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| A large cloud of interstellar gas and dust that will eventually form a star. |
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| The sum of all variable and short-lived disturbances on the sun, as sunspots, prominences, and solar flares. |
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| A star in an intermediate stage of evolution, characterized by a large volume, low surface temperature, and reddish hue. |
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| Dark spots on the surface of the photosphere, will last typically for a few months. Are much cooler that bright surface. |
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| The brightness an object would have if it were at a distance of 10 p.c. |
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| Length from crest to crest/trough to trough. |
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| Change in the wavelength/frequency that occurs in sound and light. |
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| A small portion of the EMS which is visible to humans and other lifeforms. |
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| Has a concave mirror that gathers light from the object and focuses it into an adjustable eyepiece or combination of lenses through which the reflection of the object is enlarged and viewed. |
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| The solstice on or about June 21st that marks the beginning of summer in the Northern Hemisphere. |
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| Mass of rock and mineral which has collided with earth. |
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| Huge planets made of gas, first to form. Have no solid surface. |
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| The point in the orbit of a heavenly body, esp. the moon, or of an artificial satellite at which it is nearest to the earth. |
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| The huge explosion of a gigantic star. |
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| The apparent displacement of an observed object due to a change in the position of the observer. |
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| Something that occupies space and has mass. |
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| The particles which carry one of the four forces. i.e. graviton, gluon, Higgs Boson. |
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| Class of particles, that have zero or integral spin. |
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| Show the star types and their characteristics. |
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1. The moon spun off of the Earth when it was still a liquid mass.
2. The moon was captured by the Earth's gravity.
3. A mass the size of Mars hit and the dust coalesced into the present moon. |
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| Strongest of the four forces. n. A fundamental interaction between elementary particles that causes protons and neutrons to bind together in the atomic nucleus. |
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| The luminous visible surface of the sun, being a shallow layer of strongly ionized gases. |
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| Positively charged nucleons |
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| Positively charged antiparticle of the e- (electron). |
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| The theory that the Universe will expand to a certain point and then stop and stay that way forever. |
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| In physics, a hypothetical force that affects the behavior of photons, counteracts gravity, and causes the universe to expand at an ever-increasing rate |
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| The white highlands of the moon. |
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| The time when the sun crosses the plane of the earth's equator, making night and day of approximately equal length all over the earth occurring about September 22 |
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| The obscuration of the light of the moon by the intervention of the earth between it and the sun |
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| The point in the orbit of a planet or comet at which it is nearest to the sun. |
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| The slow, conical motion of the earth's axis of rotation, caused by the gravitational attraction of the sun and moon, and, to a smaller extent, of the planets, on the equatorial bulge of the earth. |
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| Any early stage in the formation of a star when an interstellar cloud of gas and dust starts to collapse but before nuclear synthesis has begun at its core |
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| An imaginably large amount of mass in an imaginably small amount of room. |
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| Stars that appear to be in an arrangement that looks like an animal etc... |
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| Small stars with very hot cores |
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| An eruption of a flamelike tongue of relatively cool, high-density gas from the solar chromosphere into the corona where it can be seen during a solar eclipse or by observing strong spectral lines in its emission spectrum. |
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| The magnitude of a star as it appears to an observer on the earth. |
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| Rapidity in moving, going, traveling, proceeding, or performing; swiftness; celerity: the speed of light; the speed of sound. |
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| The wavelengths being stretched in the back of an object. This is observed during The Doppler Effect. |
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| An instrument for measuring the angular separation of double stars or the diameter of giant stars by means of the interference phenomena of light emitted by these stars. |
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| Consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end of a tube that slides into the first and through which the enlarged object is viewed directly |
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| Leftovers from the formation of the Solar System. |
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| A solid rocky thing flying through space. |
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| Planets made from solid material. |
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| The different stages the moon appears to go through as it orbits the Earth. |
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| A star or constellation that circles the Earth's pole and can be seen year round. |
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| The process by which smaller atoms join together under extreme conditions to form larger elements. |
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| The exact opposite of "main-stream" particles. i.e. opposite spin and charge. |
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| The force carrier of the force gravity. |
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| The force carrier of the force electromagnetism. |
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| A member of a particular class of variable stars, notable for a fairly tight correlation between their period of variability and absolute luminosity. |
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| The weakest of all the four forces who's carrier is the graviton. |
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| A white or colored circle or set of concentric circles of light seen around a luminous body, esp. around the sun or moon. |
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| The antiparticle of a proton which has a negative charge. |
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| The theory that the Universe will continue to expand forever. |
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| The first recorded event, also thought to be the beginning of the Universe. |
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| The layer of loose rock resting on bedrock, constituting the surface of most land. Also called mantle rock. |
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| The ratio of the light reflected by a planet or satellite to that received by it. |
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| Same as atumnal except it starts in march. |
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| The point in the orbit of a planet or a comet at which it is farthest from the sun. |
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| Small planet-like things at least 100 miles in size. |
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| The cooled remnant of the hot big bang that fills the entire universe and can be observed today with an average temperature of about 2.725 kelvin |
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| The Measurement of light. |
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| An explosion on the Sun that happens when energy stored in twisted magnetic fields (usually above sunspots) is suddenly released. |
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| The number of cycles or completed alternations per unit time of a wave or oscillation. |
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| The chart that shows the distinction between waves. |
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| When the wavelength in shortened in the front of the object. |
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| The obscuration of the light of the sun by the intervention of the moon between it and a point on the earth. |
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| Opposite of summer solstice |
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| When a meteoroid flies through the atmosphere and makes a light. |
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| A solid mass of ice and dust. |
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| The point in the orbit of a heavenly body, esp. the moon, or of a man-made satellite at which it is farthest from the earth. |
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Definition
| Force carrier for the strong force |
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Definition
| Bare nuclei moving extremely fast. |
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Definition
| The spontaneous emission of particles from a source. |
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Definition
| The force which governs beta decay. |
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Definition
| Fundamental particles, make up nucleons. |
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| Neutral particle in the nucleus. |
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| The theory that the universe will expand to a point and then collapse on itself. |
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| A hypothetical form of matter invisible to electromagnetic radiation, postulated to account for gravitational forces observed in the universe. |
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| The dark trench-like formations on the moons surface. |
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| The example of us and the Moon, we only see one side. |
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| Smelly Discharge emitted from the sun, composed of particles. |
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