apparent disappearance of a massive number of stars. Read More

Half of Universe’s Stars are Orphans, Study Finds

November 9, 2014 |

You’ve heard of rogue planets, floating through the universe untethered to any solar system. Now meet rogue stars, which drift through space with no galaxy to call home. Read More

The Most Extreme Stars in the Known Universe

September 27, 2014 |

The universe is full of stars, and they’re not all the same. In fact, there’s an incredible variety. Here’s a sampler of the most extreme stars in the known universe. Read More

How Do We Measure The Distance of Stars?

September 10, 2014 |

It turns out that measuring the distance to a star is an interesting problem! Astronomers have come up with two different techniques to estimate how far away any given star is. Read More

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Top 5 Captivating Stars in the Universe

July 31, 2014 |

Some stars capture our imagination because they are the best candidates for planets teeming with life. Others might help us understand the origin of our own solar system, while still others stand out because they host planets that are just plain bizarre. Read More

Astronomers Spotted the Most Distant Stars in the Milky Way

July 19, 2014 |

A team of astronomers led by John Bochanski has found the farthest stars in our galaxy in the mysterious Milky Way halo, a rare discovery that may change our understanding of the formation of our galactic home. Read More

Top 5 Largest Stars In The Universe

July 13, 2014 | 4

Even though we see stars every day, twinkling in the night sky, they never fail to fascinate scientists and ordinary observers alike. Here are the 5 largest stars in the universe in terms of mass, size, and luminosity. Read More

5 Inexplicable Stellar Mysteries

June 2, 2014 |

There’s no doubt that we’ve figured out a lot about the cosmos, especially in the last century. But from black holes to pulsars, everything we find seems to bring just as many questions as answers. Astronomers don’t yet have all the answers, and every day heralds the arrival of a new discovery and a new cosmic mystery. Read More

Top 5 Fascinating and Bizarre Stars

May 30, 2014 | 1

As far as stars go, ours is fairly ordinary and straightforward: a giant ball of absurdly hot gas that showed up a few billion years ago and has about a few billion left. But our sun is just one of at least 70 sextillion stars in the universe; with a number that huge, there are bound to be many far more interesting and bizarre than our own. Read More

Astronomers have Caught a Star Eating a Planet

May 21, 2014 |

Astronomers have found that some sun-like stars have the ability to consume Earth-like planets. During their developmental stages, these sun-like stars swallow large amounts of rocky material, from which small, rocky planets such as Earth, Venus and Mars are formed. Read More

SM0313: Most Iron-Poor Star Found

May 18, 2014 |

The first stars in the universe formed from primordial hydrogen, helium, and a smattering of lithium. These materials were created in the cosmos’ first few minutes, whereas the stars formed hundreds of millions of years later. Those suns, which were likely 100 to 200 solar masses, fused heavier elements, called metals, in their cores. Read More

The Universe Never Stop to Surprising Us: Pulsar Lives in Triple System

May 12, 2014 |

Scientists have discovered a rapidly spinning neutron star with an unconventional living arrangement. This pulsar cohabitates with two white dwarfs, and the three are smashed together in a space smaller than Earth’s orbit around the Sun. The system is gravitationally extreme, with the three members all tugging on one another. Read More

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