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G299.2-2.9. G299.2-2.9 is a supernova remnant in the Milky Way, 16,000 light years from Earth. [1] It is the remains of a Type Ia supernova. [2] The observed radius of the remnant shell translates to approximately 4,500 years of expansion, [3] making it one of the oldest observed Type Ia supernova remnants. [4]
Record of President Ho Chi Minh reading the declaration of Vietnam. National Day (Vietnamese: Ngày Quốc Khánh) is a national holiday in Vietnam observed on 2 September, commemorating President Hồ Chí Minh reading the Declarations of independence of Vietnam at Ba Đình Square in Hanoi on 2 September 1945. It is the country's National Day.
The ABC News presidential debate will take place on Sept. 10 at 9 p.m. EDT and air on ABC and stream on ABC News Live, Disney+ and Hulu. MORE: ABC News releases rules for Sept. 10 debate between ...
Formally, the wavelength version of Wien's displacement law states that the spectral radiance of black-body radiation per unit wavelength, peaks at the wavelength given by: where T is the absolute temperature and b is a constant of proportionality called Wien's displacement constant, equal to 2.897 771 955... × 10−3 m⋅K, [1][2] or b ≈ ...
Vienna. Vienna (/ viˈɛnə / ⓘ vee-EN-ə; [9][10] German: Wien [viːn] ⓘ; Austro-Bavarian: Wean [veɐ̯n]) is the capital, most populous city, and one of nine federal states of Austria. It is Austria's primate city, with just over two million inhabitants. [11][12] Its larger metropolitan area has a population of nearly 2.9 million, [13 ...
Linux kernel version history. This article documents the version history of the Linux kernel. Each major version – identified by the first two numbers of a release version – is designated one of the following levels of support: Supported till next stable version. Long-term support (LTS); maintained for a few years [1] Super-long-term ...
Propellant. LOX / RP-1. [edit on Wikidata] Falcon 9 is a partially reusable, human-rated, two-stage-to-orbit, medium-lift launch vehicle designed and manufactured in the United States by SpaceX. The first Falcon 9 launch was on 4 June 2010, and the first commercial resupply mission to the International Space Station (ISS) launched on 8 October ...
Arabic name. Personal. (Ism) Burkan 2-H. H-بركان ٢. The Burkan-2H (Arabic H-بركان ٢), or Volcano-2H[5] (also spelled as Borkan H2 and Burqan 2H[6]) is a mobile short-range ballistic missile used by the Houthis militants in Yemen. The Volcano H-2 was first launched in July 2017. [7] It is related to the Scud missile family.