8
answers
1
watching
213
views
dndjdj383Lv1
27 Sep 2022
How do astronomers know that dark matter exists?
A Because it emits electromagnetic radiation
B Because it can be directly observed
C Because its gravity affects the motion of objects around it
How do astronomers know that dark matter exists?
A Because it emits electromagnetic radiation
B Because it can be directly observed
C Because its gravity affects the motion of objects around it
10 Feb 2023
Already have an account? Log in
18 Dec 2022
Already have an account? Log in
experttutorLv10
26 Nov 2022
Already have an account? Log in
10 Oct 2022
Already have an account? Log in
Read by 1 person
Read by 1 person
cmwilson0109Lv1
27 Sep 2022
Already have an account? Log in
