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…

9 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.

9 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)…

10 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…

10 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…

12 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…

14 years ago