Solar Physics Glossary
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Angstrom Abbreviated Å. A unit of length equal to 10-8 cm (one-hundredth of a millionth of a centimeter). An Angstrom is on the order of the size of an atom.
Solar interactions with Earth
There are several ways that solar variations may affect Earth. Some variations, such as changes in the size of the Sun, are presently only of interest in the field of astronomy.
Changes in total irradiance ...
Solar Time
Related Category: Astronomy: General
time defined by the position of the sun. The solar day is the time it takes for the sun to return to the same meridian in the sky. Local solar time is measured by a sundial.
Solar variations are changes in the amount of solar radiation emitted by the Sun. There are periodic components to these variations, the principal one being the 11-year solar cycle (or sunspot cycle), as well as aperiodic fluctuations.
Solar System
From LoveToKnow 1911
SOLAR SYSTEM, in astronomy, the group of heavenly bodies, comprising the sun and the bodies which move around the sun as a centre of attraction, of which the Earth is one.
Solar flare
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History
The USS Enterprise passing a solar flare.
Solar Wind Plasma Package for measuring solar wind plasmas and electrons
Fields Package to measure electromagnetic fields
Particles Package for energetic particles, neutrons, gamma-rays, and dust measurements ...
Solar Day
A solar day is the time it takes for the Earth to rotate about its axis so that the Sun appears in the same position in the sky.
Solar Flare
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A powerful explosion of particles and energy known as a solar flare erupts from the Sun in this false-color image. The flare forms a bright red loop at lower left.
Solar flares are areas around sunspots that appear to brighten sharply through a telescope because of an enormous energy release. They are distinguished from other solar activity in that they happen so suddenly.
Solar System Search
This activity can be used in conjunction with the StarChild Solar System Level 1 information.
Objectives: ...
Solar Eclipse
A solar eclipse is when the moon passes between the Earth and the sun, its shadow blotting out the sun.
Solar Science-Study of the Sun
Energy Beads (UV Beads) (PDF, 137 KB)
Kinesthetic Astronomy Lesson 1: Sky Time (PDF, 1.6 MB)
Interactive Periodic Table
Cosmic Chemistry: An Elemental Question (PDF, 622 KB)
Here Comes the Heat (PDF, 1.83 MB) ...
Solar System Formation
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solar time
Home ... Science and Technology Astronomy and Space Exploration Astronomy: General ...
Essential reading Compare
side-by-side A Dictionary of Astronomy A Dictionary of Astronomy The Columbia Encyclopedia, ...
Solar system data
The orbits of the planets
Name Sidereal Period Perihelion (AU) Aphelion (AU) Inclination (degrees)
Mercury ...
Solar sheaths make or break plasma eruptions
DR EMILY BALDWIN
ASTRONOMY NOW
Posted: 18 April 2011 ...
Solar system
A generic solar system (or planetary system) consists of at least one star and various orbiting objects (such as asteroids, comets, moons, and planets).
Solar eclipse (not to scale)
As noted above, the images that we show in discussing eclipses are illustrative but not drawn to scale.
solar system - Student Encyclopedia (Ages 11 and up)
As the Sun rushes through space at a speed of roughly 150 miles (240 kilometers) per second, it takes many smaller objects along with it.
Other Solar Systems
Now that we've looked at how our solar system formed, we need to ask whether we got it right. Are we correct in our theories?
Solar System
Pertinent observational constraints on the formation of the solar system include 1. The solar abundance of elements has been determined spectroscopically down to relative to H. 2. Elemental abundances in meteorites are measured.
Solar Wind :
The solar wind is a flux of particles, chiefly protons and electrons together with nuclei of heavier elements in smaller numbers, that are accelerated by the high temperatures of the solar corona, or outer region of the Sun, ...
Solar flares are huge outbursts of solar material, which are several thousand to million kilometers long.
Solar System
The Solar System consists of the Sun and the astronomical objects bound to it by gravity, all of which formed from the collapse of a giant molecular cloud approximately 4.6 billion years ago.
Solar System Extremes
Biggest Planet:
. All the other planets in our Solar System could fit inside Jupiter
Smallest Planet:
, which is smaller than many moons, including our .
The Planet Closest in Size to the Earth: ...
Solarium, the sundial:
A modern obsolete constellation. The creator of the constellation is unknown but it has appeared in the Atlas published by the American astronomer Elijah Burritt during the early nineteenth century.
Solar flares are explosions of energetic particles and electromagnetic radiation in the outer atmosphere of the sun. Lessons learned from solar explosions apply to much larger explosions that we see elsewhere in the Universe.
Solar Mystery Nears Solution With Data From SOHO Spacecraft
Additional Resources
Solar Mystery Nears Solution with Data from SOHO Spacecraft
Magnetic Carpet Space Science Update Page
The SOHO Spacecraft ...
Solar Wind - Space and Astronomy Definition - Online Dictionary and Glossar...
shock wave - Space and Astronomy Definition - Online Dictionary and Glossar...
Cepheid Variable - Space and Astronomy Definition - Online Dictionary and G...
Solar System Bodies: Jupiter's Moons
Sky & Telescope: Jupiter Observing Guide
Sounds of Jupiter ...
Solar Nebula
The large cloud of gas from which the Sun and planets were formed 4,600 million years ago.
Space Probe ...
A solar flare is a spontaneous release of energy on the Sun's surface. The Sun's surface contains large magnetic loops. These loops, solar prominences, occasionally collide and short-circuit each other. This is what causes solar flares.
Our Solar System consists of the sun, nine planets (and their moons), an asteroid belt, and many comets and meteors. The Sun is the center of our Solar System.
How solar sails work
One side of the sail is highly reflective and reflects light from the sun. By reflecting these photons (light particles) a tiny amount of pressure is created on the sail which nudges the spaceship along slightly faster.
Appendix 2: Solar System Extrema
Here are listed the largest, brightest and densest of the major bodies in the solar system and those with best prospects for life.
...
SOLAR-TERRESTRIAL EFFECTS
Besides providing light and heat, the Sun affects the Earth through its ultraviolet radiation, the steady stream of the solar wind, and the particle storms of great flares.
Solar System
Wikipedia, the free encyclopedia - Cite This Source
The Solar System or solar system consists of the Sun and the other celestial objects gravitationally bound to it: the eight planets, their 166 known moons, ...
Solar Wind Variations
The solar wind is not uniform. Although it is always directed away from the Sun, it changes speed and carries with it magnetic clouds, interacting regions where high speed wind catches up with slow speed wind, ...
Solar and Heliospheric Observatory
SOHO NASA
SOHO ESA
SOHO Artwork
Solar mystery solution SOHO data ...
Solar System
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The Solar System
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We occupy a small portion of the solar system, which occupies and even smaller portion of the galaxy, and so on. To understand the entire Universe would take more than any one person could do in a lifetime.
The Solar Sail
Artist's rendering of solar sail.
One such method is the use of a solar sail, relying on the pressure of sunlight.
The Solar Systems Largest Bathtub Toy
If you go outside any evening this week, look towards the western sky, and you will see a large bright, yellow point of light. This is the planet Saturn.
The Solar System:
The Solar System planet order is easy to remember with this classic phrase: "My very educated mother just sent us nine pickles" — My (Mercury), Very (Venus), Educated (Earth), Mother (Mars), Just (Jupiter), ...
antisolar point
The point on the celestial sphere 180° from the Sun.
Related category
- CELESTIAL MECHANICS ...
The Solar System, including the objects in question during the IAU's recent planet definition debate : Ceres, Pluto-Charon, and Eris.
Image credit: The International Astronomical Union/Martin Kornmesser
Planet X becomes just another ex-planet ...
Solar Panel
These two large solar panels give the MESSENGER spacecraft its power. Image Credit: NASA
groups of solar cells attached to spacecraft and satellites that collect the sun's energy and change it into electrical power ...
SOLAR CYCLE - Solar activity increases and decreases over an 11 year cycle. Scientists can pretty well predict when our Sun is going to be active and when it is going to be quiet, but not always.
Solar wind is an extension to the Sun's corona. It typically has velocities of 300 - 800 km/s. Plasma densities range from 1 - 10 ions/cc. The ions are about 95% , 4% and 1% heavier components.
Solar Constant
The average amount of solar radiation reaching a planet; usually expressed in watts (energy per unit time) per square meter. For Earth, the solar constant equals 1,372 W/m2.
Martian Solar Eclipses
The shadow of the Martian moon, Phobos, is captured here by the Mars Global Surveyor wide angle camera. Frequent solar eclipses are caused by the passage of Phobos between Mars and the Sun.
A small solar-system body is anything that isn't a planet, a dwarf planet, or a satellite. This includes most asteroids and comets.
Sun, the solar system's only star
Introduction
Stars are born. They take shape. They go through a turbulent adolescence, and then they live out their lives in a predictable pattern. Some have companions to provide for.
Explore Some Solar System Moons
Click on the links to see pictures and check out some of the other moons in the solar system.
Mars Jupiter Saturn Uranus Neptune
SBI! ...
Distance in the Solar System
The scale of the planets is tiny compared to the scale of the Solar System. The distance from Earth to the moon is 384 thousand kilometers, or 9.6 times Earth's equatorial circumference.
Solar activity levels with at least one geophysical event or several larger radio events (10cm) per day (Class M Flares) ACTIVE DARK FILAMENT (ADF). An ACTIVE PROMINENCE seen on the DISK. ACTIVE LONGITUDE.
4 solar masses then the electron degenerate pressure is insufficient to withstand the force of gravity. The core will thus continue to collapse and form either a neutron star or a black hole.
This final section attempts to explain why the change in solar declination happens. First, it helps to picture the Earth rotating once (360 degrees) upon its axis in a period of 23 hours and 56 minutes.
For more information about the Solar System, go to William A. Arnett's website on "The Nine Planets", or to Calvin J. Hamilton's website on "The Solar System." ...
 See also: Sun, Earth, Solar System, Planet, Light
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