solstice

Weekly Space Hangout – June 24, 2016: Dr. James Green

Host: Fraser Cain (@fcain) Special Guest: Dr. James Green is the NASA Director of Planetary Science. Guests: Morgan Rehnberg (MorganRehnberg.com…

8 years ago

Seeking the Summer Solstice

Today marks the June solstice, as the Sun passes highest in the sky for observers across the northern hemisphere. Here's…

8 years ago

This Friday: The Moon Meets Mercury in the Dawn Sky

Watch that Moon this weekend, as it crosses the dawn sky, meets up with Mercury, and ushers in Ramadan 2016.

8 years ago

What Causes Day and Night?

For most of here on planet Earth, sunrise, sunset, and the cycle of day and night (aka. the diurnal cycle)…

9 years ago

The Orbit of Earth. How Long is a Year on Earth?

Ever since the 16th century when Nicolaus Copernicus demonstrated that the Earth revolved around in the Sun, scientists have worked…

9 years ago

Today’s Solstice Sun

This beautiful image from the Solar Dynamics Observatory provides a view of our Sun on the solstice (winter solstice for…

11 years ago

The longest day – Summer Solstice 21st June 2011

[/caption] June 21st, 2011 is Summer Solstice - the longest day of the year. This is the time when the…

13 years ago