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  2. Messier 2 - Wikipedia

    en.wikipedia.org/wiki/Messier_2

    This .64 day value, coupled with a metallicity of −1.65, provides evidence that M2 follows the Oosterhoff Gap phenomena. This is an observed gap in the grouping of type I and type II clusters in the Milky Way on a metallicity vs average RRab pulsation period plot. [17] M2 is a bit of an anomaly in reference to Oosterhoff type.

  3. Gyulbudaghian's Nebula - Wikipedia

    en.wikipedia.org/wiki/Gyulbudaghian's_Nebula

    Gyulbudaghian's Nebula (gyool-boo-DAH-ghee-an) is a reflection nebula in the northern constellation Cepheus, located about 1.5 degrees west of the much brighter reflection nebula NGC 7023. The light illuminating it comes from the T Tauri star PV Cephei .

  4. List of largest nebulae - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_nebulae

    The Ring Nebula is located in the lower right of the image Gum Nebula: 809–950 ly (248–291 pc) [16] [17] Emission nebula: Extends about 36° of the sky Bubble Nebula (NGC 6822) 758 ly (232 pc) [18] [19] [20] H II region: The Bubble Nebula is located in the upper left of the image NGC 6188: 600 ly (180 pc) [21] Emission nebula: NGC 592

  5. Messier 7 - Wikipedia

    en.wikipedia.org/wiki/Messier_7

    Messier 7 or M7, also designated NGC 6475 and sometimes known as the Ptolemy Cluster, [4] is an open cluster of stars in the constellation of Scorpius.The cluster is easily detectable with the naked eye, close to the "stinger" of Scorpius.

  6. NGC 6826 - Wikipedia

    en.wikipedia.org/wiki/NGC_6826

    NGC 6826 (also known as Caldwell 15) is a planetary nebula located in the constellation Cygnus. It is commonly referred to as the "Blinking Planetary", although many other nebulae exhibit such "blinking". When viewed through a small telescope, the brightness of the central star overwhelms the eye when viewed directly, obscuring the surrounding ...

  7. Messier 30 - Wikipedia

    en.wikipedia.org/wiki/Messier_30

    It is longest observable (opposed to the Sun) in the first half of August. [b] [10] M30 is centered 27,100 light-years away from Earth with a roughly 2.5% margin of error, [4] and is about 93 light-years across. [11] The estimated age is roughly 12.9 billion years [8] and it forms a mass of about 160,000 times the mass of the Sun (M ☉). [6]

  8. These Are the Most Expensive Shoes Ever Sold at Auction

    www.aol.com/most-expensive-shoes-ever-sold...

    The set went on to sell for over $8 million at a Sotheby’s auction in early 2024, smashing records for the most expensive sneakers ever sold in history. 2. Michael Jordan’s 1998 NBA Finals ...

  9. NGC 7662 - Wikipedia

    en.wikipedia.org/wiki/NGC_7662

    Based on the expansion rate, the estimated age of the nebula is 3,080 years. [5] The central star of the planetary nebula is a subdwarf O star with a spectral type of sdO. [7] The best fit model for this star gives an effective temperature of 100 kK, with 5,250 times the luminosity of the Sun [5] and 60.5% of the Sun's mass. [6]