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Credit: CC0 Public Domain

Two NAU astronomers presented groundbreaking research at the annual meeting of the Division for Planetary Sciences, a branch of the American Academy of Sciences.

Where does Earth's water come from?

A Northern Arizona University researcher who studies , which are rare asteroids with comet-like tails, presented groundbreaking research today at the annual meeting of the Division for Planetary Sciences, a branch of the American Academy of Sciences.

Colin Chandler, a doctoral student in the Department of Astronomy and Planetary Science at Northern Arizona University and recipient of the NSF Graduate Research Fellowship, presented "Recurrent activity from a Main Belt Comet."

Active asteroids hold clues about the origins of water on Earth and where water can be found today in the solar system. Fewer than 30 of these objects have been discovered since 1949. Most recently, asteroid (248370), also known as 2005 QN173, was found to be active on July 7. Chandler began digging into historical astronomical data to learn more about the object's past, and he and co-authors Chad Trujillo of NAU and Henry Hsieh of the Planetary Science Institute discovered an image from July 2016 that showed the object with a long, thin tail.

NGA broke ground on the St. Louis campus in November 2019 and expects to open for business in 2025

SpaceNews

Inspiration4 crew

While the exclusive footage and the interviews were fascinating, Netflix's "Countdown: Inspiration4 Mission to Space" docuseries lacks drama. By the time the final episode was released, the crew had been safely back for a week and a half.

NASA Spacecraft Takes a Picture of Jupiter … From the Moon
Credit: NASA

You may know the feeling of seeing Jupiter through your own telescope. If it gives you the chills—like it does for me—then you'll know how the team for the Lunar Reconnaissance Orbiter felt when they turned their spacecraft around—yes, the orbiter that's been faithfully circling and looking down at the Moon since 2008—and saw the giant planet Jupiter with their camera. If you zoom in on the picture, you can even see Jupiter's Galilean moons.

Usually, LRO takes stunning, high-resolution images of the lunar surface, including details of the Apollo landing sites. But recently, the LRO team used some high-powered calculations and to use its Lunar Reconnaissance Orbiter Camera (LROC) to scan the area of the sky where Jupiter was going to be, about 600 million km away.

They hit the jackpot.

While it's not Hubble Space Telescope quality, the fact this image was taken from a spacecraft orbiting 100 km above the lunar surface is a true feat of engineering.

"We took a pic of Jupiter from the Moon last month," said LRO team member Brett Denevi on Twitter.

The torrid pace of investment and acquisitions involving space companies this year is unlikely to continue next year, but investors and bankers are still optimistic about the long-term growth prospects for the industry.

SpaceNews

Kleos Space presented a technical paper at the GEOINT 2021 Symposium that highlighted better-than-expected performance of RF reconnaissance satellites.

SpaceNews

Eutelsat says it will own nearly 23% of OneWeb, the second largest stake behind Bharti Global's 30% share of the company once the transaction closes.

SpaceNews

Earth observation company Satellogic announced Oct. 6 it will be using Amazon’s ground station service to control its satellites and download data from space.

SpaceNews

Honda says its core automotive technologies for combustion, fluid, remote control and guidance will be applied to a rocket it aims to test launch by 2030.

SpaceNews

Imaging model satellite in space-like lighting conditions

Movie special effects fans like to debate CGI versus traditional model effects – an issue about which competing AIs will soon gain direct experience. Trained upon computer-generated images of satellites, AIs will go on to judge the position and orientation of realistic mockups snapped in space-like lighting conditions.

The National Geospatial-Intelligence Agency has launched several initiatives to team up with the private sector and make it easier for new entrants to do business with the government

SpaceNews

A step toward making GPS more resilient to space weather
A layer of charged particles, known as the ionosphere, surrounds Earth, shown in purple (not to scale) here. Satellite signals may be disrupted when they pass through irregularities in the charged plasma that makes up Earth’s ionosphere. A new mathematical model accurately captures those disruptions. Credit: NASA’s Goddard Space Flight Center/Duberstein

Societies around the world now depend on satellite-based navigation systems, such as GPS, for a multitude of applications, including transportation, agriculture, military munitions, emergency services, and social networking, among others.

Collar

The CEO of satellite operator SES says consolidation of the satellite industry is more likely than ever to improve its overall return on investment, but that the structure of the industry might hinder such deals.

Visitors with disabilities at ESA Open Day

Wednesday, 06 October 2021 08:29
Visitors with disabilities at ESA Open Day Image: Visitors with disabilities at ESA Open Day

A European push to the Moon

Wednesday, 06 October 2021 07:30
Video: 00:03:50

The European Space Agency is playing a vital role in humankind’s return to the Moon. In a few months NASA will launch Artemis I from the Kennedy Space Center. The uncrewed mission will carry NASA’s Orion spacecraft incorporating ESA’s European Service Module (ESM-1), built and tested by Airbus Bremen, in Germany, with the help of 10 European nations. ESM-1’s main engine and 32 thrusters will propel Orion into orbit around the Moon and return it to Earth.

As Artemis I prepares for launch, the second European Service Module (ESM-2) is about to ship to the US with ESM-3

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