Radial Velocity

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…

11 months 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…

4 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…

5 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…

5 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"…

6 years ago

ESO Announcement To Address Reports Of Proxima Centauri Exoplanet

This Wednesday, the ESO will be holding a press conference, and hopes are high that it will address the possible…

6 years ago

A Planet With A 27,000 Year Orbit & That’s Just Where The Strangeness Begins

In the far-flung system of CVSO 30, two planetary candidates have been found with very different orbits - presenting new…

6 years ago

250 Years of Planetary Detection in 60 Seconds

Early astronomers realized some of the "stars" in the sky were planets in our Solar System, and really, only then…

7 years ago

HARPS Tunes In On “Noisy” Planets

[/caption] Able to achieve an astounding precision of 0.97 m/s (3.5 km/h), with an effective precision of the order of…

11 years ago