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The Downlink

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More Issues

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

The Next 10 Years

The Planetary Report • March Equinox 2020

Six scientists share the major planetary science discoveries of the past decade, and the questions that will drive the next 10 years of solar system exploration.

The Downlink: Mars Rover Unpacked in Florida, New Data from Search for Life

The Planetary Society • February 21, 2020 • 1

Planetary exploration news for busy people

The Downlink: Crew Dragon Completes Crucial Test, More Mars Mole Problems

Jason Davis • January 24, 2020 • 3

Planetary exploration news for busy people

The Downlink: OSIRIS-REx Sample Site Picked, Easy-Access Water Ice on Mars

Jason Davis • December 13, 2019 • 1

Planetary exploration news for busy people

The Downlink: ExoMars Rover Testing, Bennu's Mysterious Particle Ejections

Jason Davis • December 06, 2019

Planetary exploration news for busy people

The Downlink: NASA Works to Save Mars Experiment, Saturn Gets 20 New Moons

Jason Davis • October 11, 2019 • 3

Planetary exploration news for busy people

OSIRIS-REx Team Picks 4 Candidate Sample Sites on Asteroid Bennu

Jason Davis • August 15, 2019 • 1

The sites each have unique characteristics that would advance the field of asteroid science.

OSIRIS-REx Sets Low-Orbit Record, Enters New Orbital B Mission Phase

Emily Lakdawalla • June 19, 2019 • 1

Last week, NASA’s OSIRIS-REx asteroid sample-return mission announced that they had achieved an orbit above asteroid Bennu with an altitude of only 680 meters. Now they are surveying for landing sites and have invited the public's help.

Here's a Roundup of Recent OSIRIS-REx Postcards from Bennu

Jason Davis • May 15, 2019 • 2

NASA's OSIRIS-REx spacecraft is currently sweeping arcs between the asteroid's north and south poles.

OSIRIS-REx sees Bennu spewing stuff into space

Jason Davis • March 19, 2019 • 1

The asteroid's rotation rate is also increasing, and scientists continue refining the plan to collect a regolith sample next year.

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