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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

Funpost! Space beer face-off

Jason Davis • May 31, 2018 • 2

Please Funpost! responsibly.

Funpost! Audio diaries from simulated Mars

Jason Davis • May 24, 2018 • 4

The Habitat is a new podcast about a year-long HI-SEAS mission in Hawaii.

Funpost! We both began to giggle like school children

Jason Davis • May 17, 2018 • 1

NASA astronaut Scott Tingle describes his first rocket launch.

Funpost! Someone is stealing the Enterprise

Jason Davis • May 10, 2018 • 6

An appreciation for a scene from Star Trek III: The Search for Spock.

Funpost! Let's listen to some Russian space jams

Jason Davis • May 03, 2018 • 3

Two ISS cosmonauts remind us that feelin' it is not a crime.

Funpost! I do solemnly swear

Jason Davis • April 26, 2018 • 3

A far-from-comprehensive look at the oath of office.

Funpost! Can you name a space vehicle for each letter of the alphabet?

Jason Davis • April 19, 2018 • 2

There are NASA choices for all letters except Y and Z; for those two, you'll need to go international.

Funpost! A funny thing happened on the way to the Moon

Jason Davis • April 12, 2018 • 1

A few ripping good yarns from 1969. And a truly terrifying cartoon.

Funpost! A milk commercial in space

Jason Davis • April 05, 2018 • 8

That time the Russians filmed a milk commercial aboard the Mir space station.

Thursday Funpost! Excerpts from the new book Rocket Billionaires

Jason Davis • March 29, 2018 • 5

Did you know NASA required SpaceX to carry life insurance for Elon Musk?

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