telescopes

A fiery star and planet in space with a powerful solar flare in the background of twinkling stars.

Violent eruptions from Proxima Centauri could endanger life on nearby planets

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New research using the ALMA telescope reveals that frequent and extremely intense bursts of radiation from Proxima Centauri could destroy the atmospheres of nearby planets and make them uninhabitable.
The European Space Agency's (ESA) Gaia satellite reveals the Large Magellanic Cloud in spectacular detail, using radiation mapping instead of photography to show its bright, massive stars and prominent star-forming regions, such as Region 30 Degas. Credit: ESA/Gaia/DPAC.

The Large Magellanic Cloud: Star mapping changes our view of a nearby galaxy

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The European Space Agency's Gaia satellite creates a precise radiation map of the Large Magellanic Cloud, showing the massive stars and prominent star-forming regions
extraterrestrials Illustration: depositphotos.com

First Contact: Simulating an Intelligent Extraterrestrial Message to Earth

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A new project called Signal in Space simulates how Earth will respond to a signal from aliens and invites the public to help decode an extraterrestrial message (roughly)

Early evidence for extrasolar planets in century-old photographic plates

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From left to right: astronomical photons are emitted from the star, pass through the lens and reach an amplifier containing atoms. An atom hit by an astronomical photon in response emits a large amount of forced photons (in green), which hit the telescope detector and "report" with high precision the direction of impact of the original (astronomical) photon. Most of the spontaneous photons (in red) scatter to the sides and are not absorbed by the detector; Therefore, the noise is low and the separation is not significantly impaired.

A method developed in collaboration with researchers at the Technion is expected to bring about a dramatic improvement in the separation ability of telescopes

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The Cancer Nebula as photographed by the Hubble Space Telescope in 2005

Why is it not possible to photograph distant celestial objects from Earth, and for this purpose telescopes must be sent into space?

Contact Lenses. Photo: shutterstock

Telescope inside the eye - a contact lens will enlarge the image for macular degeneration patients

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

The International Year of Astronomy has begun

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

The largest telescope array in the world

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