New membrane mirrors for large space-based telescopes
Thursday, 06 April 2023 14:19![](/plugins/content/jlexcomment/assets/icon.png)
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How to follow the Juice launch live
Thursday, 06 April 2023 13:30![](/plugins/content/jlexcomment/assets/icon.png)
![Juice lifts off into space (artist's impression)](https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2023/01/juice_lifts_off_into_space_artist_s_impression/24680390-1-eng-GB/Juice_lifts_off_into_space_artist_s_impression_card_full.jpg)
ESA’s Jupiter Icy Moons Explorer mission, Juice, is planned for launch at 13:15 BST/14:15 CEST on 13 April from Europe’s Spaceport in French Guiana. Here’s how to follow the key milestones online.
Webb scores another ringed world with new image of Uranus
Thursday, 06 April 2023 13:00![](/plugins/content/jlexcomment/assets/icon.png)
![Zoomed-in image of Uranus](https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2023/04/zoomed-in_image_of_uranus/24815460-1-eng-GB/Zoomed-in_image_of_Uranus_card_full.jpg)
Webb’s infrared image highlights the planet’s dramatic rings and dynamic atmosphere. Following in the footsteps of the Neptune image released in 2022, the NASA/ESA/CSA James Webb Space Telescope has taken a stunning image of the solar system’s other ice giant, the planet Uranus. The new image features dramatic rings as well as bright features in the planet’s atmosphere.
Untangling the ocean biological carbon pump
Thursday, 06 April 2023 12:38![](/plugins/content/jlexcomment/assets/icon.png)
![Shetland bloom](https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2023/04/shetland_bloom/24818177-1-eng-GB/Shetland_bloom_card_full.jpg)
They may be microscopic, but their ability to sequester carbon is phenomenal. We are talking phytoplankton – and scientists working on a project funded by ESA are assessing different aspects of the role that these tiny plants play in the ocean carbon cycle to better understand climate processes.
Startup aims to fill technology gaps in space warfare
Thursday, 06 April 2023 12:13![](/plugins/content/jlexcomment/assets/icon.png)
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True Anomaly, formed a year ago to focus on the national security market, announced April 6 it has raised $30 million in pre-seed, seed, and Series A funding.
JUICE Pre-Launch Press Briefing
Thursday, 06 April 2023 12:00![](/plugins/content/jlexcomment/assets/icon.png)
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ESA’s JUpiter ICy moons Explorer (Juice) will launch from Europe’s Spaceport at Kourou in French Guiana on Thursday 13 April 2023. Watch the replay of this online media briefing to hear more about the mission and the launch itself. Participants will include Olivier Witasse, Juice Project Scientist ; Ruedeger Albat, Head of Ariane 5 Programme at ESA and Alessandro Atzei, Payload System Engineer.
Practice makes perfect
Thursday, 06 April 2023 11:53![](/plugins/content/jlexcomment/assets/icon.png)
![Practice makes perfect](https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2023/04/practice_makes_perfect/24820257-1-eng-GB/Practice_makes_perfect_card_full.jpg)
Beam-hopping JoeySat ready for launch
Thursday, 06 April 2023 11:40![](/plugins/content/jlexcomment/assets/icon.png)
![Beam-hopping JoeySat ready for launch](https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2023/04/beam-hopping_joeysat_ready_for_launch/24819821-1-eng-GB/Beam-hopping_JoeySat_ready_for_launch_card_full.jpg)
An advanced broadband satellite that will provide high-speed internet connectivity from low Earth orbit has left OneWeb Florida Facilities to Vandenberg launch pad.
Jupiter’s radiation belts – and how to survive them
Thursday, 06 April 2023 10:07![](/plugins/content/jlexcomment/assets/icon.png)
![Jupiter’s magnetic environment](https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2023/04/jupiter_s_magnetic_environment/24817415-1-eng-GB/Jupiter_s_magnetic_environment_card_full.gif)
ESA’s Jupiter Icy Moons Explorer, Juice, is headed to the largest structure in the Solar System – not the gas giant itself but the mammoth magnetic field that it generates. Its exact size varies with the solar wind, but Jupiter’s magnetosphere is on average 20 million kilometres across, which is about 150 times wider than its parent planet and almost 15 times the diameter of the Sun. But within that field lurks a clear and present danger to space missions – intense belts of radiation much more energetic and intense than Earth’s own Van Allen belts.
Loft Orbital orders 15 more buses from Airbus OneWeb Satellites
Thursday, 06 April 2023 10:04![](/plugins/content/jlexcomment/assets/icon.png)
![Airbus OneWeb Satellites bus](https://i0.wp.com/spacenews.com/wp-content/uploads/2023/04/arrow-bus.jpg?fit=300%2C157&ssl=1)
Loft Orbital has ordered an additional 15 satellite buses from Airbus OneWeb Satellites to meet growing demand for its standardized space platforms.
Europe’s biggest test chamber for space antennas takes shape
Thursday, 06 April 2023 09:43![](/plugins/content/jlexcomment/assets/icon.png)
![Building Hertz 2.0](https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2023/04/building_hertz_2.0/24816697-1-eng-GB/Building_Hertz_2.0_card_full.jpg)
Antennas and radio frequency systems for space are growing larger and more powerful, so to keep pace ESA’s ground-based test facilities are scaling up too. A construction project underway beside the dunes of the North Sea marks the expansion of the ESTEC technical centre in the Netherlands with the addition of Europe’s largest antenna and radio-frequency payload test chamber – Hertz 2.0.
China invites Venezuela to join moon base project
Thursday, 06 April 2023 07:59![](/plugins/content/jlexcomment/assets/icon.png)
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China has invited Venezuela to join its lunar research station project as the country works to gain partners for the endeavor.
NASA Earth science hosted payload set for launch on Intelsat satellite
Thursday, 06 April 2023 01:31![](/plugins/content/jlexcomment/assets/icon.png)
![Intelsat 40e (IS-40e) being prepared for launch](https://i0.wp.com/spacenews.com/wp-content/uploads/2023/04/is40e.jpg?fit=300%2C169&ssl=1)
The upcoming launch of a NASA Earth science instrument on a commercial communications satellite illustrates the promise of, but also the problems with, hosted payloads.
Space Development Agency’s first satellite launch hailed as model
Wednesday, 05 April 2023 22:04![](/plugins/content/jlexcomment/assets/icon.png)
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The successful launch of Tranche 0 satellites took place 27 months after SDA, an agency under the U.S.
Space Force embraces unconventional ways to attract and retain talent
Wednesday, 05 April 2023 19:45![](/plugins/content/jlexcomment/assets/icon.png)
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As the smallest branch of the U.S.