Terminal 3. conda/mamba env export

(astropy) $ conda env export >environment.yaml
(astropy) $ 

(astropy) $ cat environment.yaml
name: astropy
channels:
  - defaults
dependencies:
  - _libgcc_mutex=0.1=main
  - astropy=4.2.1=py39h6323ea4_1
  - blas=1.0=mkl
  - ca-certificates=2021.5.25=h06a4308_1
  - certifi=2021.5.30=py39h06a4308_0
  - intel-openmp=2021.2.0=h06a4308_610
  - ld_impl_linux-64=2.33.1=h53a641e_7
  - libffi=3.3=he6710b0_2
  - libgcc-ng=9.1.0=hdf63c60_0
  - libstdcxx-ng=9.1.0=hdf63c60_0
  - mkl=2021.2.0=h06a4308_296
  - mkl-service=2.3.0=py39h27cfd23_1
  - mkl_fft=1.3.0=py39h42c9631_2
  - mkl_random=1.2.1=py39ha9443f7_2
  - ncurses=6.2=he6710b0_1
  - numpy=1.20.2=py39h2d18471_0
  - numpy-base=1.20.2=py39hfae3a4d_0
  - openssl=1.1.1k=h27cfd23_0
  - pip=21.1.1=py39h06a4308_0
  - pyerfa=2.0.0=py39h27cfd23_0
  - python=3.9.5=hdb3f193_3
  - readline=8.1=h27cfd23_0
  - setuptools=52.0.0=py39h06a4308_0
  - six=1.15.0=py39h06a4308_0
  - sqlite=3.35.4=hdfb4753_0
  - tk=8.6.10=hbc83047_0
  - tzdata=2020f=h52ac0ba_0
  - wheel=0.36.2=pyhd3eb1b0_0
  - xz=5.2.5=h7b6447c_0
  - zlib=1.2.11=h7b6447c_3
prefix: /group/pawsey0001/mdelapierre/PSS/conda-test/miniconda3/envs/astropy

# Equivalent with mamba

(astropy) $ mamba env export >environment.yaml
(astropy) $ 

(astropy) $ cat environment.yaml
name: astropy
channels:
  - defaults
dependencies:
  - _libgcc_mutex=0.1=main
  - astropy=4.2.1=py39h6323ea4_1
  - blas=1.0=mkl
  - ca-certificates=2021.5.25=h06a4308_1
  - certifi=2021.5.30=py39h06a4308_0
  - intel-openmp=2021.2.0=h06a4308_610
  - ld_impl_linux-64=2.33.1=h53a641e_7
  - libffi=3.3=he6710b0_2
  - libgcc-ng=9.1.0=hdf63c60_0
  - libstdcxx-ng=9.1.0=hdf63c60_0
  - mkl=2021.2.0=h06a4308_296
  - mkl-service=2.3.0=py39h27cfd23_1
  - mkl_fft=1.3.0=py39h42c9631_2
  - mkl_random=1.2.1=py39ha9443f7_2
  - ncurses=6.2=he6710b0_1
  - numpy=1.20.2=py39h2d18471_0
  - numpy-base=1.20.2=py39hfae3a4d_0
  - openssl=1.1.1k=h27cfd23_0
  - pip=21.1.1=py39h06a4308_0
  - pyerfa=2.0.0=py39h27cfd23_0
  - python=3.9.5=hdb3f193_3
  - readline=8.1=h27cfd23_0
  - setuptools=52.0.0=py39h06a4308_0
  - six=1.15.0=py39h06a4308_0
  - sqlite=3.35.4=hdfb4753_0
  - tk=8.6.10=hbc83047_0
  - tzdata=2020f=h52ac0ba_0
  - wheel=0.36.2=pyhd3eb1b0_0
  - xz=5.2.5=h7b6447c_0
  - zlib=1.2.11=h7b6447c_3
prefix: /group/pawsey0001/mdelapierre/PSS/mamba-test/mamba/envs/astropy
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