Alpha Centauri ; also known as Rigil Kent is the brightest star in the southern constellation of Centaurus, and the third brightest star in the night sky.

n. an object like a very large rock that goes around the sun like a planet. Scientists are hoping an _______ will clue them in about early life on earth.

n. a person who is trained for traveling in spacecraft

n. a person who studies astronomy or whose job is connected with astronomy

An astronomical unit, or AU, is equal to the mean (average) distance from the Earth to the Sun,

n.the scientific study of the universe as a whole and of objects that exist naturally in space, such as the stars

n. a region of space having a gravitational field so intense that no matter or radiation can escape.

adj. of or from the sky above us: The moon is a _______ body.

n. a body of rock and ice that travels around the sun and that, as it nears the sun, develops a long tail of small pieces that can be seen.

n. a group of stars in the sky that appear to form a pattern and that have a name

n. a circle of light that can sometimes be seen around the moon at night, or around the sun during an eclipse

n. the study of the nature and origin of the universe

n. the universe considered as a system with an order and pattern

n. the round hole at the top of a volcano, or a hole in the ground similar to this: With a good telescope, you can see _______on the moon.

n. consists of particles in the atmosphere that come from various sources such as soil, dust lifted by weather (an aeolian process), volcanic eruptions, and pollution.

n. the situation when the sun disappears from view, either completely or partly, while the moon is moving between it and the Earth, or when the moon becomes darker while the shadow of the Earth moves over it: a solar/lunar eclipse

n.(Milky way) the very large group of stars that contains the solar system (= the sun and all the planets, including the Earth, that go round it)

geostationary orbit n.

n. an orbit (= path travelled around an object in space) in which a satellite always remains over the same place on the Earth's surface because it moves at the same speed as the Earth turns

n. › a star that has exploded, strongly increasing its brightness for a few months

n. a piece of rock or other matter from space that produces a bright light as it travels through the Earth's atmosphere

n. a cloud of gas or dust in space, appearing either bright or dark

n.coming from a different country, race, or group:

n. a large cylinder-shaped object that moves very fast by forcing out burning gases, used for space travel or as a weapon: They launched a _____ to the planet Venus.

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Astronomy Vocabulary


Alpha Centauri n.	Alpha Centauri ; also known as Rigil Kent is the brightest star in the southern constellation of Centaurus, and the third brightest star in the night sky.
asteroid n.	n. an object like a very large rock that goes around the sun like a planet. Scientists are hoping an _______ will clue them in about early life on earth.
astronaut n.	n. a person who is trained for traveling in spacecraft
astronomer n.	n. a person who studies astronomy or whose job is connected with astronomy
astronomical unit	An astronomical unit, or AU, is equal to the mean (average) distance from the Earth to the Sun,
astronomy n.	n.the scientific study of the universe as a whole and of objects that exist naturally in space, such as the stars
black hole n.	n. a region of space having a gravitational field so intense that no matter or radiation can escape.
celestial adj.	adj. of or from the sky above us: The moon is a _______ body.
comet n.	n. a body of rock and ice that travels around the sun and that, as it nears the sun, develops a long tail of small pieces that can be seen.
constellation n.	n. a group of stars in the sky that appear to form a pattern and that have a name
corona n.	n. a circle of light that can sometimes be seen around the moon at night, or around the sun during an eclipse
cosmology n.	n. the study of the nature and origin of the universe
cosmos n.	n. the universe considered as a system with an order and pattern
crater n.	n. the round hole at the top of a volcano, or a hole in the ground similar to this: With a good telescope, you can see _______on the moon.
dust n.	n. consists of particles in the atmosphere that come from various sources such as soil, dust lifted by weather (an aeolian process), volcanic eruptions, and pollution.
eclipse n.	n. the situation when the sun disappears from view, either completely or partly, while the moon is moving between it and the Earth, or when the moon becomes darker while the shadow of the Earth moves over it: a solar/lunar eclipse
galaxy n.	n.(Milky way) the very large group of stars that contains the solar system (= the sun and all the planets, including the Earth, that go round it)
geostationary orbit n.	n. an orbit (= path travelled around an object in space) in which a satellite always remains over the same place on the Earth's surface because it moves at the same speed as the Earth turns
supernova n.	n. › a star that has exploded, strongly increasing its brightness for a few months
meteor n.	n. a piece of rock or other matter from space that produces a bright light as it travels through the Earth's atmosphere
nebula n.	n. a cloud of gas or dust in space, appearing either bright or dark
alien n.	n.coming from a different country, race, or group:
rocket n.	n. a large cylinder-shaped object that moves very fast by forcing out burning gases, used for space travel or as a weapon: They launched a _____ to the planet Venus.

Created by: andrealopgo

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