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CosmosUp | September 18, 2019

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Celestial Object Archives - Page 5 of 13 -

Astronomers Solve 20-Year-Old Mystery Behind Brightest Objects in the Universe

September 16, 2014 |

Quasars are supermassive black holes located at the center of distant, massive galaxies. They are the brightest objects in the universe, and display a mysterious diversity in their appearance that has puzzled astronomers for over 20 years. Read More

Newfound Asteroid will Come 10x Closer to Our Planet Than the Moon On Sunday

September 6, 2014 |

Earth is about to have a close encounter with a house-sized asteroid on Sunday (Sept. 7), when a space rock discovered just days ago will zoom by our planet at a range closer than some satellites. Read More

What is a Comet Made Of? (Infograph)

September 6, 2014 |

What are comets made of? Good question! Comet nuclei are loose collections of ice, dust and small rocky particles, ranging from a few kilometers to tens of kilometers across. Read More

Tiny Mercury Had Huge Volcanic Eruptions Lasted Billions of Years

September 1, 2014 |

Mercury is the last of the classical planets, the planets known to the astronomers of Egypt and Greece and Rome and the Far East. It’s an object that has captivated the imagination and the attention of astronomers for millennia. Read More

Rosetta Satellite Reveal Images of the Weirdest-Looking Comet

July 30, 2014 |

A comet has a lot to hide. To most people, it’s among the most glamorous objects in the solar system—brilliantly illuminated, racing through space with its glowing tail streaming far behind it. Read More

Astronomers Discover Exoplanet Kepler-421b with Longest Known Year

July 23, 2014 |

A year on the newly discovered Uranus-sized exoplanet Kepler-421b lasts for 704.2 days, making it the longest orbital period exoplanet yet found. Its parent star, Kepler-421, is a G9/K0 dwarf star located in the constellation Lyra, about 1,000 light-years from Earth. Read More

Top 4 Coolest & Biggest Black Holes

July 21, 2014 |

Black holes are some of the most amazing cosmological structures in the universe. We are drawn to them. Perhaps this is because they stand as a kind of sublime horror; they are super massive objects that consume entire worlds. Read More

Is the Search for Exoplanets is Futile? Gliese 581g a Big Disappointment

July 20, 2014 |

Since the first planet outside of our solar system was discovered in 1994, astronomers have been hunting for an elusive target: a rocky planet roughly the size of the Earth that orbits its star at a distance that would allow liquid water to persist on its surface. In 2010, exoplanet hunters announced that they’d potentially found just such a planet. 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

How Rocky Planet Formed? Asteroid Vesta could have the Answer

July 19, 2014 |

Vesta, which has a 500km diameter and is located between Mars and Jupiter, is one of the largest known planet embryos and it came into existence at the same time as the Solar System. Read More

Super Moon Photos from Around the World, July 2014

July 15, 2014 |

You may have noticed the moon looked bigger and brighter than usual this weekend. When the moon is full while its orbit is closest to Earth it’s known as a “supermoon,” creating an illusion of a dramatically large luminous sphere when viewed close to the horizon. This is what occurred over the weekend when the moon was at its fullest and still appeared brighter than normal. Read More

10 Incredible Deep-Space Photos

July 13, 2014 |

These photos are out of this world! Check out stellar images taken on NASA missions in outer space. Here is the first list (10 photos, credit http://apod.nasa.gov -click the image to zoom) Read More

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