... For example, only eight signals are used for a typical modem. ... 030998 2/9 APPLICATION NOTE 83 RS­ 232 DEFINED SIGNALS Table 1 CIRCUIT MNEMONIC AB BA BB CA CB CC CD CE CF CG CH CI CJ RL LL TM DA DB DD SBA SBB SCA SCB SCF CIRCUIT NAME* Signal Common Transmitted Data (TD) Received Data (RD) Request to Send (RTS) Clear to Send (CTS) DCE Ready (DSR) DTE Ready (DTR) Ring Indicator (RI) Received Line Signal Detector** (DCD) Signal Quality Detector Data Signal Rate Detector from DTE...

... The double-sun planets, Kepler-34b and Kepler -35b are Saturn-like in mass and orbit a pair of stars (aka binary stars`). ... Along with 61 con rmed exoplanet discoveries, the project has announced 2,326 planet candidates, many of them earth-sized and many within their star's habitable zone. ... Another Kepler find, the Kepler-20 system, contains five planets, two of which are Earth-sized, though neither are in the habitable zone (they orbit their star in only 6.1 and 19.6 days, respectively). ...

... The Chemically Distinct Nucleus and Structure of the S0 Galaxy NGC 80 O. K. Sil'chenko1, S. E. Koposov1, V. V. Vlasyuk2, and O. I. Spiridonova 1 2 2 Sternberg Astronomical Institute, Universitetski i pr. ... The global stellar disk of NGC 80 has a two-tiered structure: its outer part has an exponential scale length of 11 kpc and normal surface density, while the inner disk, which is also exponential and axisymmetric, is more compact and brighter. ... 29, 1997 July 18, 2001 July 18, 2001 Aug. ...