Is it possible to have three eclipses in one month? Yes, it’s possible. You can have two solar eclipses and one lunar eclipse in one month. Or you can have two lunar eclipses and one solar eclipse in one month. However, it’s quite rare to have three eclipses in one calendar month. Follow the links inside to learn more about past and future months in which there are three eclipses.
My wife Alice regularly brings home the Indian Time news journal, a publication by the Akwesasne Mohawk Nation Territory in northern New York. It was with great interest that I came across an article titled “Dating the Iroquois Confederacy” by Bruce E. Johansen. What really attracted my attention was that a total, or near total, solar eclipse marked the beginning of the Haudenosaunee (Iroquois) Confederacy, the oldest living democracy in North America and possibly on Earth.
To kick off the Halloween season of candy consumption, costume concocting and ghost story telling, I present to you a most fiendish lifeform, one that lurks in the dark and spooky rainforests of southeast Asia leeching life from innocent tree roots: a strange entity known as the corpse flower.
Vast unexplored areas of the ocean have now been mapped with new satellite data and scientists have discovered thousands of previously uncharted seamounts in addition to an extinct spreading ridge in the Gulf of Mexico.
Few regions on Earth depend as heavily on glaciers for food, energy and water as South Asia’s Hindu Kush Himalayan ecosystem. But now hundreds of millions in South Asia are at risk from glacier melt. A new research paper in the journal Environmental Science and Policy highlights some of the challenges downstream communities face when glacier water from upstream communities becomes scarce.
The familiar primary and secondary rainbows have been known since there were eyes. The long sought 3rd and 4th order rainbows were finally imaged in 2011. Now we have the 5th order!
The close pass of Comet Siding Spring to Mars was exciting! Closest approach was October 19. Watch for more photos from the event – both from earthly observers and from the spacecraft orbiting Mars and on Mars’ surface – here at EarthSky.org.
Something to think about while raking …
The Double Cluster is also known as h and Chi Persei. It resides in the northern part of the constellation Perseus, quite close to the constellation Cassiopeia the Queen. If you have a dark sky and find Cassiopeia – which is easy, because the constellation has a distinctive M or W shape – be sure to look for Perseus, too. Then just scan with your binoculars between them. The Double Cluster – a breathtaking pair of clusters, each containing supergiant suns – will be there. Follow the links inside to learn more.
If you’re in the Northern Hemisphere, try looking northeast this evening for two prominent constellations, Cassiopeia and Perseus. The easier to see will be Cassiopeia, which has a distinctive M or W shape. Cassiopeia represents a queen in ancient mythology, and is one of the most famous constellations in the sky. You’ll see it in the northeast this evening, and higher up in the evening sky in late fall and winter.