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Astronomy Jan 9, 2024

Secrets of a hot Saturn and its spotted star unlocked

A team of astronomers including McGill Professor Nicolas Cowan has unraveled the enigmatic atmosphere of the exoplanet HAT-P-18 b, shedding light on its intriguing blend of gases, clouds, and even the effects of its star's ...

Astronomy Dec 30, 2023

Want to get into stargazing? A professional astronomer explains where to start

There are few things more peaceful and relaxing than a night under the stars. Through the holidays, many people head away from the bright city lights to go camping. They revel in the dark skies, spangled with myriad stars.

Astronomy Dec 21, 2023

NASA's Hubble watches 'spoke season' on Saturn

Though Saturn's unusual-looking "cup handle" features were first noted by Galileo in 1610, it would be another 45 years before they were described by Christiaan Huygens as a disk surrounding Saturn. Subsequently, ground-based ...

Planetary Sciences Dec 18, 2023

Weather in the solar system can teach us about weather on exoplanets

The way astronomers study planets in our own solar system is surprisingly similar to the way they study exoplanets, despite the latter being orders of magnitude more distant. The key is spectroscopy—examining the wavelengths ...

Astrobiology Dec 14, 2023

NASA study finds life-sparking energy source and molecule at Enceladus

A study zooms in on data that NASA's Cassini gathered at Saturn's icy moon and finds evidence of a key ingredient for life and a supercharged source of energy to fuel it.

Astrobiology Dec 5, 2023

Saturn's icy moon may hold the building blocks of life

As astrophysics technology and research continue to advance, one question persists: is there life elsewhere in the universe? The Milky Way galaxy alone has hundreds of billions of celestial bodies, but scientists often look ...

Planetary Sciences Nov 14, 2023

Using eclipses to calculate the transparency of Saturn's rings

A Lancaster University Ph.D. student has measured the optical depth of Saturn's rings using a new method based on how much sunlight reached the Cassini spacecraft while it was in the shadow of the rings.

Planetary Sciences Nov 10, 2023

Will Saturn's rings really 'disappear' by 2025? An astronomer explains

If you can get your hands on a telescope, there are few sights more spectacular than the magnificent ringed planet—Saturn.

Planetary Sciences Nov 6, 2023

TESS discovers Saturn-like planet orbiting an M-dwarf star

Astronomers have discovered a new giant exoplanet orbiting an M-dwarf star using NASA's Transiting Exoplanet Survey Satellite (TESS). The newly detected alien world, designated TOI-5344 b is similar in size and mass to Saturn. ...

Planetary Sciences Sep 27, 2023

New simulations shed light on origins of Saturn's rings and icy moons

A new series of supercomputer simulations has offered an answer to the mystery of the origins of Saturn's rings—one that involves a massive collision in the recent history of the 4.5 billion-year-old solar system.

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