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RX J1131-1231. Combination image of quasar RX J1131 (four duplicate images of it appear along the ring in pink) taken via NASA’s Chandra X-ray Observatory and the Hubble Space Telescope. RX J1131-1231 is a distant, supermassive-black-hole -containing quasar located about 6 billion light years from Earth in the constellation Crater. [1] [2] In ...
Most massive planet with a mass of 30 M J, although according to most definitions of planet, it may be too massive to be a planet, and may be a brown dwarf instead. HIP 11915 b ~1 [77] This exoplanet is an analogue to Jupiter, having a similar radius, mass and temperature, and it is orbiting a star analogous to the Sun. Jupiter: 1
2MASS J21265040−8140293, also known as 2MASS J2126−8140, [3] is an exoplanet orbiting the red dwarf TYC 9486-927-1, 111.4 ± 0.3 [6] light-years away from Earth. Its estimated mass, age (10-45 million years), spectral type (L3), and T eff (1800 K) are similar to the well-studied planet β Pictoris b. [3]
Markov (telescopic asterisms) (for example: Markov 1 in Hercules) MAXI — Monitor of All-sky X-ray Image. Mayall — Nicholas Mayall (for example: globular star cluster Mayall II orbiting Messier 31, the Andromeda galaxy) Mayer (open star clusters) McC — McCormick Observatory Catalog. MCG — Morphological Catalogue of Galaxies.
X-ray astronomy. X-rays start at ~0.008 nm and extend across the electromagnetic spectrum to ~8 nm, over which the Earth's atmosphere is opaque. X-ray astronomy is an observational branch of astronomy which deals with the study of X-ray observation and detection from astronomical objects. X-radiation is absorbed by the Earth's atmosphere, so ...
First Person, the first Snap Original to ever use Spectacles by Snap Inc. to tell stories through the eyes of its subjects, follows 10 incredible innovators around the world at the frontline of ...
Abell 2744, nicknamed Pandora's Cluster, is a giant galaxy cluster resulting from the simultaneous pile-up of at least four separate, smaller galaxy clusters that took place over a span of 350 million years, and is located approximately 4 billion light years from Earth. [1] The galaxies in the cluster make up less than five percent of its mass. [1]
Cygnus X-1 — X-ray source; EBLM J0555-57Ab — is one of the smallest stars ever discovered. GY Andromedae — chemically peculiar variable star; MACS J1149 Lensed Star 1 (or Icarus) — second most distant star, 9 billion light years away. [1] [2] P Cygni — suddenly brightened in the 17th century; WNC4 — Messier Object 40