Search results for Planet Mercury

Planetary Sciences Jun 16, 2023

How to see 5 planets line up in the sky on Saturday morning

Wake up early this weekend to catch a celestial sight: Five planets will line up in the sky before sunrise on Saturday.

Astronomy Jun 15, 2023

There could still be a ninth planet in our solar system. Here's why

,We all used to think there were nine planets. But in 2006, the solar system was left with only eight planets, when Pluto was no longer classified as such. But is it still possible there is a planet out there beyond Neptune—possibly ...

Space Exploration Jun 14, 2023

BepiColombo braces for third Mercury flyby

The ESA/JAXA BepiColombo mission is gearing up for its next close flyby of Mercury on 19 June, when it will pass the planet's surface at an altitude of about 236 km.

Planetary Sciences Jun 14, 2023

Astronomers scrutinize scorching-hot exoplanet

An international team led by Stefan Pelletier, a Ph.D. student at Université de Montréal's Trottier Institute for Research on Exoplanets have made a detailed study of the extremely hot giant exoplanet WASP-76 b.

Astronomy Jun 5, 2023

What are meteorites? I visit and study the craters they've left across our planet

Tens of thousands of asteroids—that we know of—are roaming our solar system. These are building blocks made up of metal, silicates, and ice left over from the beginning of time when the planets (Mercury, Venus, Earth, ...

Planetary Sciences Jun 1, 2023

The case of the missing Jupiters: Gas giant planets are a no-show around small red stars

Astronomers have revealed that the smallest and most common kinds of stars in the universe, called red dwarfs, very rarely host big, Jupiter-like planets. This absence of Jupiter analogs could have major impacts on the development ...

Planetary Sciences May 29, 2023

One-third of galaxy's most common planets could be in habitable zone

Our familiar, warm, yellow sun is a relative rarity in the Milky Way. By far the most common stars are considerably smaller and cooler, sporting just half the mass of our sun at most. Billions of planets orbit these common ...

Astronomy May 23, 2023

Scientists make first observation of a polar cyclone on Uranus

Scientists used ground-based telescopes to get unprecedented views, thanks to the giant planet's position in its long orbit around the sun.

Environment May 17, 2023

A billion new air conditioners will save lives but cook the planet

Summer in India has always been hot. Increasingly, it's testing the limits of human survival. As temperatures have climbed across the world's most populous nation in recent weeks, more than a dozen people died at an event ...

Astronomy May 4, 2023

A new theory to explain the stability of the solar system

A trio of astrophysicists at Sorbonne Université has developed a new theory to help describe the stability of the solar system. In their paper published in the journal Physical Review X, Federico Mogavero, Nam Hoang and ...

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