Why does Ice Float in Water
As you can see from the diagram below; Ice molecules are loosely packed compare to water. Ice is 9% less dense than water. Ice is the solid state of water, […]
Author Archives: Valerie Njee
How to launch Paint App and Crop images
What you need: Computer Printer How to launch Paint App on your computer: Click the Window Search Icon on the lower left hand side (LHS). How to Paste and Crop […]
NASA’S Perseverance Rover in Mars
NASA’s Perseverance rover is well into its second science campaign, collecting rock-core samples from features within an area long considered by scientists to be a top prospect for finding signs of […]
Oceans and Seas
Here are listings of the largest oceans in the world. The pacific ocean is the largest, covering 64,185,714 sq.ft. surface area and deepest at one point called the Mariana Trench which […]
Hypersonic Plane From Venus Aerospace Will Travel to the Edge of Space — Gizmodo Australia
Earlier this week, Venus Aerospace, a Houston-based aeronautics startup, released renderings for Stargazer — an incredibly fast high-altitude vehicle it’s hoping to develop. Venus Aerospace has been working on the […]
MARS – a dusty, cold, desert world with a very thin atmosphere
Mars is the fourth planet from the Sun – a dusty, cold, desert world with a very thin atmosphere. Mars is also a dynamic planet with seasons, polar ice caps, […]
The little Mars Helicopter That Could . . .
Ingenuity has made nine flights on Mars! Flight 9, which occurred in July 2021, was unlike the flights that came before it. It broke our records for flight duration and […]
The SpaceX crew dragon spaceship
With its sleek design and growing reputation, anticipation for the first launch of SpaceX’s Crew Dragon spaceship with astronauts on board continues to build. Crew Dragon is a passenger version of the […]
How to calculate Stellar Parallax
How to calculate the Stellar distance For the star in Figure 1, the parallax angle – P is half the distance moved by the star between photos. parallax angle – P The […]
Projection of Solar Eclipse Using a Simple Experiment
Projecting the Sun Avoid looking directly at the Sun without proper eye protection. You can seriously hurt your eyes and even experience instant bright light blindness. Projecting the Sun through […]
AEROSPACE and ASTRONAUTICS 