If you’ve noticed Mars getting brighter and possibly larger, that’s because Mars is only 47 million miles away. Tonight is the closest we will get, but no worries if your sky is cloudy it will remain pretty bright for a while.
The finders chart is at 23:50 (your local time) and is based on the northern hemisphere.
No the moon won’t actually be a blue color, in fact if you are in eastern Canada or portions of the US the moon might look red (it did this morning) thanks to the terrible wildfires in eastern Alberta Canada. Terrible for the people of Fort McMurray.
If the moon isn’t really blue then why the name? Good question. The Online Etymology Dictionary has it from 1821 as a specific term in the sense “very rarely” and perhaps as far back to 1528: “Yf they say the mone is blewe, We must beleve that it is true.”
On 09 May 2016 there will be a transit of Mercury. Will you be able to see it? Check here. If it happens you are not able to view it, don’t worry there will be plenty of on-line sources, some of which I will post before hand.
Even if you do live in an area where the the transit is visible DO NOT LOOK AT THE SUN DIRECTLY WITHOUT THE AID OF A SAFE SOLAR FILTER.
Science@NASA put up a nice video with all the details:
Keep an eye out for local Yuri’s Night Celebrations, you probably have one near you (no matter where you are and it’s a good bet a scope will be on Jupiter and/or Saturn. Both are so worth the look if you’ve never seen them for yourself, especially Saturn – it is dazzling!
From the Cassini site:
It’s difficult to get a sense of scale when viewing Saturn’s rings, but the Cassini Division (seen here between the bright B ring and dimmer A ring) is almost as wide as the planet Mercury. (See PIA11142 for a labeled panorama of features in the rings.)
The 2,980-mile-wide (4,800-kilometer-wide) division in Saturn’s rings is thought to be caused by the moon Mimas. Particles within the division orbit Saturn almost exactly twice for every time that Mimas orbits, leading to a build-up of gravitational nudges from the moon. These repeated gravitational interactions sculpt the outer edge of the B ring and keep its particles from drifting into the Cassini Division.
This view looks toward the sunlit side of the rings from about 4 degrees above the ring plane. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Jan. 28, 2016.
The view was acquired at a distance of approximately 740,000 miles (1.2 million kilometers) from Saturn and at a Sun-Saturn-spacecraft, or phase, angle of 76 degrees. Image scale is 4 miles (7 kilometers) per pixel.
The month as opened with very nice skies, a bit cold in the mornings at -15 C. Despite the cold start April will feature at least a few (much) warmer conditions. I’m going to order a couple new of those reclining lawn chairs, and will enjoy the spring skies at a new location.
Fireballs are spectacular and this is a good time of year to see them. This particular fireball was reported to the American Meteor Society 45 times mostly from the UK with reports from France and the Netherlands as well.
The AMS website is a great place to look around and if you see a fireball you can leave a report.
March is a roller coaster month climatically, we do have a few comparatively warm nights which makes observing a lot more comfortable. We do tend to have more water vapour in the sky so “seeing” is sometimes erratic.
Hubble sets a new distance record in finding GN-z11, this galaxy has a redshift of 11.1, that’s amazing!
From Hubblesite: ough space, astronomers actually look back through time. Now, by pushing Hubble to its limits, an international team of astronomers has shattered the cosmic distance record by viewing the farthest galaxy ever seen. Named GN-z11, this surprisingly bright, infant galaxy is seen as it was 13.4 billion years in the past. The astronomers saw it as it existed just 400 million years after the big bang, when the universe was only three percent of its current age. At a spectroscopically confirmed redshift of 11.1, the galaxy is even farther away than originally thought. It existed only 200 million to 300 million years after the time when scientists believe the very first stars started to form. At a billion solar masses, it is producing stars surprisingly quickly for such an early time. This new record will most likely stand until the launch of Hubble’s successor, the James Webb Space Telescope, which will look even deeper into the universe for early galaxies.