Magnetar
1012004 — MMIV redirects here. For the Modest Mouse album with these characters on its cover, see Baron von Bullshit Rides Again. This article is about the year 2004. 2004 : January · February · March · April · May ·… …
102Supernova remnant — Multiwavelength composite image of the remnant of Kepler s supernova, SN 1604 …
103X-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… …
104Brown dwarf — Brown dwarfs are sub stellar objects which are too low in mass to sustain hydrogen 1 fusion reactions in their cores, which is characteristic of stars on the main sequence. Brown dwarfs have fully convective surfaces and interiors, with no… …
105Proper motion — The proper motion of a star is its angular change in position over time as seen from the center of mass of the solar system.[1] It is measured in seconds of arc per year, arcsec/yr, where 3600 arcseconds equal one degree.[2] This contrasts with… …
106Binary star — For the hip hop group, see Binary Star (band). Hubble image of the …
107Chromosphere — The Sun observed through a telescope with an H alpha filter …
108Short (finance) — Schematic representation of short selling in two steps. The short seller borrows shares and immediately sells them. He then waits, hoping for the stock price to decrease, when the seller can profit by purchasing the shares to return to the lender …
109Semiregular variable star — Semiregular variable stars are giants or supergiants of intermediate and late spectral type showing considerable periodicity in their light changes, accompanied or sometimes interrupted by various irregularities. Periods lie in the range from 20… …
110Circumpolar star — The northern circumpolar stars revolving around the north celestial pole. Note that Polaris, the bright star near the center, is almost stationary. Polaris is circumpolar and can be seen at all times of the year. (The graphic shows how the… …
