Space

Big Bang

________- The event that may have triggered the expansion of the universe 14 billion years ago.

Blue green colour

What is from the methane gas (CH4) in its atmosphere? Answer with a single words or term.

Milky Way

________- The galaxy that includes the solar system; appears as a hazy white band in the night sky.

Constellation

________- A group of stars that seem to form a distinctive pattern in the sky.

Nuclear Fusion

________- The process of energy production in which hydrogen nuclei combine to form helium nuclei.

Rotation

________- The turning of an object around an imaginary axis running through it.

Redshift

________- The effect in which objects moving away from an observer have their wavelengths lengthened, toward the red end of the.

Ellipse

________- A curve that is generally referred to as an oval or the shape of an egg.

Supercluster

________- A gigantic cluster of 4 to 25 clusters of galaxies, which is hundreds of millions of light- years in size.

Blueshift

________- The effect in which objects moving toward an observer have their wavelengths shortened, toward the blue end of the.

Supernova

________- A massive explosion in which the entire outer portion of a star is blown off.

● Evidence

________ supporting the solar nebula theory consists of heavily cratered objects, most planets rotating in about the.

Latitude

________- The location above or below the equator.

Rocky ball

________ covered in craters.

Sunspot

________- An area of strong magnetic fields on the photosphere.

● Sunspots

________ can produce solar flares, which send gigantic beams of charged particles into space.

Apparent Magnitude

________- The brightness of a star as seen from Earth.

Hertzsprung Russell

________- Diagram a graph that compares the properties of stars.

Satellite

________- A human- made object or vehicle that orbits Earth, the Moon, or other celestial bodies; also, a celestial body that orbits.

Water

________ covers ¾ of Earths surface, only place with ________ in 3 phases (Liquid, solid, gas)

Main Sequence

________- A narrow band of stars on the H- R diagram that runs diagonally from the upper left (bright, hot stars) to the lower.