The map shows day and night on Earth and the positions of the Sun (subsolar point) and the Moon (sublunar point) right now.

Interact with the animated storybook to observe and predict patterns of the Sun, Moon, and stars over a day and analyze evidence of the apparent movement of the Sun along the arc-like path over a day in a time-lapse video.

Complete Sun and Moon Data for One Day. This data service provides rise, set, and transit times for the Sun and Moon, civil twilight beginning and end times , and lunar phase...

The day can be measured either by the stars or by the Sun. If the stars are used, then the interval is called the sidereal day and is defined by the period between two passages of a star (more precisely of the vernal equinox, a reference point on the celestial sphere) across the meridian: it is 23 hours 56 minutes 4.10 seconds of mean solar ...

Apr 30, 2018 · The sun is a star, while the moon is a large mass of rock and dirt. According to most theories, the sun formed from the solar nebula, a giant mass of cloud and dust that collapsed because of its gravity.

Find and track the Sun, Moon, planets, and stars. Which planet is closest to Earth right now? Which are the biggest and smallest planets? Know your albedo from your antumbra. Your one-stop shop for the solar system and space. Find everything from sunrise & moonrise times to how to see planets & meteors—from any location on Earth.

In this lesson you will learn about how the movements of the Earth, Moon, and Sun affect different phenomena on Earth, including day and night, the seasons, tides, and phases of the Moon. Describe how Earth’s movements affect seasons and …

Apr 5, 2023 · Although the sunlight washes out most of the sky objects, you can still observe the Moon, the planets, the brightest stars, and the Sun itself. In this article, we’ve listed the best objects for daytime observations.

Mar 31, 2023 · Learn about how the sun, moon, and stars all move across the sky in a pattern that repeats each day. They rise in the east and set in the west. Watch now!

This data service calculates rise, set, and transit times for the Sun, Moon, planets and bright stars.