Documents IQ The most obvious systematic motions in the sky are the daily, or diurnal, changes caused by the.....

Slide 1 Slide 2 IQ The most obvious systematic motions in the sky are the daily, or diurnal, changes caused by the Earth’s rotation. T F Slide 3 IQ True! The Earth’s…

Documents IQ The sun is made of hydrogen (~74%) and helium (~25%), making it similar in composition to the...

Slide 1 Slide 2 IQ The sun is made of hydrogen (~74%) and helium (~25%), making it similar in composition to the theoretical mix of the universe at the time of the Big Bang.…

Documents IQ Most changes in the appearance of the sky are caused by the Earth’s revolution. T F.

Slide 1 Slide 2 IQ Most changes in the appearance of the sky are caused by the Earth’s revolution. T F Slide 3 IQ False! “Revolution” refers to the orbital motion of…

Documents IQ The original atmospheres of Mars and Earth were very similar. T F.

Slide 1 Slide 2 IQ The original atmospheres of Mars and Earth were very similar. T F Slide 3 IQ T. It is true! Both started with a CO 2 -rich atmosphere. Water and temperature…