June’s full moon, which is the last full moon of spring or the first of summer, is traditionally called the Strawberry Moon.
This full moon brings with it a penumbral eclipse, which occurs when the moon crosses through the faint outer edge of Earth’s shadow (the penumbra), making part of the moon appear slightly darker than usual. Unlike a full lunar or solar eclipse, the visual effect of a penumbral eclipse is usually so minimal that it can be difficult to see.
This eclipse was only visible from parts of Australia, Asia, Africa, Europe, and South America, but not from North America.
The tradition of naming moons is rich in history. According to the Old Farmer’s Almanac, the name, Strawberry moon, originated with Algonquin tribes in eastern North America who knew it as a signal to gather the ripening fruit of wild strawberries.
Other names for this moon include the Honey Moon and the Mead Moon. It has also been called the Rose Moon, as many roses begin blooming in June.
Historically, full moon names were used to track the seasons and, for this reason, often relate closely to nature. The moon names used today come from Native American and Colonial-era sources. Traditionally, each full moon name was applied to the entire lunar month in which it occurred, rather than just the full moon itself.
Hope Mars mission: How to watch the UAE make history Tuesday – MSN Money
The United Arab Emirates will head to Mars for the first time on Tuesday. From Tanegashima, a Japanese island in the north Pacific ocean, a Mitsubishi H-IIA booster will carry a car-sized probe known as “Al Amal,” or “Hope,” to space — and onto the red planet.
The probe is expected to reach orbit around the red planet in early 2021. It’s designed to give a full picture of the Martian atmosphere, offering a holistic view of how Mars’ climate varies during the year.
How to watch the Hope probe launch to Mars
The launch from Tanegashima, Japan, opens Tuesday, July 14, at 1:51 p.m. PT. It’ll launch on a Mitsubishi H-IIA booster. The rocket isn’t quite as famous as the likes of SpaceX’s Falcon 9 or Falcon Heavy rockets, but it does have a great launch history, with over 40 successful launches under its belt, mostly of Japanese satellite systems.
The Mohammed bin Rashid Space Centre will carry a livestream of the launch from Japan, which you can watch via this link. Or, tune into the livestream below:
One big hope
Hope is the first interplanetary mission led by an Arab, Muslim-majority country and, if successful, will add another nation to the list of Martian explorers.
“The intent was not to put a message or declaration to the world,” Sarah Al Amiri, chair of the UAE Council of Scientists and deputy project manager for the Emirates Mars Mission, told CNET in March. “It was, for us, more of an internal reinforcement of what the UAE is about.” The historic launch is set to be livestreamed across the globe.
The satellite will study the connections between Mars’ lower and upper atmosphere and examine what causes the loss of hydrogen and oxygen into space. It’ll collect data for two years after achieving its orbit around Mars in February 2021. There’s an option to extend the mission to 2025.
Aboard Hope are three instruments which will enable the probe to study the Martian atmosphere more intensely. There’s a high-resolution camera known as the Emirates eXploration Imager (EXI), a UV imager known as the Emirates Mars Ultraviolet Spectrometer (EMUS), and a scanning infrared imager dubbed the Emirates Mars InfraRed Spectrometer (EMIRS).
New Class of Radio-Astronomical Objects Discovered: Odd Radio Circles | Astronomy – Sci-News.com
An international team of astronomers has discovered an unexpected new class of radio-astronomical objects, consisting of a circular disk, which in some cases is limb-brightened, and sometimes contains a galaxy at its center. Named ‘Odd Radio Circles,’ these objects do not seem to correspond to any known type of astronomical object.
Circular features are well-known in radio-astronomical images, and usually represent a spherical object such as a supernova remnant, a planetary nebula, a shell around a star, or a face-on disk such as a protoplanetary disk or a star-forming galaxy.
They may also arise from imaging artifacts around bright astronomical objects.
Western Sydney University and CSIRO astronomer Ray Norris and his colleagues report the discovery of a class of circular feature in radio images that do not seem to correspond to any of these known types of object or artifact, but rather appear to be a new class of astronomical object.
“For brevity, and lacking an explanation for their origins, we dub these objects Odd Radio Circles (ORCs),” they said.
The researchers spotted three ORCs — named ORCs 1, 2 and 3 — in images from the Pilot Survey of the Evolutionary Map of the Universe, which is an all-sky continuum survey using the Australian Square Kilometre Array Pathfinder telescope (ASKAP).
All four ORCs are similar in displaying a strong circular symmetry and none of them have obvious counterparts in optical, infrared and X-ray wavelengths.
They differ in that two of them have a central galaxy while two do not, and three of them (ORCs 1, 2 and 4) consist of a partly filled ring while one (ORC 3) seems to be a uniform disk. There is also the puzzling fact that two of them are very close together, implying that these two ORCs have a common cause.
If the central galaxy in ORC 4 is associated with the ring, then the ring is 4.2 billion light-years away and has a size of 1.1 by 0.9 million light-years.
“We consider it likely that the ORCs represent a new type of object found in radio-astronomical images,” the scientists said.
“The edge-brightening in some ORCs suggests that this circular image may represent a spherical object, which in turn suggests a spherical wave from some transient event.”
“Several such classes of transient events, capable of producing a spherical shock wave, have recently been discovered, such as fast radio bursts, gamma-ray bursts, and neutron star mergers. However, because of the large angular size of the ORCs, any such transients would have taken place in the distant past.”
“It is also possible that the ORCs represent a new category of a known phenomenon, such as the jets of a radio galaxy or blazar when seen end-on, down the ‘barrel’ of the jet.”
“Alternatively, they may represent some remnant of a previous outflow from a radio galaxy.”
“However, no existing observations of this phenomenon closely resemble the ORCs in features such as the edge-brightening or the absence of a visual blazar or radio galaxy at the center.”
“We also acknowledge the possibility that the ORCs may represent more than one phenomenon,” they added.
“Further work is continuing to investigate the nature of these objects.”
Ray P. Norris et al. 2020. Unexpected Circular Radio Objects at High Galactic Latitude. Nature Astronomy, submitted for publication; arXiv: 2006.14805
UAE's Mars orbiter launch from Japan delayed by weather – ThePeterboroughExaminer.com
TOKYO – The liftoff of the United Arab Emirates’ Mars orbiter was postponed until Friday due to bad weather at the Japanese launch site.
The orbiter named Amal, or Hope, is the Arab world’s first interplanetary mission. The launch was scheduled for Wednesday from the Tanegashima Space Center in southern Japan, but the UAE mission team announced the rescheduled date on Twitter.
Mitsubishi Heavy Industries’ H-IIA rocket will carry UAE’s craft into space. Mitsubishi launch official Keiji Suzuki had said on Monday a postponement was possible as intermittent lightning and rain were forecast over the next few days.
Heavy rain has fallen for more than a week in large areas of Japan, triggering mudslides and floods and killing more than 70 people, most of them on the southern main island of Kyushu.
Hope is set to reach Mars in February 2021, the year the UAE celebrates 50 years since its formation. A successful Hope mission would be a major step for the oil-dependent economy seeking a future in space.
Hope carries three instruments to study the upper atmosphere and monitor climate change and is scheduled to circle the red planet for at least two years.
Emirates Mars Mission Project Director Omran Sharaf, who joined Monday’s briefing from Dubai, said the mission will provide a complete view of the Martian atmosphere during different seasons for the first time.
Two other Mars missions are planned in coming days by the U.S. and China. Japan has its own Martian moon mission planned in 2024.
Follow Mari Yamaguchi on Twitter at https://www.twitter.com/mariyamaguchi
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