science Flashcards
what is an angular.
having angels or sharp corners
what is a velocity.
the speed of somthing in a given direction
What is an orbit.
The curved path of a celestial object or spacecraft around a star, planet, or moon,
what is a period.
a lenght or portion of time
what is revolve?
Revolve is to orbit a center point.
What is rotation
rotation is when somthing is circling around a center or axis
what is siderealday?
the time between to consecutive transits of the first point of aries.
What is solar day?
the time between successive meridian transit of the sun at a particular plaace.
What is year?
the periode of 365 day in a year also nown as twelve months.
What is astronomical unit?
Astronomical is how you mesure distance of the center of the earth or the center of the sun
What is a light year ?
A light year is a unit of astronomical distance equivalent to the distance that light travels in one year.
what is a parsec?
A UNIT OF ASTONIMICAL LENGHT BASED ON THE ABSTANCE FROM EARTH AT WHICH STELLER PARALLEX
What is nebula?
a diffuse mass of intersellar dust or gas or both vibible as limunous pathces or areas of darkness.
what is nucular fussion?
a nuclear fussion is the process by which two or more atomi nucle join togeather or fuse.
what is terrestrial planets?
any of the four planet mars earth mercury vunus that are nearest to the sun.
what is planetestimal
any of innurmeralle small bodies throughh o havee orbittd the sun during the formation of planets
what is gas giant planets?
Gas giant planets are low density planets composed primarily of hydrogen helium methane and ammonia in either gasouse or liquid state.
what is constellation?
constellation is the configuration of a planet at ones birth.
what is a comet?
a comet is a light of burning gas.
what is an asteroid?
an asteroid is any of numerous small celestial bodies that resolve around the sun with orbits lying chiefley between mars and jupiter.
what is an cosmologist?
the study of phisical universe considered as an totality of phenomona in the time of space.
