Skip to main content
Life, Unbounded

Life, Unbounded

Discussion and news about planets, exoplanets, and astrobiology

The Biggest Cosmological Problem Is…

The Biggest Cosmological Problem Is…

…living in a place that makes doing cosmology hard. Let’s backtrack a little. Unless you’ve been living under a particularly thick and insulating rock you’ll know that in recent months the world of experimental cosmology (what would have previously been called observational cosmology, or just plain old astronomy) has been on tenterhooks waiting to see [...]

September 22, 2014 — Caleb A. Scharf

Interstellar Space Can Be Pebbly

We’re used to thinking of the space between the stars as void, bereft of all but the most sparsely distributed atoms and molecules, or the occasional microscopic grain of silicon or carbon dust.

August 29, 2014 — Caleb A. Scharf

The Great Alien Debate (Part 1)

This post is one in a series covering, and expanding on, topics in the book The Copernicus Complex (Scientific American/FSG).           The conversation usually goes like this: Do you think we’re alone in the universe?

August 26, 2014 — Caleb A. Scharf

New Horizons Mission Catches Pluto And Charon Waltzing

After a ten year journey, NASA’s New Horizons mission is still 420 million kilometers from the Pluto system – but that’s close enough to begin to see the orbital dance of an icy world and its major moon.

August 8, 2014 — Caleb A. Scharf

The Copernicus Complex: A Primer

In a month’s time, the end result of two-and-a-half years of research, thinking, writing, re-writing, re-re-writing, editing, mulling, puzzling, coffee-drinking, beer-swilling, swearing, and tweaking will hit the shelves in the form of my new book The Copernicus Complex.

August 5, 2014 — Caleb A. Scharf
Summer Shorts: A Record 25 Miles On Mars

Summer Shorts: A Record 25 Miles On Mars

It's summer in the northern hemisphere of a small, damp, planet orbiting a middle-aged star in a spiral galaxy of matter enjoying a brief heyday before colliding with another galaxy in some 4 billion orbits of the same small, damp, planet.

July 31, 2014 — Caleb A. Scharf

Summer Shorts: 101 Geysers Point To Enceladus’ Deep Ocean

It's summer in the northern hemisphere of a small, damp, planet orbiting a middle-aged star in a spiral galaxy of matter enjoying a brief heyday before colliding with another galaxy in some 4 billion orbits of the same small, damp, planet.

July 29, 2014 — Caleb A. Scharf
Summer Shorts: A Cometary Rubber Duck

Summer Shorts: A Cometary Rubber Duck

It’s summer in the northern hemisphere of a small, damp, planet orbiting a middle-aged star in a spiral galaxy of matter enjoying a brief heyday before colliding with another galaxy in some 4 billion orbits of the same small, damp, planet.

July 27, 2014 — Caleb A. Scharf

Sneaking up on a Sweaty Comet

Over the coming month the European Space Agency’s (ESA) Rosetta mission will fire its main engines no less than eight times to tweak its interplanetary intercept course with Comet Churyumov-Gerasimenko; eventually sidling up to the 4 kilometer wide cometary nucleus at about 7.9 meters per second in early August.

June 30, 2014 — Caleb A. Scharf
The Photons Of Your Life

The Photons Of Your Life

An unusual question raises an intriguing idea. At a party a few nights ago a friend approached me with a dilemma. A relative of theirs had died, and the spouse was trying to understand if it was at all possible that there was still ‘something’ of their partner in existence; a tangible part of their [...]

June 16, 2014 — Caleb A. Scharf

Blog Index

Life, UnboundedDiscussion and news about planets, exoplanets, and astrobiology

Beyond XX and XY

Biology. Identity. Equality.