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Feature: Exoplanets

2 March 2020

Your Guide to Exoplanets

Learn why and how we study exoplanets, and how you can get involved.

2 March 2020

Our Exoplanets Research

Scientists are searching for 100 Earth-like planets around other stars, and you can help.

Swapna Krishna ● 12 March 2020

What is the Habitable Zone?

The habitable zone is the not-too-hot, not-too-cold region around a star where liquid water can exist.

Emily Lakdawalla ● 2 March 2020

The Different Kinds of Exoplanets
You Meet in the Milky Way

Lava worlds. Hot Jupiters. Earth 2.0 candidates. Here's a rundown of some notable exoplanets.

Emily Lakdawalla & Staff ● 2 March 2020

How to Search for Exoplanets

Some methods almost sound like science fiction: Using gravity as a magnifying glass, watching stars wobble at turtle-like speeds, and searching for tiny dips in starlight.

2 March 2020

Your guide to WFIRST

WFIRST, NASA's Wide Field Infrared Survey Telescope, is the next step in our hunt for Earth-sized exoplanets.

Blogs & Articles

After Weather Cooperates, Atlas Rocket Launches Cygnus Cargo Craft to ISS

Jason Davis • December 06, 2015

It took four tries for the weather to cooperate, but on Sunday afternoon, a Cygnus cargo spacecraft loaded with 3.3 metric tons of critical crew supplies launched toward the International Space Station.

Live from Sagamihara: Akatsuki Orbit Insertion - Second Try

Sanjay Limaye • December 06, 2015 • 1

Venus researcher Sanjay Limaye reports from the Institute of Space and Astronautical Science (ISAS) in Sagamihara on the status of Akatsuki's second Venus orbit insertion attempt.

Timeline for Akatsuki's second attempt at orbit insertion

Emily Lakdawalla • December 04, 2015 • 5

This is it: Akatsuki's final chance at Venus orbit insertion. The rocket firing should begin on December 7 at 08:51 Japan time (December 6 23:51 UT / 15:51 PST) and last for 20 minutes. It will take two days for JAXA to determine whether the orbit has been changed enough for Akatsuki to stay at Venus.

Bad Weather Fizzles Cygnus Launch Attempt (Again)

Jason Davis • December 04, 2015

A second launch attempt of a Cygnus cargo spacecraft bound for the ISS was scrubbed this evening, forcing ground controllers to schedule a third try Saturday at at 5:10 p.m. EST (22:10 UTC).

Back from the Brink: Akatsuki Returns to Venus

Ralph Lorenz • December 04, 2015 • 2

Perhaps forgotten by the general public in the West, a long-lost spacecraft is set to enter orbit around our sister planet in December, picking up where ESA’s Venus Express left off when its operations ended last year.

Dawn Journal: Descent to LAMO

Marc Rayman • December 02, 2015 • 12

Dawn's Chief Engineer and Mission Director Marc Rayman previews what's in store as the spacecraft moves into its final mapping orbit around dwarf planet Ceres.

Preview: Cygnus to Resume ISS Cargo Runs with Help from Atlas V Rocket

Jason Davis • December 02, 2015

Orbital ATK is returning its Cygnus cargo spacecraft to service on Thursday. This time, the ride to orbit will be a United Launch Alliance Atlas V rocket.

Hayabusa2 views Earth and the Moon on approach to December 3 flyby

Emily Lakdawalla • December 01, 2015 • 1

I just love photos of Earth from planetary missions -- especially if they manage to get Earth and Moon in the same shot, as Hayabusa2 did on November 26.

Orion Service Module Faces Roller Coaster of a Ride in Sandusky

Jason Davis • December 01, 2015

The Orion European Service Module test article has arrived at NASA Glenn Research Center's Plum Brook Station in Sandusky, Ohio, where it's being prepared for acoustic and vibration testing.

Fall 2015 issue of The Planetary Report is Here!

Donna Stevens • November 30, 2015

At last! The fall issue of The Planetary Report is off the press—or ready for Planetary Society members to download now.

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