Space

Question 1

Orbit

Answer 1

An orbit is the curved path in space that is followed by an object going around and around a planet, moon, or star. Mars and Earth have orbits which change with time. transitive verb. If something such as a satellite orbits a planet, moon, or sun, it moves around it in a continuous, curving path.

Question 2

Solar

Answer 2

Definition of solar. 1 : of, derived from, relating to, or caused by the sun. 2 : measured by the earth’s course in relation to the sun a solar year also : relating to or reckoned by solar time. 3a : produced or operated by the action of the sun’s light or heat solar energy.

Question 3

Galaxy

Answer 3

A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems. A galaxy is held together by gravity. Our galaxy, the Milky Way, also has a supermassive black hole in the middle. … Some scientists think there could be as many as one hundred billion galaxies in the universe.

Question 4

Universe

Answer 4

all of space and everything in it including stars, planets, galaxies, etc. : an area of space or a world that is similar to but separate from the one that we live in. : the people, places, experiences, etc., that are associated with a particular person, place

Question 5

Satellite

Answer 5

a celestial body orbiting around a planet or star the earth is a satellite of the sun. Also called: artificial satellite a man-made device orbiting around the earth, moon, or another planet transmitting to earth scientific information or used for communication See also communications satellite.

Question 6

Impact crater

Answer 6

An impact crater is an approximately circular depression in the surface of a planet, moon, or other solid body in the Solar System or elsewhere, formed by the hypervelocity impact of a smaller body.

Question 7

Rotation

Answer 7

the action or process of rotating on or as if on an axis or center specifically : the turning of a body part about its long axis as if on a pivot rotation of the head to look over the shoulder.

Question 8

Revolution

Answer 8

the action by a celestial body of going round in an orbit or elliptical course also : apparent movement of such a body round the earth.

Question 9

Season

Answer 9

a period associated with some phase or activity of agriculture

Question 10

Equinox

Answer 10

either of the two points on the celestial sphere where the celestial equator intersects the ecliptic.

Question 11

Solstice

Answer 11

either of the two points on the ecliptic at which its distance from the celestial equator is greatest and which is reached by the sun each year about June 21 and December 21.

Question 12

Mare

Answer 12

a female horse or other equine animal especially when fully mature or of breeding age.

Question 13

Eclipse

Answer 13

the obscuration of the light of the moon by the intervention of the earth between it and the sun (lunar eclipse) or the obscuration of the light of the sun by the intervention of the moon between it and a point on the earth (solar eclipse) .

Question 14

Umbra

Answer 14

Like any other opaque objects illuminated by a light source, the Moon and the Earth cast shadows into space as they block the sunlight that hits them. Each shadow has 3 different areas: the umbra, the penumbra

Question 15

Penumbra

Answer 15

a space of partial illumination (as in an eclipse) between the perfect shadow on all sides and the full light.

Question 16

Astronomic units

Answer 16

Definition of astronomical unit. For general reference, we can say that one astronomical unit (AU) represents the mean distance between the Earth and our sun. An AU is approximately 93 million miles (150 million km). It’s approximately 8 light-minutes.

Question 17

Ellipse

Answer 17

Ellipsis definition is - the omission of one or more words that are obviously understood but that must be supplied to make a construction grammatically complete. How to use ellipsis in a sentence.

Question 18

Terrestrial planet

Answer 18

Terrestrial refers to things related to land or the planet Earth. Terrestrial may also refer to: Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on or near the ground, as opposed to arboreal life

Question 19

Gas giant

Answer 19

A large, massive, low-density planet composed primarily of hydrogen, helium, methane, and ammonia in either gaseous or liquid state. Gas giants have swirling atmospheres primarily of hydrogen and helium, with no well-defined planetary surface; they are assumed to have rocky cores.

Question 20

Asteroid

Answer 20

An asteroid is a large, irregularly shaped object in space that orbits our Sun. If one of these giant rocks ends up on a collision course with Earth, we are in for big trouble. An asteroid is like a comet. However, while comets are mostly made of ice, asteroids are made up of rock or even metal.

Question 21

Comet

Answer 21

a celestial body that appears as a fuzzy head usually surrounding a bright nucleus, that has a usually highly eccentric orbit, that consists primarily of ice and dust, and that often develops one or more long tails when near the sun.

Question 22

Meteor

Answer 22

a small body of matter from outer space that enters the earth’s atmosphere, becoming incandescent as a result of friction and appearing as a streak of light.

Question 23

Meteorite

Answer 23

a meteor that survives its passage through the earth’s atmosphere such that part of it strikes the ground. More than 90 percent of meteorites are of rock, while the remainder consist wholly or partly of iron and nickel.

Question 24

Geocentric

Answer 24

The definition of geocentric is something that considers Earth as the center. (adjective) An example of geocentric is the idea that the sun rotates around the earth

Question 25

Heliocentric

Answer 25

Heliocentrism is the astronomical model in which the Earth and planets revolve around the Sun at the center of the Solar System. Historically, heliocentrism was opposed to geocentrism, which placed the Earth at the center.

Question 26

Gravity

Answer 26

the force that attracts a body toward the center of the earth, or toward any other physical body having mass.

Question 27

Tide

Answer 27

the alternate rising and falling of the sea, usually twice in each lunar day at a particular place, due to the attraction of the moon and sun.

Question 28

Waxing

Answer 28

noun. the moon at any time after new moon and before full moon, so called because its illuminated area is increasing. Compare waning moon.

Question 29

Wannig

Answer 29

to decrease in strength, intensity, etc.: Daylight waned, and night came on. Her enthusiasm for the cause is waning. to decline in power, importance, prosperity, etc.: Colonialism began to wane after World War II.

Question 30

Gibbous moon

Answer 30

Gibbous refers to the shape, which is less than the full circle of a Full Moon, but larger than the semicircle shape of the Moon at Third Quarter. With some exceptions, the Waxing Gibbous Moon rises during the day, after noon.

Question 31

Crescent

Answer 31

the figure of the moon at such a stage defined by a convex.

Question 32

Full moon

Answer 32

the moon with its whole apparent disk illuminated.

Question 33

New moon

Answer 33

the phase of the moon when it is in conjunction with the sun and invisible from earth, or shortly thereafter when it appears as a slender crescent.

Question 34

Quarter moon

Answer 34

And half the moon is always lit by the sun. … Astronomers recognize four primary moon phases

Question 35

Perihelion

Answer 35

the point in the orbit of a planet, asteroid, or comet at which it is closest to the sun.

Question 36

Aphelion

Answer 36

the point farthest from the sun in the path of an orbiting celestial body (such as a planet) — compare perihelion.