What is the Big Bang theory?

Dr David Krofcheck is a particle physicist ...

Gravity keeps satellites in orbit

Dr Allan McInnes and Dr Adrian McDonald, from ...

Parts of a satellite

Dr Allan McInnes describes the major ...

Making a water bottle rocket

Geoff Searle, Head of Science at Shirley ...

Communicating with satellites

Kelvin Barnsdale explains how satellites use ...

Aerodynamics and drag

Dr Mark Jermy and PhD student Lindsey ...

Keeping satellites in orbit

Dr Allan McInnes tells us about forces acting ...

Parts of a feather

This diagram shows parts of a feather and ...

Planets, stars and the Solar System

Dr Melanie Johnston-Hollitt, from Victoria ...

What are satellites?

Dr Allan McInnes tells us what a satellite ...

Earth-Moon system and gravity

Any two masses are attracted towards each ...

Forward and opposing forces

Your forward force comes from pushing and ...

Detecting light in space

Dr Melanie Johnston-Hollitt, from Victoria ...

Moon phases

The phases of the moon relate to the amount ...

Wings with feathers

Dr Phil Battley, a senior lecturer at Massey ...

Forces affecting flight

Four main forces affect the flight abilities ...

Godwits – designed to fly

As with other flying birds, godwits have many ...

Receiving a satellite signal

Kelvin Barnsdale shows us a simple homemade ...

Vertical structure of the atmosphere ...

The line at 100 km above the Earth’s surface ...

Soaring and flapping

Birds can fly in various ways. The albatross ...

Ptolemaic model

Ptolemy’s model (geocentric) places the Earth ...

Flight path of E7

The godwit E7 was tracked by satellite ...

Lifecycle of the Sun

This diagram shows how our Sun will turn into ...

Taking wing

Planes and birds are both affected by the ...

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