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All Posts Tagged

red dwarfs

Phil Plait Bad Astronomy Art Proxima D

A third possible planet for Proxima Centauri, the closest star to the Sun!

New planet would be small and hot.
By Phil Plait | 
6 months ago
Artwork showing a gas giant planet orbiting a red dwarf. Credit: NASA, ESA, and G. Bacon

Rare beast: An eccentric Neptunish exoplanet orbits a nearby red dwarf star

Big planets around tiny stars are very uncommon.
By Phil Plait | 
6 months ago
Artwork depicting a hot exoplanet orbiting a red dwarf star. Credit: University of Warwick/Mark Garlick

Big baby planet found orbiting small baby star. Here's why that's a problem.

Small stars should have small planets.
By Phil Plait | 
7 months ago
Ultrahot Rocky Exoplanet

A superhot superdense superfast mini-Earth… and it's practically next door

An iron exoplanet skims its star's surface.
By Phil Plait | 
8 months ago
Artwork depicting a planet and star interacting magnetically, creating an aurora on the star. Credit: Danielle Futselaar (artsource.nl)

Astronomers find 17 red dwarf stars that may have aurorae triggered by orbiting Earth-sized planets

By Phil Plait | 
10 months ago
Artwork of a red dwarf in a binary system undergoing a flare. Credit: NASA's Goddard Space Flight Center/S. Wiessinger

Good news: Immensely powerful red dwarf superflares may not sterilize their planets

By Phil Plait | 
1 year ago
Artwork depicting a potentially habitable planet orbiting the nearby red dwarf star TRAPPIST-1. Credit: ESO / M. Kornmesser

The Red Sky Paradox: Why do we orbit a star like the Sun instead of a red dwarf?

By Phil Plait | 
1 year ago
Artwork depicting a rocky super-Earth planet orbiting closely to its host star. This one has a thin atmosphere, which can be examined from Earth as the planet transits its star. Credit: NASA, ESA, and R. Hurt (IPAC/Caltech)

A second wind – literally – for a scorching hot super-Earth

By Phil Plait | 
1 year ago
Artwork depicting a hot exoplanet orbiting a red dwarf star. Credit: University of Warwick/Mark Garlick

A new nearby super-Earth’s atmospheric secrets may soon be revealed

By Phil Plait | 
1 year ago
Artwork depicting a flare from a red dwarf stripping away a planet’s atmosphere. Credit:  NASA/CXC/M. Weiss

Planets around old red dwarfs may still get blowtorched by flares

By Phil Plait | 
1 year ago
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