Fact check: Flat Earth claim based on gas pressure fails to account for gravity's impact. Researchers have confirmed the sun and moon's actual sizes and positions in space through various ...

Getting to the moon takes a lot of small steps, like Europe's new LUNA training facility. But it's not there yet. Next step: ...

Scaling Earth, Sun, and Moon. In the next part of your investigation, you will create a Sun-Earth-moon system outside and discover your own solar eclipse model. Measure the distances between the ...

The beauty of creating a time scale from scratch, Gramling said, is that scientists can take everything they have learned about timekeeping on Earth and apply it to a new system on the moon.

The beauty of creating a time scale from scratch, Gramling said, is that scientists can take everything they have learned about timekeeping on Earth and apply it to a new system on the moon.

Learn the differences between our Earth, the Sun and the Moon. Then explore how together they create day and night and our different seasons with their orbits.

October 2000 Believe it or not, it actually is just a coincidence — and a happy one at that. The Moon and Sun have virtually the same angular size in our sky because the Sun is about 400 times ...

The Moon’s albedo is 0.136, while the Earth’s is 0.434, making the Earth 3.2 times as reflective. That figure varies of course, depending on cloud and whether you’re facing mostly ocean or land.