Radial Velocity

Polaris is the Closest, Brightest Cepheid Variable. Very Recently, Something Changed.

A new study has revealed that Polaris' pulsating behavior may be caused by its binary companion, resolving a long-standing mystery…

7 months ago

Sci-Fi Christmas is Ruined! Planet Vulcan Doesn’t Exist

According to a new study, the exoplanet 40 Eridani b (aka. "Vulcan") was a false positive. Bad news for Star…

1 year ago

Do Exoplanet Scientists Have Favorite Exoplanets?

Exoplanets have become quite the sensation over the last decade-plus, with scientists confirming new exoplanets on a regular basis thanks…

1 year ago

Keck's new Planet Hunter Instrument Comes Online, Searching for Smaller, More Earth-Sized Exoplanets

There’s a new planet hunter in town, and it’s got its sights set on nearby Earth-sized planets in the galactic…

1 year ago

Astronomers Find a Sun-like Star Orbiting a Nearby Black Hole

Using data from the Gaia Observatory, a team of astronomers has detected a Sun-like star that co-orbits with a dormant…

2 years ago

Astronomy Jargon 101: Doppler Shift

In this series we are exploring the weird and wonderful world of astronomy jargon! Watch out for today's topic: doppler…

3 years ago

The Power of the Wobble: Finding Exoplanets in the Shifting of Starlight

They say there's more than one way to skin an interstellar cat, and in astronomy there's more than one way…

5 years ago

Do Stars Move? Tracking Their Movements Across the Sky

The stars look static in the sky, but are they moving? How fast, and how do we know? What events…

7 years ago

Distance & Speed Of Sun’s Orbit Around Galactic Centre Measured

Using the initial data released by the Gaia observatory, a team of Canadian astrophysicists have produced refined estimates on the…

7 years ago

What Does “Earthlike” Even Mean & Should It Apply To Proxima Centauri b?

With so many exoplanet discoveries around distant (and neighboring) stars, it might be time to assess what terms like "Earth-like"…

8 years ago