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my published articles

giant planet found orbiting a white dwarf

potential biosignature found in Venus's clouds

giant planet found orbiting a white dwarf

image1

A Jupiter-size planet orbiting a white dwarf much smaller than itself gives insight to what a system might look like after its host star’s death.

race to venus: how we'll verify phosphine

potential biosignature found in Venus's clouds

giant planet found orbiting a white dwarf

image2

Confirming phosphine’s presence on Venus is difficult from Earth . . . and that makes a good case for a mission to our sister planet.

potential biosignature found in Venus's clouds

potential biosignature found in Venus's clouds

potential biosignature found in Venus's clouds

Venus and phosphine (shown in inset). ESO / M. Kornmesser / L. Calçada & NASA / JPL / Caltech

Astronomers might have found a potential indication of life in the clouds of Venus.

you can’t take the sky from me

you can’t take the sky from me

potential biosignature found in Venus's clouds

A stream of Starlink satellites passes over the CTIO in November of 2019. Credit: Clarae Martínez-Vá

Outer space is becoming the new Wild West. Astronomers will merely be the first to pay the price, as profit-seeking entities thoughtlessly overpopulate the heavens.

theseus: esa m5 finalist

you can’t take the sky from me

interview with David Grinspoon

An illustration of THESEUS (credit: ESA)

THESEUS is a space mission project aimed at detecting and characterizing gamma-ray bursts (GRBs) so as to investigate the early universe and advance multi-messenger and time-domain astrophysics.

interview with David Grinspoon

you can’t take the sky from me

interview with David Grinspoon

credit: funkyscience.net/about/

David Grinspoon s an American astrobiologist, science communicator, and senior scientist at the Planetary Science Institute. He is considered one of the top worldwide experts on the planet Venus.

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