1. Skip to content
  2. Skip to main menu
  3. Skip to more DW sites
In focus
Los Angeles wildfiresClimate changeGerman election 2025
Latest audioLatest videos
Live TV
ScienceGlobal issues

Why is the exosphere hotter than outer space?

May 4, 2023

This week’s question comes from Amir Halep in Bosnia and Herzegovina.

https://p.dw.com/p/4Qgbb
Skip next section Similar stories from Global issues

Similar stories from Global issues

An astronaut floats above a blue planet Earth

How do astronauts carry out spacewalks?

Astronauts can only survive in space wearing special suits, with a rucksack supplying breathable air.
ScienceJuly 6, 202403:13 min
PZUD Maurer | Projekt Zukunft

Life after weightlessness

Astronaut Matthias Maurer tells DW what impact his six month trip to space had on his body.
ScienceAugust 19, 202207:20 min
An illustration of an interacting binary star: One is bright an sun-like (pictured R), the other is white and cloud-like (pictured center L)

Astronomers anticipate rare cosmic event

A nova popularly known as the "Blaze Star" is about to light up the night sky.
ScienceJuly 29, 202402:22 min
Show more
Skip next section More on Science from around the world

More on Science from around the world

DW Tomorrow Today Sendungslogo Composite

Tomorrow Today — The Science Show

Mapping and monitoring coral reefs; miracle marine worms; organ donation and the gift of life; racism in medicine.
ScienceJanuary 5, 202526:04 min
DW Projekt Zukunft Sendungslogo Englisch (Tomorrow Today)

Tomorrow Today — The Science Show

Major spacefaring nations are planning missions to the Moon in the relatively near future. There’s a lot to be learned.
ScienceDecember 21, 202426:05 min
Tomorrow Today/Projekt Zukunft | Zuschauerfrage Astronaut

How do you become an astronaut?

This Tomorrow Today viewer question comes from Aya S. in Egypt.
ScienceDecember 20, 202402:36 min
Show more