Grade 9 Astronomy (correct answers)
Astronomy correct answers The scientific study of what is beyond earth
Celestial Object correct answers any object that exists in space
Universe correct answers Everything that exists, including all energy, matter, and
space.
Star correct answers A massive collection of gases, held together by its own gravity and
emitting huge amounts of energy
Luminous correct answers Producing and giving off light; shining.
Solar System correct answers The Sun and all the objects that travel around it.
Satellite correct answers A celestial object that travels around a planet or dearth planet
Orbit correct answers The closed path of a celestial object or satellite as it travels
around another celestial object
Sunspots correct answers Dark spots appearing on the Sun's surface that are cooler
than the area surrounding them
Solar flare correct answers Gases and charged particles expelled above an active
sunspot
Solar prominence correct answers Low-energy gas eruptions from the sun's surface that
extend thousands of kilometres into space
Meteor correct answers A STREAK OF LIGHT in the sky produced by the burning of a
meteoroid in Earth's atmosphere
Asteroid correct answers A small celestial object in the solar system composed of rock
and metal
Comet correct answers A chunk of ice and dust that travels in a very long orbit around
the sun
Orbital radius correct answers average distance between an object in the solar system
and the sun
Solstice correct answers Astronomical event that happens twice each year, when the tilt
of Earth's axis is most inclined toward or away from the Sun, causing the Sun's
apparent position in the sky to reach its most northernmost or southernmost extreme,
and resulting in the shortest and longest day of the year.
Astronomy correct answers The scientific study of what is beyond earth
Celestial Object correct answers any object that exists in space
Universe correct answers Everything that exists, including all energy, matter, and
space.
Star correct answers A massive collection of gases, held together by its own gravity and
emitting huge amounts of energy
Luminous correct answers Producing and giving off light; shining.
Solar System correct answers The Sun and all the objects that travel around it.
Satellite correct answers A celestial object that travels around a planet or dearth planet
Orbit correct answers The closed path of a celestial object or satellite as it travels
around another celestial object
Sunspots correct answers Dark spots appearing on the Sun's surface that are cooler
than the area surrounding them
Solar flare correct answers Gases and charged particles expelled above an active
sunspot
Solar prominence correct answers Low-energy gas eruptions from the sun's surface that
extend thousands of kilometres into space
Meteor correct answers A STREAK OF LIGHT in the sky produced by the burning of a
meteoroid in Earth's atmosphere
Asteroid correct answers A small celestial object in the solar system composed of rock
and metal
Comet correct answers A chunk of ice and dust that travels in a very long orbit around
the sun
Orbital radius correct answers average distance between an object in the solar system
and the sun
Solstice correct answers Astronomical event that happens twice each year, when the tilt
of Earth's axis is most inclined toward or away from the Sun, causing the Sun's
apparent position in the sky to reach its most northernmost or southernmost extreme,
and resulting in the shortest and longest day of the year.
