HOW TO BUILD A MULTIVERSE

WELCOME

Issue 123

Worth the wait

29 SEPTEMBER 2021

All is not quite as it seems

27 SEPTEMBER 2021

One for the family album

20 SEPTEMBER 2021

PERSEVERANCE CONFIRMS EXISTENCE OF ANCIENT MARS LAKE AND RIVER DELTA

It’s long been thought that Mars was wet

BLUE ORIGIN LAUNCHES WILLIAM SHATNER AND CREW OF THREE TO THE FINAL FRONTIER

An image taken from above the launch ©

NOBEL PRIZE WINNER SHAPED GROUNDBREAKING EARTH-OBSERVING MISSION

This year’s Nobel Prize in Physics laureate Klaus

NASA IS READY TO TAKE ON THE WORLD WITH ITS NEW CLIMATE ACTION PLAN

YOUR FIRST CONTACT WITH THE UNIVERSE

MOON ROCKS BROUGHT TO EARTH BY CHINESE MISSION FILL KEY GAPS IN HISTORY

The new rocks point to younger lava

THE OLDEST GAMMA-RAY BURST EVER DISCOVERED WAS JUST A PIECE OF SPACE JUNK

The signal was mistakenly attributed to a

12 EARTH CRATERS

EARTH-SHATTERING SIGHTS YOU CAN VISIT IN PERSON OR FROM THE COMFORT OF YOUR HOME

SPACECRAFT MAGNETOSPHERES

For humans to spread out across the Solar System, we need practical protection from solar and cosmic radiation on long voyages

“IT’S A WONDERFUL, DYNAMIC PROCESS OF HUMAN DISCOVERY”

All About Space speaks with Brian Greene to discuss how our understanding of the universe around us is always evolving

ANCIENT MARS WAS ROCKED BY VIOLENT, CLIMATE-CHANGING VOLCANIC ERUPTIONS

Supereruptions regularly tore up the surface of the Red Planet billions of years ago

THE LIFE OF A BRILLIANT PHYSICIST

Einstein’s theories changed the way we think about the universe

BLUFFER’S GUIDE TO EINSTEIN’S THEORIES OF GENERAL AND SPECIAL RELATIVITY

© Getty WHEN DID EINSTEIN MAKE A BREAKTHROUGH?

Five things Einstein’s theories correctly predicted

© NASA GRAVITATIONAL WAVES Einstein’s general theory of

MYSTERY OF EMPTY-SKY BURSTS CRACKED

Scientists finally have an explanation for the most energetic explosions in the universe

ARE WE CLOSER TO REVEALING THE SECRETS OF PLANET FORMATION?

Data gathered by a host of radio dishes perched high in the Chilean desert teases apart the mysteries of how worlds form

DO PARALLEL UNIVERSES EXIST?

Science fiction loves a good multiverse story. But could we really be in one?

Welcome to the multiverse

1 Big Crunch Universes that fall back on

WHAT HAPPENS IN OTHER UNIVERSES?

Physicists have contemplated different levels of multiverse

2021’S GIANT OZONE HOLE LIKELY DUE TO CLIMATE CHANGE

The new Antarctic ozone hole is still growing in size

OUR MISSIONS TO THE MOON

HOW SPACECRAFT HAVE HELPED US PAVE THE WAY IN EXPLORING OUR NEAREST NEIGHBOUR

UNITED ARAB EMIRATES TO LAUNCH ASTEROID MISSION IN 2028

After the success of Hope, a new craft will explore targets in the asteroid belt

ASK Space

Our experts answer your questions

BEGINNER’S GUIDE TO STARGAZING WITH BINOCULARS

GET A NEW PERSPECTIVE OF THE JEWELS OF THE NIGHT SKY BY OBSERVING WITH BINOCULARS

WHAT CAN WE DO WITH A CAPTURED ASTEROID?

Asteroids could provide us with rare resources

DOES OUR MILKY WAY HAVE ANOTHER ARM?

ASTRONOMERS IN CHINA HAVE OBSERVED A LARGE FILAMENT OF GAS AND DUST AT THE OUTER EDGE OF OUR GALAXY, BUT WHAT MIGHT IT BE?

WHAT’S IN THE SKY?

“AN OBJECT’S MAGNITUDE TELLS YOU HOW BRIGHT IT

THIS MONTH’S PLANETS

Mercury takes pride of place in the dawn sky from November, but take care observing it as we head into December

MARE CRISIUM (SEA OF CRISES)

Find a huge impact basin on the Moon, even without a telescope

NAKED EYE & BINOCULAR TARGETS

Glittering giants and spectacular star clusters are easy finds in the night sky

TOUR BEYOND THE ORION NEBULA

Track down some of winter’s lesser known wonders on the next clear and chilly night

THE NORTHERN HEMISPHERE

The constellations of autumn are slowly being pushed from our night skies by those of winter

Astroshots of the month

Get featured in All About Space by sending your astrophotography images to space@spaceanswers.com

STARLIGHT APP

A great stargazing app for learning the basics, but it doesn’t offer much depth beyond what you’ll find with a simple Google search

IN THE SHOPS

The latest books, apps, software, tech and accessories for space and astronomy fans

PERCIVAL LOWELL

Lowell’s attraction to Mars led him into a love affair with worlds beyond our own