quasars in English

noun
1
a massive and extremely remote celestial object, emitting exceptionally large amounts of energy, and typically having a starlike image in a telescope. It has been suggested that quasars contain massive black holes and may represent a stage in the evolution of some galaxies.
Astronomers believe that quasars are galaxies with very massive black holes in the center.

Use "quasars" in a sentence

Below are sample sentences containing the word "quasars" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "quasars", or refer to the context using the word "quasars" in the English Dictionary.

1. Active galaxies that emit shorter frequency, high-energy radiation include Seyfert galaxies, Quasars, and Blazars.

2. The Eddington limit is invoked to explain the observed luminosity of accreting black holes such as quasars.

3. Either way it is a unique object and will shed light on how galaxies and quasars form.

4. Quasars have red shifts ranging up to making them the most distant distinct sources so far detected.

5. Quasars are the furthest active galaxies, some of them being observed at distances 12 billion light years away.

6. Feb 22, 2021: Astrophysicists propose that all high-energy cosmic neutrinos are born by quasars (Nanowerk News) Scientists of the P

7. This effect was initially confirmed by observing the light of stars or distant quasars being deflected as it passes the Sun.

8. It is proposed that some, perhaps most, gamma-ray Bursters are at cosmological distances, like quasars, with a redshift of about 1 or 2

9. Astronomers working on the EU-funded MINE BOSS (Mining for metals in a massive spectroscopic survey of the intergalactic medium) project employed quasars to measure baryon acoustic oscillations (BAOs).

10. The oldest quasars (z > 4) display a Gunn-Peterson trough and clearly have absorption regions in front of them indicating that the intergalactic medium at that time was neutral gas.

11. The Chandra X-ray image (in blue) shows hot gas in the galaxy and point sources that are a mixture of objects within the Sombrero as well as quasars in the background.

12. Applying the simulation pipeline to the Hyper Suprime-Cam (HSC) transient survey, an ongoing Cadenced survey, we generated HSC-like difference images of the mock lensed quasars from the lens catalog of Oguri & Marshall (2010, MNRAS, 405, 2579)

13. This proposition requires a release of supernova-like energy of about 10 to the 51st ergs within less than 1 s, making gamma-ray Bursters the brightest objects known in the universe, many orders of magnitude brighter than any quasars.

14. What is Astrophysics?Lehigh’s undergraduate major in Astrophysics is designed for students who wish to go on to graduate studies in the subject, with the goal of becoming professional astronomers.Astrophysicists apply physics and mathematics to the study of planets, stars, galaxies, pulsars, black holes, quasars and the universe, among many other fascinating objects, in order to …

15. ‘His interests range from Astrophysics and quantum mechanics to mathematical puzzles and games.’ ‘A team of astronomers might have solved one of the mysteries of Astrophysics with the discovery of a clutch of quasars, hiding behind clouds of dust.’ ‘The South Building, built from 1891 to 1899, was an Astrophysics observatory.’