Earth Systems

Since its 2009 launch, the Kepler satellite has discovered more than 2,000 exoplanets, or planets outside our solar system. More exoplanets are being discovered all the time, remarkable in their variety. Astronomer Michael Summers and physicist James Trefil explore these remarkable recent discoveries: planets revolving around pulsars, planets made of diamond, planets that are mostly water, and numerous rogue planets wandering through the emptiness of space.

The countdown has begun—and the Gate won’t wait. With four of five Ascension Pillars now active, the Obelisk charge hits 88%—and reality starts to unravel. Null Fog fractures spiral across the globe. Gravity glitches. Time stutters. Cross-Shard Synchronization is coming in 48 hours… and there’s no guarantee Earth survives it. Alec West—battle-scarred Nodebearer and reluctant leader of Bastion’s elite Team Alpha—must cross the Sahara Exclusion Zone to secure the final Pillar. But Harbinger champion Darius Kane is already there. And the Gate won’t open for both. What begins ...

The Beacon is broken. The Void is rising. And Alec West just hit Tier 4. After crossing the Ascension Gate, Alec awakens alone in the Continuum—a collapsing Nexus realm where biomes fracture, time loops glitch, and Obelisk protocols unravel. His party is scattered across the shards. His only ally? Rival Nodebearer Darius Kane. Survival means ascending to Tier 4, mastering Dimensional Affinity, and forging unlikely alliances among the wreckage of lost worlds. But something worse is hunting them. The Nullborn Prime—a sentient World Boss born of void and time—is tearing through Nexus ...

A dystopian science fiction epic set in the Alpha Centauri system during the 31st century.In the 31st century, Earth's most dangerous criminals, rebels, and zealots are exiled to New Australia, a remote planet in the Alpha Centauri system. Stripped of their rights and abandoned, these sixty individuals are forced to forge a new society from the harsh and unforgiving terrain. Over centuries, their descendants grow into a population of millions, maintaining the legacy of their thirty original family names. Vernon Jones 711 has always known the world as a place where science is abandoned, and ...

The end is here—and Alec West holds the fuse. After shattering the Ascension Gate and entering the Core World, Alec—now an Ascendant Warden—stands one irreversible choice away from saving Earth… or severing it forever. The Beacon’s heart is broken. The Void Dragon rules the skies. A one-minute countdown ticks across every reality shard. Worse, Harbinger champion Darius Kane wants the Beacon’s core—and the power to reshape existence—for himself. To stop the collapse, Alec must: Reunite his scattered party—Rina, Virgil, Cole, Mark, Eleanor, and Miranda—within a realm where...

Different kinds of rocks are found on Earth. Many are found deep inside Earth. Discover why rocks are an important part of nature!

The sun's family of planets become a familiar place in this personal account of the lives of other worlds. Sobel explores the planets' origins and oddities through the lens of popular culture, from astrology, mythology, and science fiction to art, music, poetry, biography, and history. This intimate account is filled with fascination, beauty, and surprise.

'The Kingdom of God on Earth through man--created in the image of God,' was and remains God's original purpose for Earth and man in it. Adam ruined the kingdom program at Eden through sin...; But God sent His Son, Christ, to earth to restore it. Only in and through the kingdom today can anyone attain or access the real and total provision and plan of God for him in his sojourn here on earth! Two Vehicles convey all men here now; and every one of us belongs in one of them. They are the Kingdom of God and the World System; and they are all heading to the destination of the Return of Christ. ...

Most of Earth is covered in water. Water falls from the sky as rain or snow. All living things need water to survive. Discover why water is an important part of nature!

Erosion changes Earth's natural features. It breaks down materials and can help make something new. Discover why erosion is an important part of nature!

All living things need air to survive. Air also protects Earth. Discover why air is an important part of nature!

The world of Azadia smolders in restless isolation, molten rivers splitting the earth, and curtains of ash dripping from a scarlet sky. The followers of Alrya - an empire that spans many worlds - believe Azadia to be the hell their faith condemns, but to Draden and his family, it is merely home. Once a feared warlord, Draden now wishes only to maintain a fragile peace in his corner of Azadia. But Draden's contentment ends swiftly when a Tear - a passageway between worlds - splits open in his kingdom, and a stranger comes tumbling through with the fury of Alrya licking at his heels. Draden ...

🌍 A bold vision. A soulful awakening. A global invitation. In a time of uncertainty, division, and planetary crisis, a new kind of identity is emerging—one rooted not in borders or beliefs, but in belonging to the Earth itself. Planetary Citizens: Awakening the Heart of Humanity is a powerful and timely call to rise into conscious participation with life, community, and the living planet. Written by transformational guide, podcast host, and movement builder Zen Benefiel, this groundbreaking book weaves personal awakening, global vision, and practical action into one coherent path ...

Soil covers most of the land on Earth. It feeds plants and is home to many animals. Discover why soil is an important part of nature!

Introducing "Mountain Majesty," an eye-opening and captivating eBook that will take you on a mesmerizing journey through Earth's most magnificent peaks and powerful ranges. Delve into 25 comprehensive chapters that explore the wonders of mountain ecosystems, their formation, and the unique flora and fauna that inhabit these awe-inspiring landscapes. Start your adventure with an introduction to the allure of mountains, examining the forces that have come together to create these majestic natural monuments. Enlighten yourself on the tectonic wonders and geological processes that give birth to...

The Alcazar station has been attacked! Project Ibex, under the command of former teammate Irene has begun cutting a bloody path throughout the galaxy, delivering a single message. Humanity has arrived! From Tachyon to Boron and beyond Hrafn squad will pursue the Veles across the galaxy. Alliances will be forged; enemies will be made and the thin red line between hero and villain will be towed in the name of peace.

Learn all about our solar system through a fantastic adventure in this audiobook.

Start a peaceful revolution by planting an edible ecosystem and sharing the experience with your neighbors. Humans have always thrived in rich, diverse, edible ecosystems. Yet most cities and suburbs are blanketed by lawns, ornamentals, and a lack of biodiversity, let alone anything edible. It is within these sterile landscapes that seeds of an edible ecosystem lie. The Edible Ecosystem Solution is a comprehensive, practical guidebook that looks at underutilized spaces to reveal the many opportunities for landscape transformation.

Delve deeper into the intricate workings of Earth's land-based ecosystems with Dynamics of Terrestrial Ecosystems, the second installment in The Earth's Web series. This volume unravels the complex interactions and processes that shape the balance of life on land, from the water and nutrient cycles to the competition and cooperation that define species relationships.

The Retribution’s race to save L6 is almost overFirst Officer Johnson has used every scarp of math and heart she has in one desperate attempt to save L6 only to watch helpless as Night Sprinter destroys the first gravity mine. Now with the death of hundreds on her hands Charlie faces more than her conscious. Buy your copy today!