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Gaia-4b adn 5b: Radial Velocity Confirmation of Gaia Astrometric Orbital solutions Reveal a Massive Planet and a Brown Dwarf Orbiting Low-mass Stars
The Astronomical Journal, 2025; 169 (2): 107
A Fluffy ‘Marshmallow’ World Has been Discovered With Incredibly Low Density
Its called TOI-3757b, and it’s a gas giant orbiting a red dwarf star in the constellation of Auriga, about 580 light-years away. TOI-3757b was detected using the TESS space telescope, which finds exoplanets by detecting the regular dips in light caused by the planet passing in front of the star.
Spacecraft finds a positively enormous planet 12 times Jupiter’s mass
The number of confirmed exoplanets has tipped 5,800, according to NASA, with thousands of additional candidates under review. The growing tally is a tiny sampling of planets in space. With hundreds of billions of galaxies, the universe probably teems with many trillions of stars.
Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days.
Matthew Standing,a researcher in ESA’s solar planet,revealed that “this revelation is just the tip of the iceberg of the planets from the Gaia data.We expect to meet many more in the future.” ESA prepares to reveal new sets of information from the Gaia vehicle in 2026 and indicate that it may lead to thousands of other informal planets.
The research was published in The Astrophysical Journal on 4 February 2025.
!ESA / GAIA / DPAC / M. Marcussen
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Facebook’s New Privacy Policy: What You Need to Know
In a move that has sent ripples through the digital world, Facebook has announced a meaningful update to its privacy policy. This change comes as the social media giant continues to grapple with mounting concerns over user data protection and privacy. The new policy, set to take effect on january 1, 2022, aims to provide users with more control over their personal information. Though, it also raises questions about how the company will handle data and what implications this might have for users.
Key Changes in the New Privacy Policy
Facebook’s updated privacy policy introduces several key changes designed to enhance clarity and user control. Here are some of the most notable adjustments:
- Data Control Center: Facebook is rolling out a new Data Control Center, which will allow users to manage their data more effectively. This includes options to download their information, delete it, and set preferences for data sharing.
- Enhanced Privacy Settings: Users will have more granular control over who can see their posts and personal information.This includes the ability to limit data sharing with third-party apps and services.
- Clearer Explanations: Facebook is providing more detailed explanations of how it collects, uses, and shares user data. This includes clearer language about data collection for advertising purposes.
- Consolidated Terms: The new policy consolidates various terms and conditions into a single, more accessible document. This aims to simplify the user experience and make it easier for people to understand their rights and obligations.
Implications for Users
While these changes are designed to give users more control, they also raise critically important questions about data privacy and security. Here are some implications to consider:
increased Transparency
One of the most significant benefits of the new policy is increased transparency. Facebook is making it clearer how it collects and uses data, which can help users make more informed decisions about their online activities. This transparency is crucial in an era where data breaches and misuse of personal information are all too common.
Enhanced Control
The new Data Control Center gives users more power over their data. This includes the ability to delete information or limit its sharing with third parties. This enhanced control can help users protect their privacy and reduce the risk of data misuse.
Potential Concerns
Despite these benefits, there are also potential concerns. Critics argue that facebook’s track record on privacy is mixed, and some users might potentially be skeptical about the company’s ability to protect their data effectively. Additionally, the new policy might potentially be complex and confusing for some users, especially those who are less tech-savvy.
How to Prepare for the Changes
as the new privacy policy takes effect, users can take several steps to prepare and ensure their data is protected:
- Review Your Privacy Settings: Take the time to review and adjust your privacy settings to ensure they align with your preferences. This includes controlling who can see your posts and managing data sharing with third-party apps.
- Use the Data Control Center: Familiarize yourself with the new Data Control Center and use it to manage your data. This includes downloading and deleting information as needed.
- Stay informed: Keep up to date with Facebook’s privacy policies and practices. this can help you stay informed about any future changes and ensure you are taking the necessary steps to protect your data.
Conclusion
Facebook’s new privacy policy represents a significant shift in how the company handles user data. While the changes aim to provide users with more control and transparency, they also raise important questions about data privacy and security. As the policy takes effect,users should take the time to review and adjust their settings to ensure their data is protected. By doing so, they can take an active role in managing their online privacy and protecting their personal information.
Key Points Summary
| Feature | Description |
|————————–|—————————————————————————–|
| Data Control Center | Allows users to manage their data, including downloading and deleting information. |
| Enhanced Privacy Settings| Provides more granular control over who can see posts and personal information. |
| Clearer Explanations | Offers detailed explanations of data collection, use, and sharing.|
| Consolidated Terms | Simplifies the terms and conditions into a single,accessible document. |
For more information on Facebook’s new privacy policy, visit the Facebook Help Center.
Stay informed and take control of your online privacy today!
Exoplanet Discoveries: Interview with matthew Standing
Its called TOI-3757b, and it’s a gas giant orbiting a red dwarf star in the constellation of Auriga, about 580 light-years away. TOI-3757b was detected using the TESS space telescope, which finds exoplanets by detecting the regular dips in light caused by the planet passing in front of the star.
Spacecraft finds a positively enormous planet 12 times Jupiter’s mass
The number of confirmed exoplanets has tipped 5,800, according to NASA, with thousands of additional candidates under review. The growing tally is a tiny sampling of planets in space. With hundreds of billions of galaxies, the universe probably teems with many trillions of stars.
Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days.
Matthew Standing, a researcher in ESA’s solar planet, revealed that “this revelation is just the tip of the iceberg of the planets from the gaia data. We expect to meet many more in the future.” ESA prepares to reveal new sets of details from the Gaia vehicle in 2026 and indicate that it may lead to thousands of other informal planets.
The research was published in The Astrophysical Journal on 4 February 2025.
Refer:
Facebook’s New Privacy Policy
Facebook has recently implemented a range of new privacy features to enhance user control over their data:
- Data Control Center – Allows users to manage their data, including downloading and deleting information.
- Enhanced privacy Settings – Provides more granular control over who can see posts and personal information.
- Clearer Explanations – offers detailed explanations of data collection, use, and sharing.
- Consolidated Terms – Simplifies the terms and conditions into a single, accessible document.
For more information on Facebook’s new privacy policy, visit the Facebook Help Center.
Stay informed and take control of your online privacy today!
