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In this photo, NASA’s SLS (Space Launch System) rocket, carrying the Orion spacecraft, lifts off the pad at Launch Complex 39B at the agency’s Kennedy Space Center in Florida at 1:47 a.m. EST on Nov. 16, 2022. Set on a path to the Moon, this officially began the Artemis I mission. Since the completion of Orion’s […]
The decline in global freshwater reported in the study began with a massive drought in northern and central Brazil, and was followed shortly by a series of major droughts in Australasia, South America, North America, Europe, and Africa. Warmer ocean temperatures in the tropical Pacific from late 2014 into 2016, culminating in one of the […]
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It is important to stress again that at the outset that any suggestion of a spectacular meteor Leonid display this year is, to put it mildly, overly optimistic. Unless the Leonid meteor shower provides an unexpectedly rich shower at its maximum on Sunday morning (Nov. 17), this year’s display will be ruined by the moon, […]
The Coma Cluster is a particularly rich cluster that contains over a thousand known galaxies. Amateur astronomers can easily spot several of these in a backyard telescope (See Caldwell 35). Most of them are elliptical galaxies, and that’s typical of a dense galaxy cluster like the Coma Cluster: many elliptical galaxies form through close encounters […]
The white or blueish spots are six images of the same quasar created by the lensing effect of two galaxies, one appearing as the light patch in the centre and one as a red arc F. Dux et al. A chance alignment between two massive galaxies could help astronomers better measure the expansion of the […]
FRIDAY, NOVEMBER 15 ■ Mercury is still at the best and brightest it will be during its current low, mediocre evening apparition. As twilight fades, see if you can catch Mercury nearly two fists to the lower right of Venus in the southwest, as shown below. Mercury shines at magnitude –0.2 compared to Venus’s mag […]
There are a lot planets out there, and I’m quite sure that simple life forms exist, perhaps even within our own solar system. But the real question is: if these life forms aren't just simple organisms, are they less advanced than us, or are they more technologically advanced? Will they discover us first, or will […]
Spaceflight accelerates the symptoms of aging in astronaut bodies by inducing genomic instability, mitochondrial dysfunction, and increased inflammation. This is the first study to comprehensively examine biomarkers and pathways associated with spaceflight and terrestrial aging, frailty, and sarcopenia. Main Findings: Spaceflight induced notable changes in gene expression patterns related to frailty and muscle loss indicative […]
Both pieces of SpaceX’s Starship megarocket have made it to the launch pad ahead of their expected test flight on Monday (Nov. 18). SpaceX rolled Starship‘s huge first-stage booster, known as Super Heavy, out to the pad at its Starbase site in South Texas today (Nov. 14). The company documented the move via X, in […]