EarthSky

[...] . Order today from the EarthSky store Enjoying EarthSky so far? Sign up for our free daily newsletter today! If you are far enough south on Earth’s globe, you can see the sky’s second-brightest [...]

[...] soup to nuts, if you will – took 11 minutes. Enjoying EarthSky? Sign up for our free daily newsletter today! Bottom line: Video photo essay shows great blue heron spearing and swallowing a [...]

[...] sunrise on February 16 and 17. Good luck! Enjoying EarthSky so far? Sign up for our free daily newsletter today! Donate: Your support means the world to us [...]

[...] Mercury before sunrise on February 17, 2015. Enjoying EarthSky so far? Sign up for our free daily newsletter today! Donate: Your support means the world to us [...]

[...] 17, Mercury will rise almost two hours before sunrise at temperate latitudes in the Southern Hemisphere. And – for those in the Southern Hemisphere – when Mercury reaches its greatest elongation [...]

[...] of year to see zodiacal light in the Northern Hemisphere evening sky. Meanwhile, from the Southern Hemisphere, the zodiacal light is best seen before dawn during these months of the year. The light [...]

[...] star in all the heavens, as seen from Earth, is Canopus. It’s easily visible from the Southern Hemisphere for much of the year. But it’s so far south on the sky’s dome that observers in the [...]

[...] latitudes, but it can likely be seen with the eye alone in the northern tropics or the Southern Hemisphere. Whether you live in the Northern Hemisphere or the Southern Hemisphere, watch as the [...]

[...] Artist’s depiction of Scholz’s star, a binary star, during its flyby of our solar system. At this location – in the outer Oort cloud cloud – the sun (left, background) would have [...]

[...] form from the material in the disks. Bottom line: First-ever ringed planet beyond our solar system. You could think of it as kind of a super Saturn. Called J1407b, its ring system is 200 times [...]

[...] over one light-second from Earth, while Pioneer 10 lodges way out in the far reaches of the solar system at over 15.5 light-hours away. At present, Pioneer 10 is traveling about one light-hour [...]

[...] in the innermost part of the Milky Way. There may even be dark matter lurking in our own solar system, and, if so, maybe today’s dark matter detectors will find it. The study – announced February [...]

[...] chance of being the constellation Orion the Hunter. On these February evenings, from the Northern Hemisphere, Orion is high in the south. Orion noticeable for its Belt stars, a short, straight row of [...]

[...] can be found to the south of the Hare. This little constellation is sometimes ignored in Northern Hemisphere books about the sky, probably because it is so far south as seen from the U.S. Richard [...]

[...] circle of circumpolar stars, and the closer you are to the equator, the smaller. From the Northern Hemisphere, all the stars in the sky go full circle around the north celestial pole once a day – or [...]

[...] / 3.9 miles wide. It’s located within what is called the Hokusai Quadrangle in the northern hemisphere on Mercury. The image shows terraces on a west-facing crater wall. The terracing forms just [...]

[...] the year 2019! Donate: Your support means the world to us Live by the moon with your 2015 EarthSky lunar calendar! See it! Best pics of February 3 full moon and Jupiter [...]

[...] stargazers. Order your EarthSky Planisphere today. Live by the moon with your 2015 EarthSky lunar calendar! [...]

[...] so far? Sign up for our free daily newsletter today! Live by the moon with your 2015 EarthSky lunar calendar! The moon rises about 50 minutes later each day. That’s why you’ll see the moon sweep [...]

[...] total eclipse of equinox sun on March 20 Live by the moon with your 2015 EarthSky lunar calendar! You won’t see today’s new moon at perigee – the “supermoon” – but Earth’s [...]

[...] someday February 2015 guide to the five visible planets Not too late. Order your 2015 EarthSky Lunar Calendar today! A planisphere is virtually indispensable for beginning stargazers. Order your [...]

[...] stargazers. Order your EarthSky Planisphere today. Not too late. Order your 2015 EarthSky Lunar Calendar today! [...]

[...] EarthSky? Sign up for our free daily newsletter today! Not too late. Order your 2015 EarthSky lunar calendar today! A planisphere is virtually indispensable for beginning stargazers. Order your [...]

[...] to see Canopus, at least below 37 degrees N. latitude. Going … going. Order your 2015 EarthSky lunar calendar today! [...]

Magma from undersea eruptions congealed into forms known as pillow basalts on the Juan De Fuca Ridge, off the U.S. Pacific Northwest. A new study show [...]

Recently I realized that the distance I used for the star Betelgeuse – ninth-brightest star in the night sky and second-brightest in the constellati [...]

Ah, Groundhog Day. This U.S. and Canadian tradition comes every year on February 2. It has its roots in astronomy, in the sense that it’s a seasonal [...]

[...] (above) in the western twilight sky? French photographer Jean-Baptiste Feldmann posted it at EarthSky Facebook over this past weekend (February 14-15, 2015). It’s a beauty in and of itself and also [...]

[...] the U.S. state of Michigan this past weekend, when Joshua Nowicki posted this cool photo at EarthSky Facebook. He said these interesting formations were created by the wind eroding the frozen sand at [...]

[...] over the western horizon in the predawn/dawn sky. If you get a good photo, post it at EarthSky Facebook or submit your photo here. Enjoying EarthSky so far? Sign up for our free daily newsletter [...]