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Gateway's propulsion system testing throttles up

Thursday, 05 September 2024 15:14
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Gateway's propulsion system testing throttles up
Credit: NASA

The powerhouse of Gateway, NASA's orbiting outpost around the moon and a critical piece of infrastructure for Artemis, is in the midst of several electric propulsion system tests.

The Power and Propulsion Element (PPE), being manufactured by Maxar Technologies, provides Gateway with power, high-rate communications, and for maneuvers around the moon and to transit between different orbits.

The PPE will be combined with the Habitation and Logistic Outpost (HALO) before the integrated spacecraft's launch, targeted for late 2024 aboard a SpaceX Falcon Heavy. Together, these elements will serve as the hub for early Gateway crewed operations and various science and technology demonstrations as the full Gateway station is assembled around it in the coming years.

In this image, PPE engineers successfully tested the integration of Aerojet Rocketdyne's with Maxar's power procession unit and Xenon Flow Controller.

Provided by NASA

Citation: Gateway's propulsion system testing throttles up (2024, September 5) retrieved 8 September 2024 from https://phys.org/news/2024-09-gateway-propulsion-throttles.html
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Four Galileo satellites

The two new Galileo satellites launched in April have entered service, completing the second of three constellation planes. With every addition to the constellation, the precision, availability and robustness of the Galileo signal is improved. The next launch is planned in the coming weeks and the remaining six Galileo First Generation satellites will join the constellation in the next years.

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Outer solar system more populated than previously thought
The Subaru Telescope (left) and New Horizons spacecraft (right). Credit: NAOJ/Southwest Research Institute

Survey observations using the Subaru Telescope's ultra-widefield prime focus camera have revealed that there may be a population of small bodies further out in the Kuiper Belt waiting to be discovered.

The results, which are important for an understanding of the formation of the solar system, were obtained through an between the Subaru Telescope and the New Horizons spacecraft traveling through the .

NASA's New Horizons spacecraft was launched in 2006 with the critical mission of observing the surfaces of outer solar system bodies up close for the first time in human history; it successfully completed a flyby of the Pluto system in 2015, and in 2019 it made a flyby of one of the Kuiper Belt objects, (486958) Arrokoth.

There have been five spacecraft that have flown to the outer solar system (including New Horizons), but New Horizons is the only spacecraft that has flown through the Kuiper Belt while observing Kuiper Belt objects.

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BepiColombo’s fourth Mercury flyby

The ESA/JAXA BepiColombo mission has successfully completed its fourth of six gravity assist flybys at Mercury, capturing images of two special impact craters as it uses the little planet’s gravity to steer itself on course to enter orbit around Mercury in November 2026.

The closest approach took place at 23:48 CEST (21:48 UTC) on 4 September 2024, with BepiColombo coming down to around 165 km above the planet’s surface. For the first time, the spacecraft had a clear view of Mercury’s south pole.

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Blue Origin
Credit: Unsplash/CC0 Public Domain

Blue Origin has only 40 days to go to be ready for its first launch of its heavy lift New Glenn rocket, but has a lot of boxes to tick before liftoff.

That includes a test fire in the coming days of the rocket's second stage, which the company rolled out to the pad Tuesday at Cape Canaveral Space Force Station's Launch Complex 36.

Jeff Bezos' rocket company is targeting Oct. 13 for liftoff of NG-1, a mission to send a pair of satellites built by fellow rocket company RocketLab on a mission for NASA to Mars called ESCAPADE, which stands for Escape and Plasma Acceleration and Dynamics Explorers.

"We're looking forward to firing up those two BE-3Us on New Glenn's second stage in a few days," the company posted on X after the hardware's trip to the pad.

When it launches, the second stage and its engines will be tasked with deploying the twin ESCAPADE spacecraft on an 11-month trip to the Red Planet where they will study Mars' plasma and magnetic fields.

The launch, though, will be the culmination of years of development for New Glenn, which is constructed at Blue Origin's nearby factory on Merritt Island.

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Small, harmless asteroid burns up in Earth's atmosphere over the Philippines
In this photo grabbed from a video, a space rock dubbed 2024 RW1 is seen over Progressive village, Gonzaga, Cagayan province, Philippines, early Thursday September 5, 2024. Credit: Allan G. Madelar via AP

A small asteroid discovered on Wednesday harmlessly burned up in Earth's atmosphere the same day, NASA said.

The asteroid—about 3 feet (1 meter) across—was spotted by astronomers in Arizona and broke apart over the coast of the Philippines hours after the discovery.

This , dubbed 2024 RW1, is only the ninth to have been spotted before its impact. Asteroids around this size hurtle toward Earth about every two weeks without posing any danger.

The asteroid was discovered through the Catalina Sky Survey, which is run by the University of Arizona and funded by NASA.

Sentinel-2C launch highlights

Thursday, 05 September 2024 06:00
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Video: 00:14:09

The Copernicus Sentinel-2C satellite lifted off on 5 September at 03:50 CEST (4 September 22:50 local time) aboard the last Vega rocket, flight VV24, from Europe’s Spaceport in French Guiana.

Sentinel-2C will continue the legacy of delivering high-resolution data that are essential to Copernicus – the Earth observation component of the EU Space Programme. Developed, built and operated by ESA, the Copernicus Sentinel-2 mission provides high-resolution optical imagery for a wide range of applications including land, water and atmospheric monitoring.

Sentinel-2C was the last liftoff for the Vega rocket – after 12 years of service this was the final

Farewell to Vega

Thursday, 05 September 2024 03:13

Sentinel-2C joins the Copernicus family in orbit

Thursday, 05 September 2024 02:15
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Sentinel-2C takes to the skies

The third Copernicus Sentinel-2 satellite launched today aboard the final Vega rocket from Europe’s Spaceport in French Guiana. Sentinel-2C will continue providing high-resolution data that is essential to Copernicus – Europe’s world leading Earth observation programme.

Sentinel-2C launched into orbit on 5 September at 03:50 CEST (4 September 22:50 local time) and separated from the Vega rocket at approximately 04:48 CEST.

Last Vega with Sentinel-2C on the launch pad

Thursday, 05 September 2024 00:37
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Last Vega with Sentinel-2C on the launch pad Image: Last Vega with Sentinel-2C on the launch pad
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