Why is there space above the sky?

 Why is there space above the sky?

What else would there be?

Space is everywhere. Literally.

Space is just the enormous empty gap between ‘things’ in the universe. For example, below is a real photo showing the Earth (left) and the Moon (right):

All that blackness all around is empty space — there’s nothing there.

Our Earth is but a tiny blue speck in the infinite black emptiness of space. Here’s the Earth and the Moon again, as photographed in 2013 by a space probe near Saturn, hundreds of millions of miles away:

The entire universe consists of things like planets, moons, stars, galaxies and dust clouds — but the vast majority of these things are incredibly, unbelievably, unimaginably far apart. ‘Space’ is simply the vast emptiness that exist between and around them.

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Join the Sustainable Optoelectronics Research Group

 We have #PhD and #Master's openings! Join the Sustainable Optoelectronics Research Group (https://lnkd.in/g-jYCpJe) at Simon Fraser University, #Canada, and work on cutting-edge research in #Photovoltaics and #EnergyHarvesting. We're looking for highly qualified and driven individuals passionate about advancing #Renewable Energy technologies and interdisciplinary collaboration.

Positions:

- PhD Studentship in Wide-Bandgap Perovskites for Energy

Harvesting and Clean Fuels

- Master's Studentship in Indoor Light Harvesting for Powering Smart Building

Key non-negotiable requirements include:

- Demonstrated academic excellence with a cumulative grade point average of 80% or higher in all prior degrees.

- Availability to start in May 2025.

For more details and to apply, please visit our webpage:

https://lnkd.in/gX5FPXfu

How is Andromeda still 2.5 million light years away and the universe is expanding faster than light?

 People don’t realize how big the universe is. Andromeda is so close that gravity causes it to move towards us rather than away from us, and will collide with our galaxy in a billion years.

You have to look at galaxies 10x farther away to find that they are consistently moving away from us, and they are moving much slower than light. The farther away they are, the faster they go. If we can see it, though, it wasn’t going faster than light when it was emitted.

So is there any sense to the statement that the universe is expanding faster than light? There are certainly places in the universe we can’t see, which in theory are moving away faster than light. Also, if dark energy and the accelerated expansion of the universe is true, there are galaxies we can see now at the edge of visibility which are accelerating, and so will redshift into invisibility over billions of years and theoretically will be moving faster than light.

Hardiman Research Scholarships 2025 (PhD Positions)University of Galway, Ireland

 Title: Hardiman Research Scholarships 2025 (PhD Positions)

Location: University of Galway, Ireland

Eligibility:

- Open to high-achieving individuals with a passion for research and creativity.

- Applicants must be starting their PhD in September 2025.

Benefits:

- Fully funded four-year PhD.

- Annual stipend of €25,000.

- Tuition fees fully covered.

Application Process:

- Find a Supervisor

- Complete Application

- Academic References

Deadline: 7 February 2025 (17:00 Irish Time).

Link for More Information: https://lnkd.in/dMDNMPFq

Visit www.researcho.ai for more such opportunities. If you find this helpful, follow Janki Shah, PhD and share it within your research network.

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Energy Materials Lab in the Department of Materials Science and Engineering at Tel Aviv University

 Interested in materials for energy storage and conversion?

Candidates interested in applying for an MSc/PhD are welcome to apply to the Energy Materials Lab in the Department of Materials Science and Engineering at Tel Aviv University.

Two projects include:

1) Nanoparticle growth via solid-phase crystalization as catalysts for enhanced ammonia cracking and direct-ammonia solid-oxide fuel cells

2) Operando X-ray study of semi-solid flow batteries

Applicants should possess a BSc/MSc degree in Materials Science or Chemical Engineering.

Interested applicants can contact me at:

barosen@post.tau.ac.il

University of Alberta Scholarships 2025 in Canada (Fully Funded)

 University: University of Alberta

Degree level: Undergraduate, Masters, PhD

Scholarship coverage: Fully Funded

Eligible nationality: All Nationalities

Award country: Canada

Last Date: 1 March 2025

Apply Link: https://lnkd.in/dctruum3

PhD and Research positions University of Sheffield

 70 PhD & Research positions are available at University of Sheffield (UK):

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The University of Sheffield