Messier 73 (M73, also known as NGC 6994) is an asterism of four stars in the constellation Aquarius. It lies several arcminutes east of globular cluster...

probable candidates), measured in units of solar masses (M☉), approximately 2×1030 kilograms. A supermassive black hole (SMBH) is an extremely large black hole...

The Eyes Galaxies (NGC 4435-NGC 4438, also known as Arp 120) are a pair of galaxies about 52 million light-years away in the constellation Virgo. The pair...

order.[citation needed] The SI prefix for 1030 is Quetta- (Q), and for 10−30 (i.e., the reciprocal of 1030) quecto (q). These numbers are the largest...

This is a list of NGC objects 1001–2000 from the New General Catalogue (NGC). The astronomical catalogue is composed mainly of star clusters, nebulae...

The Butterfly Cluster (cataloged as Messier 6 or M6, and as NGC 6405) is an open cluster of stars in the southern constellation of Scorpius. Its name...

NGC 6388 is a globular cluster of stars located in the southern constellation of Scorpius. The cluster was discovered by Scottish astronomer James Dunlop...

NGC 6951 (also catalogued as NGC 6952) is a barred spiral galaxy located in the constellation Cepheus. It is located at a distance of about 75 million...

black holes up to 21 billion (2.1 × 1010) M☉ have been detected, such as NGC 4889.) Unlike stellar mass black holes, supermassive black holes have comparatively...

Factor (kg) Value Item 1030 2×1030 kg The Sun (one solar mass or M☉ = 1.989×1030 kg) 2.8×1030 kg Chandrasekhar limit (1.4 M☉) 1031 4×1031 kg Betelgeuse...

currently accepted value of the Chandrasekhar limit is about 1.4 M☉ (2.765×1030 kg). The limit was named after Subrahmanyan Chandrasekhar. White dwarfs resist...

languages.) Astronomy – Catalogues: There are 7,840 deep-sky objects in the NGC Catalogue from 1888. Lexicography: 8,674 unique words in the Hebrew Bible...

Yervant (1999). "Hubble Space Telescope Measurements of the Expansion of NGC 6543: Parallax Distance and Nebular Evolution". Astronomical Journal. 118...

hydrogen in the core; stars just above this limit have been located in the NGC 6397 cluster. The faintest red dwarfs in the cluster are absolute magnitude...

increasing mass. The unit of measurement is the solar mass, equivalent to 2.0×1030 kg. Stellar black hole List of most massive black holes Jayasinghe, T.; Stanek...

2022 Cosmic Cliffs of Carina Nebula (NGC 3324) (NIRCam) Carina Nebula (NGC 3324) (MIRI) Southern Ring Nebula (NGC 3132; Left: NIRCam; Right: MIRI) Webb's...

Figure 1: Tidal interaction between the barred spiral galaxy NGC 169 and a smaller companion...

Royal Society of London. Series A. Mathematical and Physical Sciences. 192 (1030): 425–445. Bibcode:1948RSPSA.192..425H. doi:10.1098/rspa.1948.0017. S2CID 121054928...

pp. 2086–2088. ISBN 978-0-486-23673-5. "The OBEY Survey – NGC 584". "Distance Results for NGC 0001". NASA/IPAC Extragalactic Database. Retrieved 2010-05-03...

debris around a white dwarf Cocoon of a new white dwarf in the centre of NGC 2440 Artist's impression of an evolving white dwarf and millisecond pulsar...

Astrobiology. 13 (12): 1103–24. Bibcode:2013AsBio..13.1103N. doi:10.1089/ast.2013.1030. PMC 3870916. PMID 24205812. Tara Djokic; et al. (May 2017). "Earliest signs...

observatories; first polarization measurement GW170817 12:41:04 2017-10-16 16; NGC 4993 33.0+0.0 −2.1 40±10 ≥ 0.04 1.186+0.001 −0.001 0.00+0.02 −0.01 NS 1.46+0...

among the densest known objects in the universe. New General Catalogue (NGC) night sky The appearance of the Earth's sky at nighttime, when the Sun is...

2016. In August 2017, a neutron star collision that occurred in the galaxy NGC 4993 produced the gravitational wave signal GW170817, which was observed...

Astrobiology. 13 (12): 1103–24. Bibcode:2013AsBio..13.1103N. doi:10.1089/ast.2013.1030. PMC 3870916. PMID 24205812. Eriksson, P.G.; Catuneanu, Octavian; Nelson...

classification of F9 IIIa. It is an X-ray source with a luminosity of (0.82±0.13)×1030 erg s−1 in the 0.3−10 keV band. The projected rotational velocity is 87.7±4...

evolved stars". Publications of the Astronomical Society of Japan. 75 (6): 1030–1071. arXiv:2308.05343. Bibcode:2023PASJ...75.1030T. doi:10.1093/pasj/psad056...

\sim 1\%} the density of air at sea level on Earth. Mass 3.0×1010 * 2.0×1030=6.0×1040 kg. Volume at radius 8.6×1013 m is 2.66×1042 m3. Walker, S. A.;...

hydrogen at its core. The star is emitting X-rays with a luminosity of 3.03×1030 erg s−1 in the 0.3–10 keV band. It has twice the mass of the Sun but, at...

AZ Cancri is a member of the Beehive Cluster, also known as Praesepe or NGC 2632. The spectral type of AZ Cnc is M6e, specifically M6.5Ve, and was catalogued...