Earth and Space Physics Crossword Puzzle

QUESTIONS LIST:

• supernova : a massive explosion marking the end of a massive star's life
• fusion : the chemical reaction that occurs in the sun.
• proto star : a massive explosion marking the end of a massive star's life
• black hole : the final stage for a massive star, with gravity so strong that not even light escapes
• pluto : famous frosty planetesimal in solar system (not a planet)
• hydrogen : main gas found in a star.
• gravity : the force of _ pulls gas and dust together to form a star
• natural : moons that orbit planets are _ satellites.
• red giant : a type of star that has exhausted its hydrogen fuel and expanded
• nebula : a cloud of dust and gas.
• white dwarf : the white-hot remnant of a low-mass star, no longer undergoing fusion
• sequence : main _ star is the stable state of a star.
• drift : the process by which continents move slowly over earth's surface
• pangaea : the supercontinent that existed about 300 million years ago
• mantle : the semi-solid layer of the earth that moves slowly, causing tectonic plate motion