Posted on by Evan Gough

See a Simulation of the Moon for Every Day in 2019

NASA's Visualization Studio has released its yearly moon simulation viewer. Image: NASA
NASA's Visualization Studio has released its yearly moon simulation viewer. Image: NASA

It’s always easier to show someone a picture of something rather than to use 1,000 words to explain it. The people at NASA’s Scientific Visualization Studio (SVS) know this, and they’re experts. Every year they release a simulation of the Moon that shows what the Moon will look like to us each day.

NASA’s Moon simulator uses images and data captured by the Lunar Reconnaissance Orbiter (LRO) to recreate the Moon on each hour of each day of each month in 2018. You can input any date and time to view the Moon (Dial-a-Moon) as it will appear at that time. You can also watch a video of the Moon over the course of the entire year. Along the way, you might learn something.

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Posted on by Matt Williams

The Pictures are Here! New Horizons Close Up View of 2014 MU69

This image taken by the Long-Range Reconnaissance Imager (LORRI) is the most detailed of Ultima Thule returned so far by the New Horizons spacecraft. It was taken at 5:01 Universal Time on January 1, 2019, just 30 minutes before closest approach from a range of 18,000 miles (28,000 kilometers), with an original scale of 730 feet (140 meters) per pixel. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

On December 31st, 2018, NASA and the New Horizon‘s team (plus millions of people watching the live stream at home) rang in the New Year by watching the New Horizons mission make the first rendezvous in history with a Kuiper Belt Object (KBO). About thirty minutes after the probe conducted its flyby of Arrokoth (2014 MU69), the mission controllers were treated to the first clear images ever taken of a KBO.

Since the first approach photographs were released (which were pixilated and blurry), the New Horizons team has released new images from the spacecraft that show Ultimate Thule in color and greater detail. It’s appearance, which resembles that of a snowman, beautifully illustrates the kinds of processes that created our Solar System roughly four and a half billion years ago.

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Posted on by Matt Williams

India is Going to be Sending Three People to Space in Three Years

GSLV-MK3-D1 lifting off from its launch pad at the Satish Dhawan Space Center. Credit: ISRO

One of the most notable features of the modern space age is the way that new participants are entering the fray. In addition to the traditional contenders – NASA and Roscosmos – China has become a major player in space in recent decades. And in 2022, according tor recent statements, India will join the club too when it becomes the fourth nation to send a crewed mission to space.

During a cabinet-level meeting that took place on Friday, Dec. 25th, the government of India announced that the Indian Space Research Organization‘s (ISRO) first crewed mission to space will consist of a three-astronaut team being sent to orbit. The government also announced that they had a approved a budget of $1.4 billion to fund the development of the requisite technology and infrastructure for the program.

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Posted on by David Dickinson

Quadrantid Meteors Kickoff a Busy January 2019

Quads
A few Quadrantid meteors streak by the Moon in 2012. Image credit and copyright: John Chumack.

Happy New Year! The beginning of the first month of the year is always a busy one for astronomy, and January 2019 is no different, as the Earth reaches perihelion, the Quadrantid meteors peak, and a partial solar eclipse crosses the Pacific… all this week. Continue reading “Quadrantid Meteors Kickoff a Busy January 2019”

Posted on by Susie Murph

Astronomy Cast Ep. 511: Predictions for 2019

We did it, we made it through 2018 in space. Now let’s look forward to the incredible launches, discoveries and astronomical events happening in 2019

We usually record Astronomy Cast every Friday at 3:00 pm EST / 12:00 pm PST / 20:00 PM UTC. You can watch us live on AstronomyCast.com, or the AstronomyCast YouTube page.

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Posted on by Matt Williams

Prototype Version of the SpaceX Starship with a Stainless Steel Skin is Under Construction

Sections of SpaceX's prototype Starship at the South Texas BFR testing facility. Credit: SpaceX

Elon Musk has been a busy man in recent years. In September of 2016, he unveiled his company’s plan for a super-heavy launch vehicle – the Interplanetary Transport System (ITS). The following year, Musk presented the world with an updated design of the vehicle, which had been renamed the Big Falcon Rocket (BFR) and the Big Falcon Spacecraft (BFS). This past November, the launch system was renamed yet again to the Starship.

Musk also recently indicated that his company would be building a smaller version of the Starship to test the design. As the mission architecture has evolved, Musk has kept the public apprised of the progress of the ship’s construction. As usual, the latest update was provided via Twitter, where Musk shared images of the pieces of the mini-Starship ( aka. Starship Alpha) being rolled out in preparation for construction.

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Posted on by Paul M. Sutter

A Guide to Hunting Zombie Stars

R Aquarii is called a symbiotic star system because of their relationship. As the white dwarf draws in material from the Red Giant, it ejects some if it in weird looping patterns, seen in this Hubble image. Image Credit: By Judy Schmidt from USA - Symbiotic System R Aquarii, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=63473035
R Aquarii is called a symbiotic star system because of their relationship. As the white dwarf draws in material from the Red Giant, it ejects some if it in weird looping patterns, seen in this Hubble image. Image Credit: By Judy Schmidt from USA - Symbiotic System R Aquarii, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=63473035

Apparently not all supernovas work. And when they fail, they leave behind a half-chewed remnant, still burning from leftover heat but otherwise lifeless: a zombie star. Astronomers aren’t sure how many of these should-be-dead creatures lurk in the interstellar depths, but with recent simulations scientists are making a list of their telltale signatures so that future surveys can potentially track them down.

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Posted on by Tammy Plotner

Messier 75 – the NGC 6864 Globular Cluster

Hubble image of the globular cluster known as Messier 75. Credits: NASA, ESA, STScI, and G. Piotto (Università degli Studi di Padova) and E. Noyola (Max Planck Institut für extraterrestrische Physik)

Welcome back to Messier Monday! Today, we continue in our tribute to our dear friend, Tammy Plotner, by looking at the globular cluster known as Messier 75!

During the 18th century, famed French astronomer Charles Messier noticed the presence of several “nebulous objects”  while surveying the night sky. Originally mistaking these objects for comets, he began to catalog them so that others would not make the same mistake. Today, the resulting list (known as the Messier Catalog) includes over 100 objects and is one of the most influential catalogs of Deep Space Objects.

One of these objects is Messier 75 (aka. NGC 6864), a globular cluster roughly 67,500 light years from Earth near the southern constellation Sagittarius. This object is also about 14,700 light years away from the Galactic Center, and on the located on the other side relative to Earth. Because of its distance and location, this object is virtually impossible to see binoculars and difficult to resolve with small telescopes. Continue reading “Messier 75 – the NGC 6864 Globular Cluster”

Posted on by Matt Williams

Russian Cosmonaut says that the Hole in the ISS was Drilled From the Inside

Image of the drill hole found aboard the Russian Soyuz MS-09 spacecraft by Expedition 57. Credit: NASA

Back in August, the crew of the International Space Station (ISS) was surprised to learn that a leak was responsible for a slight loss in air pressure aboard the station. After investigating, they learned that the cause was a small hole in the Russian Soyuz spacecraft that had docked with the ISS. While the hole was promptly sealed, the cause of it has remained a mystery ever since.

To determine a possible cause, and inspect the external hole on the spacecraft, the crew of Expedition 57 conducted an “unprecedented spacewalk” on Dec. 11th. After collecting samples from the outside of the craft, flight engineers Oleg Kononenko and Sergey Prokopyev concluded that the hole had been drilled from inside the capsule, a finding which raises even more questions.

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