Prøve GULL - Gratis
COULD AN ASTEROID IMPACT EVER CHANGE EARTH'S ORBIT?
BBC Science Focus
|July 2023
Theoretically, any two objects colliding with each other will involve a transfer of momentum that alters their trajectories. So, even a micrometeorite, weighing less than a gram, could result in an imperceptible change in Earth's orbit around the Sun. However, things are not quite that simple.
-
Generally, the larger the impacting object the larger the effect of its impact. But the effect depends on many things, for example: the density and tensile strength of the impactor; the geology of the impact point; and the angle and velocity of the impact.
Denne historien er fra July 2023-utgaven av BBC Science Focus.
Abonner på Magzter GOLD for å få tilgang til tusenvis av kuraterte premiumhistorier og over 9000 magasiner og aviser.
Allerede abonnent? Logg på
FLERE HISTORIER FRA BBC Science Focus
BBC Science Focus
HOW DO I KNOW WHEN TO LET GO OF PAST GOALS OR DREAMS?
Many of us harbour deep ambitions that are an essential part of how we see ourselves - perhaps you fantasised about becoming a successful novelist or professional athlete, or to settle down and start a family.
1 min
Summer 2025
BBC Science Focus
HOTTER THAN THE SURFACE OF A STAR
KELT-9 b
1 min
Summer 2025
BBC Science Focus
These are the worst ChatGPT prompts for the environment, study claims
Politeness perhaps does have a cost, as far as the planet's concerned
1 mins
Summer 2025
BBC Science Focus
HOW SHOULD YOU TALK TO SOMEONE WHO HAS JUST LOST A LOVED ONE?
Suffering a bereavement is one of the hardest experiences anyone can go through in life. Receiving love and support from others can make a huge difference, so it's wonderful that you want to be there for someone who's grieving and that you're thinking carefully about how to help them.
2 mins
Summer 2025
BBC Science Focus
Mysterious 'surge' under Earth's crust could reshape world map, study claims
The pulsing will eventually rip Africa apart and create a new ocean
2 mins
Summer 2025
BBC Science Focus
Our meat could soon be gene-edited. Should we be worried?
Genetically edited pork could be on the market within a year. Here's what you need to know
5 mins
Summer 2025
BBC Science Focus
Mysterious 'surge' under Earth's crust could reshape world map, study claims
The pulsing will eventually rip Africa apart and create a new ocean
2 mins
Summer 2025
BBC Science Focus
EYES ON THE PRIZE
A strange visual trick can speed up learning and boost performance
3 mins
Summer 2025
BBC Science Focus
Can you live longer by eating less?
From fasting to low-protein diets, the evolving science of dietary restriction might just offer the key to slowing ageing
6 mins
Summer 2025
BBC Science Focus
6 SCIENCE-BACKED WAYS TO IMPROVE YOUR MEMORY
Forgetfulness doesn't have to be an inevitable part of life. Like going to the gym to stay fit, there are habits you can adopt to keep your memory sharp
8 mins
Summer 2025
Translate
Change font size