Answer:
Lunar eclipses
The only shape that casts a round shadow no matter which direction it is pointed is a sphere, and the ancient Greeks deduced that this must mean the Earth is spherical.
Explanation:
Answer:
Canes Venetic, Centaurus, Coma Berenices, Corves, Crux, Musca and Virgo. Canes Venetic and Coma Berenices are northern constellations, while Centaurus, Virgo, Corves, Crux and Musca lie
Explanation:
The border separates Sonora and Chihuahua is Natural boundary
optical telescope (Hubble), X ray telescope ( Chandra) etc.
get around the Earth's atmosphere so that we can get a clearer view of the planets, stars, and galaxies that we are studying.
