Solar and stellar observations

См. также в других словарях:

• Solar wind — For other uses, see Solar wind (disambiguation). The solar wind is a stream of charged particles ejected from the upper atmosphere of the Sun. It mostly consists of electrons and protons with energies usually between 1.5 and 10 keV. The stream of …   Wikipedia

• Solar telescope — The Swedish 1 m Solar Telescope at Roque de los Muchachos Observatory, La Palma in the Canary Islands. A solar telescope is a special purpose telescope used to observe the Sun. Solar telescopes usually detect light with wavelengths in, or not far …   Wikipedia

• solar system — the sun together with all the planets and other bodies that revolve around it. [1695 1705] * * * The Sun, its planets, and the small bodies (see asteroid, Centaur object, comet, Kuiper belt, meteorite, and Oort cloud) interplanetary dust and gas… …   Universalium

• Solar analog — Solar Type, Solar Analog, and Solar Twin stars are those stars that are particularly similar to the Sun, with solar twin being more similar than solar analog, and solar type being less similar than solar analog. Observations of these stars are… …   Wikipedia

• National Large Solar Telescope — The National Large Solar Telescope (NLST)is a Gregorian multi purpose open telescope[1] proposed to be built in Merak village in Ladakh in India and aims to study the sun s microscopic structure.[2] The Indian Institute of Astrophysics is the… …   Wikipedia

• Solar rotation — can vary because the sun is composed of a gaseous plasma, and therefore may lack a fixed rotation rate. The rate of rotation is observed to be fastest at the equator (latitude φ=0 deg), and to decrease as latitude increases. The rotation rate is… …   Wikipedia

• Philippine Atmospheric, Geophysical and Astronomical Services Administration — Pangasiwaan ng Palingkurang Atmosperiko, Heopisikal at Astronomiko ng Pilipinas Agency overview Formed …   Wikipedia

• Stellar classification — In astronomy, stellar classification is a classification of stars based on their spectral characteristics. The spectral class of a star is a designated class of a star describing the ionization of its chromosphere, what atomic excitations are… …   Wikipedia

• Solar System — This article is about the Sun and its planetary system. For other systems, see planetary system and star system. For a list of physical and orbital statistics for the Solar System s largest bodies, see List of gravitationally rounded objects of… …   Wikipedia

• Solar flare — A solar flare is a violent explosion in a star s (like the Sun s) atmosphere releasing as much energy as 6 times; 1025 Joules.cite journal last=Kopp first=G. coauthors=Lawrence, G and Rottman, G. year=2005… …   Wikipedia

• Stellar black hole — A stellar black hole is a black hole formed by the gravitational collapse of a massive star (20 or more solar masses, though the exact amount of mass needed has not been determined and may depend on many parameters) at the end of its lifetime.… …   Wikipedia