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TON 618 (abbreviation of Tonantzintla 618) is a hyperluminous, broad-absorption-line, radio-loud quasar, and Lyman-alpha blob [2] located near the border of the constellations Canes Venatici and Coma Berenices, with the projected comoving distance of approximately 18.2 billion light-years from Earth.
Ton 618: 1.3 × 10 41 kg: 1.9 × 10 14 ... to yield an expression that gives the largest possible radius from an input density that doesn't form a black hole ...
PG 0844+349 has an active galactic nucleus.It is classified a Seyfert type 1.0 galaxy, [6] containing two sets of emission lines superimposed onto each other. One set of lines is a low-density (electron density n e 10 3-10 6 cm −3) ionized gas that has widths which corresponds to velocities of several hundred kilometers per second.
The US Navy said the two pilots involved in the military plane crash near San Diego are in 'good condition' and under 24-hour medical observation.
President Donald Trump toured a Boeing plane on Saturday to highlight delays in delivering new Air Force One aircraft, said the White House. The president negotiated with Boeing for a pair of new ...
Animation of a Lyman-alpha blob. The giant Lyman-alpha blob LAB-1 (left) and an artist's impression of what it might look like if viewed from relatively close (right).. In astronomy, a Lyman-alpha blob (LAB) is a huge concentration of a gas emitting the Lyman-alpha emission line.
The 618 area code dates to 1947. A new 730 area code overlaying the current 618 area code will be introduced in southern Illinois next year, the Illinois Commerce Commission announced Wednesday.
QSO J0313−1806 [2] was the most distant, and hence also the oldest known quasar at z = 7.64, at the time of its discovery. [1] In January 2021, it was identified as the most redshifted (highest z) known quasar, with the oldest known supermassive black hole (SMBH) at (1.6 ± 0.4) × 10 9 solar masses.