detected
41Neutrino detector — The Sudbury Neutrino Observatory, a 12 meter sphere filled with heavy water surrounded by light detectors located 2000 meters below the ground in Sudbury, Ontario, Canada. A neutrino detector is a physics apparatus designed to study neutrinos.… …
42Confined placental mosaicism — (CPM) represents a discrepancy between the chromosomal makeup of the cells in the placenta and the cells in the baby. CPM was first described by Kalousek and Dill in 1983.[1] CPM is diagnosed when some trisomic cells are detected on chorionic… …
43comet — cometary /kom i ter ee/, cometic /keuh met ik/, cometical, adj. cometlike, adj. /kom it/, n. Astron. a celestial body moving about the sun, usually in a highly eccentric orbit, consisting of a central mass surrounded by an envelope of dust and… …
44Earth and Space Sciences — ▪ 1996 Introduction GEOLOGY AND GEOCHEMISTRY In 1995 significant developments took place in the realm of geologic mapping, which provides the foundation for the presentation and comparison of data in the Earth sciences. The most important… …
45Solar neutrino problem — The solar neutrino problem was a major discrepancy between measurements of the numbers of neutrinos flowing through the earth and theoretical models of the solar interior, lasting from the mid 1960s to about 2002. The discrepancy has since been… …
46Gamma ray burst — [ GRB 990123 taken on January 23, 1999. The burst is seen as a bright dot denoted by a square on the left, with an enlarged cutout on the right. The object above it with the finger like filaments is the originating galaxy. This galaxy seems to be …
47USS Halibut (SS-232) — USS Halibut (SS 232), a Gato class submarine, was the first ship of the United States Navy to be named for the halibut, a large species of flatfish found on both sides of the Atlantic. Her keel was laid down by the Portsmouth Naval Shipyard of… …
48List of stars with confirmed extrasolar planets — The following are lists of stars with confirmed extrasolar planets. Extrasolar planets were first confirmed to be orbiting pulsars PSR B1257+12 and PSR B1620 26. These discoveries were announced in 1992 and 1993 respectively. The first extrasolar …
49List of molecules in interstellar space — This is a list of molecules that have been detected in the interstellar medium, grouped by the number of component atoms. The chemical formula is listed for each detected compound, along with any ionized form that has also been… …
50Isotopes of nobelium — Nobelium (No) is an artificial element, and thus a standard atomic mass cannot be given. Like all artificial elements, it has no stable isotopes. The first isotope to be synthesized (and correctly identified) was 254No in 1966. There are 16 known …
