The Old Faithful geyser in Yellowstone National Park in the western US is one of the most predictable geographical features on Earth, as it erupts “faithfully” every 60 – 110 minutes. But you can never predict what the night sky will look like overhead. Astroval1 on Flickr captured this gorgeous shot of the stars over … Continue reading "Astrophoto: Old Faithful Geyser Erupts Under a Starry Sky"