Across
- 1. the SI unit of force. It is equal to the force that would give a mass of one kilogram an acceleration of one meter per second
- 3. either of the two times in the year, the summer solstice and the winter solstice, when the sun reaches its highest or lowest point in the sky at noon, marked by the longest and shortest days.
- 8. the equinox in autumn, on about September 22 in the northern hemisphere and March 20 in the southern hemisphere.
- 10. of, on, or relating to the earth.
- 12. the equinox in spring, on about March 20 in the northern hemisphere and September 22 in the southern hemisphere.
- 13. galileo Galilei was an Italian polymath. Galileo is a central figure in the transition from natural philosophy to modern scien
- 14. an imaginary line drawn around the earth equally distant from both poles, dividing the earth into northern and southern hemispheres and constituting the parallel of latitude 0°
Down
- 2. a great circle on the celestial sphere representing the sun's apparent path during the year, so called because lunar and solar eclipses can occur only when the moon crosses it.
- 3. the warmest season of the year, in the northern hemisphere from June to August and in the southern hemisphere from December
- 4. Of or relating to the sky or the heavens: Planets are celestial bodies.
- 5. of or during the day.
- 6. the coldest season of the year, in the northern hemisphere from December to February and in the southern hemisphere from June
- 7. The land surface of the world.
- 9. term for equinoctial point.
- 11. the time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of equal length (about September 22 and March 20).